#6488AF

Closest named color: Dusty Blue (#5A86AD). oklch(61.5% 0.072 251), rgb(100, 136, 175).

Aa

Black text reads best on this color (5.68:1).

About this color

#6488AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.072 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.014 away. Black text reads best on it, at 5.68:1.

Hue familyBlues
Lightnessmedium-dark (62%)
Chromamoderately saturated (0.072)
Temperaturecool
Nearest nameDusty Blue (#5A86AD)
Black text5.68:1
White text3.69:1

Values

HEX#6488AF
RGBrgb(100, 136, 175)
HSLhsl(211, 32%, 54%)
OKLCHoklch(61.5% 0.072 251)

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 #6488AF 3.69:1 AA large text Lc -70.0 Content text, not long reading
Black text on #6488AF 5.68:1 AA Lc 39.6 Non-text elements, placeholder text
#6488AF text on white 3.69:1 AA large text Lc 64.5 Content text, not long reading
#6488AF text on black 5.68:1 AA Lc -37.2 Non-text elements, placeholder text

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

    #F3F6F9

    oklch(97.2% 0.005 247.9)

  2. Step 100

    100

    #E5EAF1

    oklch(93.5% 0.011 256.7)

  3. Step 200

    200

    #D0DAE6

    oklch(88.4% 0.02 252.9)

  4. Step 300

    300

    #B0C3D7

    oklch(80.9% 0.035 249.6)

  5. Step 400

    400

    #87A4C3

    oklch(70.8% 0.056 250.3)

  6. Step 500

    500 (this color)

    #6488AF

    oklch(61.5% 0.072 251)

  7. Step 600

    600

    #5076A0

    oklch(55.5% 0.079 251.7)

  8. Step 700

    700

    #406389

    oklch(49% 0.074 251.4)

  9. Step 800

    800

    #35516F

    oklch(42.6% 0.061 251)

  10. Step 900

    900

    #2F435A

    oklch(37.6% 0.047 252.5)

  11. Step 950

    950

    #1B2835

    oklch(27.1% 0.03 249)

Export this scale for Tailwind in the Tailwind colors tool

#6488AF 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)#7989B10.027
Deuteranopia (no green cones)#7082AE0.021
Tritanopia (no blue cones)#4891950.062
Achromatopsia (no color)#8585850.072

Harmonies

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

Complementary

The opposite hue (180°).

  • #6488AF

    #6488AF

    oklch(61.5% 0.072 251)

  • #A07E54

    #A07E54

    oklch(61.6% 0.071 71.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6488AF

    #6488AF

    oklch(61.5% 0.072 251)

  • #508FA3

    #508FA3

    oklch(61.6% 0.071 220.6)

  • #7D80B0

    #7D80B0

    oklch(61.6% 0.072 281.3)

Open the analogous palette in the generator

Split complementary

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

  • #6488AF

    #6488AF

    oklch(61.5% 0.072 251)

  • #AA7663

    #AA7663

    oklch(61.4% 0.072 40.9)

  • #8E8652

    #8E8652

    oklch(61.5% 0.072 100.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6488AF

    #6488AF

    oklch(61.5% 0.072 251)

  • #AB737A

    #AB737A

    oklch(61.5% 0.071 11.2)

  • #768E60

    #768E60

    oklch(61.6% 0.072 130.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6488AF

    #6488AF

    oklch(61.5% 0.072 251)

  • #A37492

    #A37492

    oklch(61.6% 0.072 340.8)

  • #A07E54

    #A07E54

    oklch(61.6% 0.071 71.8)

  • #5C9277

    #5C9277

    oklch(61.4% 0.071 161.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6488AF, closest first.

Similar named colors

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

Use #6488AF 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.