#63251A

Closest named color: Reddy Brown (#6E1005). oklch(35.4% 0.093 32.1), rgb(99, 37, 26).

Aa

White text reads best on this color (11.60:1).

About this color

#63251A is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.093 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.037 away. White text reads best on it, at 11.60:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.093)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.81:1
White text11.60:1

Values

HEX#63251A
RGBrgb(99, 37, 26)
HSLhsl(9, 58%, 25%)
OKLCHoklch(35.4% 0.093 32.1)

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 #63251A 11.60:1 AAA Lc -99.8 Preferred for body text
Black text on #63251A 1.81:1 Fails Lc 7.8 Not readable
#63251A text on white 11.60:1 AAA Lc 96.1 Preferred for body text
#63251A text on black 1.81:1 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F7E5E2

    oklch(93.5% 0.02 28.9)

  3. Step 200

    200

    #F2D0C9

    oklch(88.4% 0.04 31.6)

  4. Step 300

    300

    #EAB1A5

    oklch(81% 0.069 32.1)

  5. Step 400

    400

    #DD8674

    oklch(70.8% 0.111 32.5)

  6. Step 500

    500

    #D16450

    oklch(63.1% 0.142 32)

  7. Step 600

    600

    #BC4834

    oklch(55.5% 0.154 32)

  8. Step 700

    700

    #A23826

    oklch(49% 0.144 32)

  9. Step 800

    800

    #843021

    oklch(42.8% 0.119 32.3)

  10. Step 900

    900 (this color)

    #63251A

    oklch(35.4% 0.093 32.1)

  11. Step 950

    950

    #3E1A13

    oklch(26.9% 0.058 32.4)

Export this scale for Tailwind in the Tailwind colors tool

#63251A 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)#3630190.094
Deuteranopia (no green cones)#453E180.088
Tritanopia (no blue cones)#6D18230.035
Achromatopsia (no color)#3939390.093

Harmonies

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

Complementary

The opposite hue (180°).

  • #63251A

    #63251A

    oklch(35.4% 0.093 32.1)

  • #00444E

    #00444E

    oklch(35.5% 0.062 211.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63251A

    #63251A

    oklch(35.4% 0.093 32.1)

  • #612338

    #612338

    oklch(35.5% 0.093 1.9)

  • #593000

    #593000

    oklch(35.4% 0.081 62.1)

Open the analogous palette in the generator

Split complementary

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

  • #63251A

    #63251A

    oklch(35.4% 0.093 32.1)

  • #00463E

    #00463E

    oklch(35.4% 0.063 182.1)

  • #003F63

    #003F63

    oklch(35.3% 0.084 242.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63251A

    #63251A

    oklch(35.4% 0.093 32.1)

  • #004922

    #004922

    oklch(35.5% 0.093 152.3)

  • #2B366B

    #2B366B

    oklch(35.3% 0.093 272)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63251A

    #63251A

    oklch(35.4% 0.093 32.1)

  • #344200

    #344200

    oklch(35.4% 0.086 122.2)

  • #00444E

    #00444E

    oklch(35.5% 0.062 211.2)

  • #452D63

    #452D63

    oklch(35.3% 0.093 302.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63251A, closest first.

Similar named colors

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

Use #63251A 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.