#6497DA

Closest named color: Cornflower Blue (#6495ED). oklch(66.9% 0.114 255.7), rgb(100, 151, 218).

Aa

Black text reads best on this color (6.98:1).

About this color

#6497DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.114 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.030 away. Black text reads best on it, at 6.98:1.

Hue familyBlues
Lightnessmedium-light (67%)
Chromamoderately saturated (0.114)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text6.98:1
White text3.00:1

Values

HEX#6497DA
RGBrgb(100, 151, 218)
HSLhsl(214, 61%, 62%)
OKLCHoklch(66.9% 0.114 255.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #6497DA 3.00:1 AA large text Lc -62.0 Content text, not long reading
Black text on #6497DA 6.98:1 AA Lc 47.4 Large or bold text, headings
#6497DA text on white 3.00:1 AA large text Lc 56.6 Large or bold text, headings
#6497DA text on black 6.98:1 AA Lc -45.1 Large or bold text, headings

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F2F6FB

    oklch(97.2% 0.008 253.9)

  2. Step 100

    100

    #E3EBF5

    oklch(93.7% 0.016 253.9)

  3. Step 200

    200

    #CCDBEE

    oklch(88.6% 0.031 254.3)

  4. Step 300

    300

    #A9C3E5

    oklch(80.9% 0.056 255.2)

  5. Step 400

    400

    #7BA3D8

    oklch(70.7% 0.09 255.7)

  6. Step 500

    500 (this color)

    #6497DA

    oklch(66.9% 0.114 255.7)

  7. Step 600

    600

    #3E74BA

    oklch(55.6% 0.124 255.8)

  8. Step 700

    700

    #2F61A1

    oklch(49.1% 0.116 255.7)

  9. Step 800

    800

    #285082

    oklch(42.8% 0.095 255.1)

  10. Step 900

    900

    #254268

    oklch(37.6% 0.074 255.8)

  11. Step 950

    950

    #16273D

    oklch(27% 0.047 255.4)

Export this scale for Tailwind in the Tailwind colors tool

#6497DA with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#7C9BDD0.031
Deuteranopia (no green cones)#6D90D90.020
Tritanopia (no blue cones)#1BA6AF0.101
Achromatopsia (no color)#9595950.114

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #6497DA

    #6497DA

    oklch(66.9% 0.114 255.7)

  • #BD8A3A

    #BD8A3A

    oklch(66.8% 0.114 75.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6497DA

    #6497DA

    oklch(66.9% 0.114 255.7)

  • #2FA3CA

    #2FA3CA

    oklch(66.9% 0.114 225.5)

  • #8F8AD8

    #8F8AD8

    oklch(66.9% 0.114 285.8)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #6497DA

    #6497DA

    oklch(66.9% 0.114 255.7)

  • #CE7D57

    #CE7D57

    oklch(66.8% 0.114 45.4)

  • #9F993C

    #9F993C

    oklch(67% 0.114 105.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6497DA

    #6497DA

    oklch(66.9% 0.114 255.7)

  • #D1767D

    #D1767D

    oklch(66.8% 0.114 15.7)

  • #75A55C

    #75A55C

    oklch(67% 0.114 135.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6497DA

    #6497DA

    oklch(66.9% 0.114 255.7)

  • #C777A4

    #C777A4

    oklch(66.9% 0.114 345.8)

  • #BD8A3A

    #BD8A3A

    oklch(66.8% 0.114 75.6)

  • #40AB84

    #40AB84

    oklch(66.9% 0.115 165.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6497DA, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #6497DA in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.