#33101B

Closest named color: Dark Maroon (#3C0008). oklch(23.3% 0.058 3), rgb(51, 16, 27).

Aa

White text reads best on this color (17.06:1).

About this color

#33101B is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.058 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.040 away. White text reads best on it, at 17.06:1.

Hue familyReds
Lightnessvery dark (23%)
Chromamuted (0.058)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.23:1
White text17.06:1

Values

HEX#33101B
RGBrgb(51, 16, 27)
HSLhsl(341, 52%, 13%)
OKLCHoklch(23.3% 0.058 3)

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 #33101B 17.06:1 AAA Lc -106.1 Preferred for body text
Black text on #33101B 1.23:1 Fails Lc 0.0 Not readable
#33101B text on white 17.06:1 AAA Lc 103.7 Preferred for body text
#33101B text on black 1.23:1 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

    #FBF3F5

    oklch(97.1% 0.009 0.1)

  2. Step 100

    100

    #F6E5E8

    oklch(93.6% 0.019 5.3)

  3. Step 200

    200

    #F0CFD6

    oklch(88.4% 0.038 3.5)

  4. Step 300

    300

    #E8AFBC

    oklch(81% 0.068 3.6)

  5. Step 400

    400

    #D9839A

    oklch(70.7% 0.109 3)

  6. Step 500

    500

    #CD6181

    oklch(63.2% 0.14 3.2)

  7. Step 600

    600

    #B8446B

    oklch(55.6% 0.154 2.7)

  8. Step 700

    700

    #9E3559

    oklch(49.1% 0.142 2.8)

  9. Step 800

    800

    #802D49

    oklch(42.6% 0.117 2.6)

  10. Step 900

    900

    #68293D

    oklch(37.7% 0.093 2.7)

  11. Step 950

    950 (this color)

    #33101B

    oklch(23.3% 0.058 3)

Export this scale for Tailwind in the Tailwind colors tool

#33101B 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)#16181B0.065
Deuteranopia (no green cones)#201E1A0.057
Tritanopia (no blue cones)#380C140.017
Achromatopsia (no color)#1C1C1C0.058

Harmonies

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

Complementary

The opposite hue (180°).

  • #33101B

    #33101B

    oklch(23.3% 0.058 3)

  • #002420

    #002420

    oklch(23.4% 0.041 184.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #33101B

    #33101B

    oklch(23.3% 0.058 3)

  • #2D1229

    #2D1229

    oklch(23.3% 0.057 333.1)

  • #34110A

    #34110A

    oklch(23.2% 0.059 33)

Open the analogous palette in the generator

Split complementary

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

  • #33101B

    #33101B

    oklch(23.3% 0.058 3)

  • #012510

    #012510

    oklch(23.3% 0.058 153.6)

  • #002329

    #002329

    oklch(23.5% 0.041 211.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #33101B

    #33101B

    oklch(23.3% 0.058 3)

  • #192200

    #192200

    oklch(23.5% 0.058 123)

  • #002036

    #002036

    oklch(23.4% 0.056 242.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #33101B

    #33101B

    oklch(23.3% 0.058 3)

  • #251D00

    #251D00

    oklch(23.3% 0.048 94.4)

  • #002420

    #002420

    oklch(23.4% 0.041 184.1)

  • #151B39

    #151B39

    oklch(23.4% 0.058 272.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #33101B, closest first.

Similar named colors

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

Use #33101B 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.