#330B1B

Closest named color: Dark Maroon (#3C0008). oklch(22.6% 0.067 359.3), rgb(51, 11, 27).

Aa

White text reads best on this color (17.43:1).

About this color

#330B1B is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.067 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.037 away. White text reads best on it, at 17.43:1.

Hue familyReds
Lightnessvery dark (23%)
Chromamuted (0.067)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.20:1
White text17.43:1

Values

HEX#330B1B
RGBrgb(51, 11, 27)
HSLhsl(336, 65%, 12%)
OKLCHoklch(22.6% 0.067 359.3)

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 #330B1B 17.43:1 AAA Lc -106.2 Preferred for body text
Black text on #330B1B 1.20:1 Fails Lc 0.0 Not readable
#330B1B text on white 17.43:1 AAA Lc 103.9 Preferred for body text
#330B1B text on black 1.20:1 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

    #FCF3F5

    oklch(97.2% 0.01 2)

  2. Step 100

    100

    #F8E4E9

    oklch(93.6% 0.023 0.5)

  3. Step 200

    200

    #F3CED8

    oklch(88.6% 0.043 359.9)

  4. Step 300

    300

    #ECACBF

    oklch(81% 0.079 359.5)

  5. Step 400

    400

    #DF7D9E

    oklch(70.6% 0.126 359.3)

  6. Step 500

    500

    #D35887

    oklch(63% 0.162 358.9)

  7. Step 600

    600

    #BF3970

    oklch(55.6% 0.176 359.6)

  8. Step 700

    700

    #A42A5E

    oklch(49.1% 0.163 359.3)

  9. Step 800

    800

    #85254D

    oklch(42.7% 0.135 359.1)

  10. Step 900

    900

    #6B2440

    oklch(37.6% 0.105 359)

  11. Step 950

    950 (this color)

    #330B1B

    oklch(22.6% 0.067 359.3)

Export this scale for Tailwind in the Tailwind colors tool

#330B1B 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)#13151B0.074
Deuteranopia (no green cones)#1D1D1A0.069
Tritanopia (no blue cones)#3807110.021
Achromatopsia (no color)#1A1A1A0.067

Harmonies

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

Complementary

The opposite hue (180°).

  • #330B1B

    #330B1B

    oklch(22.6% 0.067 359.3)

  • #00221C

    #00221C

    oklch(22.6% 0.041 178.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #330B1B

    #330B1B

    oklch(22.6% 0.067 359.3)

  • #2C0E2B

    #2C0E2B

    oklch(22.6% 0.067 328.8)

  • #350C08

    #350C08

    oklch(22.6% 0.067 29.1)

Open the analogous palette in the generator

Split complementary

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

  • #330B1B

    #330B1B

    oklch(22.6% 0.067 359.3)

  • #00240A

    #00240A

    oklch(22.7% 0.064 149.3)

  • #002126

    #002126

    oklch(22.7% 0.039 209.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #330B1B

    #330B1B

    oklch(22.6% 0.067 359.3)

  • #191F00

    #191F00

    oklch(22.5% 0.053 119.5)

  • #001E31

    #001E31

    oklch(22.4% 0.052 240.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #330B1B

    #330B1B

    oklch(22.6% 0.067 359.3)

  • #241A00

    #241A00

    oklch(22.4% 0.046 89.1)

  • #00221C

    #00221C

    oklch(22.6% 0.041 178.5)

  • #10193B

    #10193B

    oklch(22.7% 0.067 269.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #330B1B, closest first.

Similar named colors

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

Use #330B1B 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.