#649FFD

Closest named color: Cornflower Blue (#6495ED). oklch(70.4% 0.152 259.3), rgb(100, 159, 253).

Aa

Black text reads best on this color (7.91:1).

About this color

#649FFD is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.152 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.032 away. Black text reads best on it, at 7.91:1.

Hue familyBlues
Lightnessmedium-light (70%)
Chromavivid (0.152)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.91:1
White text2.65:1

Values

HEX#649FFD
RGBrgb(100, 159, 253)
HSLhsl(217, 97%, 69%)
OKLCHoklch(70.4% 0.152 259.3)

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 #649FFD 2.65:1 Fails Lc -56.6 Large or bold text, headings
Black text on #649FFD 7.91:1 AAA Lc 52.6 Large or bold text, headings
#649FFD text on white 2.65:1 Fails Lc 51.4 Large or bold text, headings
#649FFD text on black 7.91:1 AAA Lc -50.5 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 400.

  1. Step 50

    50

    #F0F6FE

    oklch(97.1% 0.012 255.5)

  2. Step 100

    100

    #DFEBFD

    oklch(93.6% 0.028 258.4)

  3. Step 200

    200

    #C5DBFD

    oklch(88.6% 0.053 259)

  4. Step 300

    300

    #9CC2FE

    oklch(80.9% 0.095 259.4)

  5. Step 400

    400 (this color)

    #649FFD

    oklch(70.4% 0.152 259.3)

  6. Step 500

    500

    #3884FC

    oklch(63% 0.194 259.4)

  7. Step 600

    600

    #0E6AEB

    oklch(55.6% 0.21 259.3)

  8. Step 700

    700

    #0058CB

    oklch(49.1% 0.193 259.2)

  9. Step 800

    800

    #0648A5

    oklch(42.6% 0.162 259.4)

  10. Step 900

    900

    #113E83

    oklch(37.7% 0.126 259.3)

  11. Step 950

    950

    #0C254D

    oklch(27.1% 0.08 259.5)

Export this scale for Tailwind in the Tailwind colors tool

#649FFD 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)#77A7FF0.031
Deuteranopia (no green cones)#6298FB0.019
Tritanopia (no blue cones)#00B4C20.128
Achromatopsia (no color)#9F9F9F0.152

Harmonies

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

Complementary

The opposite hue (180°).

  • #649FFD

    #649FFD

    oklch(70.4% 0.152 259.3)

  • #D09300

    #D09300

    oklch(70.5% 0.146 79)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #649FFD

    #649FFD

    oklch(70.4% 0.152 259.3)

  • #00AFE5

    #00AFE5

    oklch(70.5% 0.139 229.3)

  • #9E8DF7

    #9E8DF7

    oklch(70.3% 0.152 289.3)

Open the analogous palette in the generator

Split complementary

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

  • #649FFD

    #649FFD

    oklch(70.4% 0.152 259.3)

  • #E97F3F

    #E97F3F

    oklch(70.4% 0.152 49.2)

  • #A7A708

    #A7A708

    oklch(70.5% 0.152 109.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #649FFD

    #649FFD

    oklch(70.4% 0.152 259.3)

  • #EF7479

    #EF7479

    oklch(70.4% 0.152 19.3)

  • #6AB656

    #6AB656

    oklch(70.5% 0.152 139.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #649FFD

    #649FFD

    oklch(70.4% 0.152 259.3)

  • #E375AE

    #E375AE

    oklch(70.4% 0.151 349.3)

  • #D09300

    #D09300

    oklch(70.5% 0.146 79)

  • #00BB91

    #00BB91

    oklch(70.4% 0.14 169.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #649FFD, closest first.

Similar named colors

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

Use #649FFD 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.