#631724

Closest named color: Claret (#680018). oklch(33.7% 0.108 15.6), rgb(99, 23, 36).

Aa

White text reads best on this color (12.51:1).

About this color

#631724 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.108 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.026 away. White text reads best on it, at 12.51:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.108)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.67:1
White text12.51:1

Values

HEX#631724
RGBrgb(99, 23, 36)
HSLhsl(350, 62%, 24%)
OKLCHoklch(33.7% 0.108 15.6)

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 #631724 12.51:1 AAA Lc -101.0 Preferred for body text
Black text on #631724 1.67:1 Fails Lc 0.0 Not readable
#631724 text on white 12.51:1 AAA Lc 97.4 Preferred for body text
#631724 text on black 1.67:1 Fails Lc 0.0 Not readable

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 900.

  1. Step 50

    50

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E5

    oklch(93.6% 0.023 14.3)

  3. Step 200

    200

    #F6CECF

    oklch(88.6% 0.045 16.3)

  4. Step 300

    300

    #F0ACAF

    oklch(80.9% 0.08 16.1)

  5. Step 400

    400

    #E57D86

    oklch(70.7% 0.128 15.4)

  6. Step 500

    500

    #DB5767

    oklch(63.2% 0.165 15.9)

  7. Step 600

    600

    #C6364F

    oklch(55.6% 0.18 15.6)

  8. Step 700

    700

    #AA2640

    oklch(49% 0.167 15.3)

  9. Step 800

    800

    #8A2335

    oklch(42.7% 0.137 15.5)

  10. Step 900

    900 (this color)

    #631724

    oklch(33.7% 0.108 15.6)

  11. Step 950

    950

    #42161B

    oklch(27.1% 0.068 16)

Export this scale for Tailwind in the Tailwind colors tool

#631724 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)#2B2A240.120
Deuteranopia (no green cones)#3F39220.108
Tritanopia (no blue cones)#6D031C0.027
Achromatopsia (no color)#3434340.109

Harmonies

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

Complementary

The opposite hue (180°).

  • #631724

    #631724

    oklch(33.7% 0.108 15.6)

  • #004041

    #004041

    oklch(33.7% 0.057 196.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631724

    #631724

    oklch(33.7% 0.108 15.6)

  • #5B1A43

    #5B1A43

    oklch(33.7% 0.107 345.5)

  • #5D2300

    #5D2300

    oklch(33.7% 0.095 45.8)

Open the analogous palette in the generator

Split complementary

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

  • #631724

    #631724

    oklch(33.7% 0.108 15.6)

  • #00422E

    #00422E

    oklch(33.6% 0.07 165.5)

  • #003E50

    #003E50

    oklch(33.8% 0.064 224.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631724

    #631724

    oklch(33.7% 0.108 15.6)

  • #1D4200

    #1D4200

    oklch(33.8% 0.1 135.6)

  • #05366D

    #05366D

    oklch(33.8% 0.107 255.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631724

    #631724

    oklch(33.7% 0.108 15.6)

  • #3D3900

    #3D3900

    oklch(33.8% 0.072 105.2)

  • #004041

    #004041

    oklch(33.7% 0.057 196.5)

  • #342B6B

    #342B6B

    oklch(33.7% 0.107 285.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631724, closest first.

Similar named colors

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

Use #631724 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.