#63051A

Closest named color: Claret (#680018). oklch(32.1% 0.123 17.6), rgb(99, 5, 26).

Aa

White text reads best on this color (13.40:1).

About this color

#63051A is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.123 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.011 away. White text reads best on it, at 13.40:1.

Hue familyReds
Lightnessdark (32%)
Chromamoderately saturated (0.123)
Temperaturewarm
Nearest nameClaret (#680018)
Black text1.56:1
White text13.40:1

Values

HEX#63051A
RGBrgb(99, 5, 26)
HSLhsl(347, 90%, 20%)
OKLCHoklch(32.1% 0.123 17.6)

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 #63051A 13.40:1 AAA Lc -101.7 Preferred for body text
Black text on #63051A 1.56:1 Fails Lc 0.0 Not readable
#63051A text on white 13.40:1 AAA Lc 98.3 Preferred for body text
#63051A text on black 1.56:1 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 950.

  1. Step 50

    50

    #FFF2F2

    oklch(97.1% 0.014 17.4)

  2. Step 100

    100

    #FFE2E2

    oklch(93.6% 0.032 17.7)

  3. Step 200

    200

    #FFCACA

    oklch(88.5% 0.06 18.4)

  4. Step 300

    300

    #FFA4A7

    oklch(81% 0.108 17.6)

  5. Step 400

    400

    #FF6674

    oklch(70.7% 0.186 17.8)

  6. Step 500

    500

    #FD004C

    oklch(63% 0.252 17.7)

  7. Step 600

    600

    #D6003F

    oklch(55.5% 0.222 17.7)

  8. Step 700

    700

    #B50034

    oklch(49% 0.196 17.6)

  9. Step 800

    800

    #96002A

    oklch(42.7% 0.171 17.4)

  10. Step 900

    900

    #7E0022

    oklch(37.6% 0.151 17.3)

  11. Step 950

    950 (this color)

    #63051A

    oklch(32.1% 0.123 17.6)

Export this scale for Tailwind in the Tailwind colors tool

#63051A 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)#25231A0.138
Deuteranopia (no green cones)#3C36170.125
Tritanopia (no blue cones)#6E000F0.028
Achromatopsia (no color)#2F2F2F0.124

Harmonies

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

Complementary

The opposite hue (180°).

  • #63051A

    #63051A

    oklch(32.1% 0.123 17.6)

  • #003B3D

    #003B3D

    oklch(32% 0.054 198.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63051A

    #63051A

    oklch(32.1% 0.123 17.6)

  • #5B0A3E

    #5B0A3E

    oklch(32% 0.123 347.5)

  • #552100

    #552100

    oklch(32% 0.088 47.4)

Open the analogous palette in the generator

Split complementary

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

  • #63051A

    #63051A

    oklch(32.1% 0.123 17.6)

  • #003D2C

    #003D2C

    oklch(32% 0.065 167.6)

  • #00394C

    #00394C

    oklch(32.2% 0.062 227.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63051A

    #63051A

    oklch(32.1% 0.123 17.6)

  • #153E00

    #153E00

    oklch(32.2% 0.099 137.8)

  • #00306D

    #00306D

    oklch(32.2% 0.117 257.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63051A

    #63051A

    oklch(32.1% 0.123 17.6)

  • #373500

    #373500

    oklch(32.1% 0.069 107.4)

  • #003B3D

    #003B3D

    oklch(32% 0.054 198.5)

  • #33226D

    #33226D

    oklch(32.1% 0.123 287.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63051A, closest first.

Similar named colors

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

Use #63051A 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.