#63233A

Closest named color: Merlot (#730039). oklch(35.9% 0.096 0.8), rgb(99, 35, 58).

Aa

White text reads best on this color (11.46:1).

About this color

#63233A is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.096 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.050 away. White text reads best on it, at 11.46:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.096)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.83:1
White text11.46:1

Values

HEX#63233A
RGBrgb(99, 35, 58)
HSLhsl(338, 48%, 26%)
OKLCHoklch(35.9% 0.096 0.8)

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 #63233A 11.46:1 AAA Lc -99.6 Preferred for body text
Black text on #63233A 1.83:1 Fails Lc 8.1 Not readable
#63233A text on white 11.46:1 AAA Lc 95.8 Preferred for body text
#63233A text on black 1.83:1 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

    #FBF3F5

    oklch(97.1% 0.009 0.1)

  2. Step 100

    100

    #F7E4E9

    oklch(93.5% 0.022 359.7)

  3. Step 200

    200

    #F1CFD7

    oklch(88.5% 0.039 2)

  4. Step 300

    300

    #E9AEBE

    oklch(81% 0.072 0.9)

  5. Step 400

    400

    #DB819D

    oklch(70.7% 0.115 0.5)

  6. Step 500

    500

    #CE5E84

    oklch(63% 0.147 0.9)

  7. Step 600

    600

    #B9416E

    oklch(55.5% 0.159 0.6)

  8. Step 700

    700

    #9F325C

    oklch(49% 0.148 0.6)

  9. Step 800

    800

    #822B4B

    oklch(42.8% 0.123 1.1)

  10. Step 900

    900 (this color)

    #63233A

    oklch(35.9% 0.096 0.8)

  11. Step 950

    950

    #3E1825

    oklch(27.1% 0.062 0.5)

Export this scale for Tailwind in the Tailwind colors tool

#63233A 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)#2F323B0.105
Deuteranopia (no green cones)#403E390.096
Tritanopia (no blue cones)#6B1D2C0.027
Achromatopsia (no color)#3939390.097

Harmonies

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

Complementary

The opposite hue (180°).

  • #63233A

    #63233A

    oklch(35.9% 0.096 0.8)

  • #00483F

    #00483F

    oklch(36% 0.065 181)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63233A

    #63233A

    oklch(35.9% 0.096 0.8)

  • #582754

    #582754

    oklch(35.9% 0.096 330.5)

  • #66251B

    #66251B

    oklch(35.9% 0.096 31.1)

Open the analogous palette in the generator

Split complementary

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

  • #63233A

    #63233A

    oklch(35.9% 0.096 0.8)

  • #024A20

    #024A20

    oklch(35.8% 0.096 150.7)

  • #00454F

    #00454F

    oklch(35.8% 0.062 211)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63233A

    #63233A

    oklch(35.9% 0.096 0.8)

  • #374300

    #374300

    oklch(35.9% 0.086 120.5)

  • #004164

    #004164

    oklch(35.9% 0.084 241)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63233A

    #63233A

    oklch(35.9% 0.096 0.8)

  • #4B3B00

    #4B3B00

    oklch(35.9% 0.073 91.6)

  • #00483F

    #00483F

    oklch(36% 0.065 181)

  • #2B386E

    #2B386E

    oklch(36% 0.094 270.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63233A, closest first.

Similar named colors

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

Use #63233A 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.