#330A0B

Closest named color: Dark Maroon (#3C0008). oklch(21.9% 0.066 23.1), rgb(51, 10, 11).

Aa

White text reads best on this color (17.66:1).

About this color

#330A0B is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.066 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.025 away. White text reads best on it, at 17.66:1.

Hue familyReds
Lightnessvery dark (22%)
Chromamuted (0.066)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.18:1
White text17.66:1

Values

HEX#330A0B
RGBrgb(51, 10, 11)
HSLhsl(359, 67%, 12%)
OKLCHoklch(21.9% 0.066 23.1)

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 #330A0B 17.66:1 AAA Lc -106.4 Preferred for body text
Black text on #330A0B 1.18:1 Fails Lc 0.0 Not readable
#330A0B text on white 17.66:1 AAA Lc 104.0 Preferred for body text
#330A0B text on black 1.18:1 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F9E4E3

    oklch(93.5% 0.023 20.9)

  3. Step 200

    200

    #F5CFCC

    oklch(88.6% 0.043 23.3)

  4. Step 300

    300

    #EFADA9

    oklch(80.8% 0.078 22.8)

  5. Step 400

    400

    #E47F7B

    oklch(70.6% 0.125 23.1)

  6. Step 500

    500

    #D95B5A

    oklch(63.1% 0.159 23.2)

  7. Step 600

    600

    #C43B40

    oklch(55.5% 0.173 22.9)

  8. Step 700

    700

    #A92C32

    oklch(49.1% 0.161 23)

  9. Step 800

    800

    #89262A

    oklch(42.6% 0.134 22.8)

  10. Step 900

    900

    #6F2526

    oklch(37.7% 0.105 22.9)

  11. Step 950

    950 (this color)

    #330A0B

    oklch(21.9% 0.066 23.1)

Export this scale for Tailwind in the Tailwind colors tool

#330A0B 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)#15130B0.071
Deuteranopia (no green cones)#1F1C0A0.066
Tritanopia (no blue cones)#39020B0.020
Achromatopsia (no color)#1919190.066

Harmonies

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

Complementary

The opposite hue (180°).

  • #330A0B

    #330A0B

    oklch(21.9% 0.066 23.1)

  • #001F22

    #001F22

    oklch(21.8% 0.037 203.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #330A0B

    #330A0B

    oklch(21.9% 0.066 23.1)

  • #300A1D

    #300A1D

    oklch(21.9% 0.066 353)

  • #2E1200

    #2E1200

    oklch(22.1% 0.056 53.6)

Open the analogous palette in the generator

Split complementary

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

  • #330A0B

    #330A0B

    oklch(21.9% 0.066 23.1)

  • #002119

    #002119

    oklch(22.1% 0.042 173.3)

  • #001E2C

    #001E2C

    oklch(22.1% 0.045 232.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #330A0B

    #330A0B

    oklch(21.9% 0.066 23.1)

  • #032203

    #032203

    oklch(22.1% 0.067 142.9)

  • #091839

    #091839

    oklch(21.9% 0.067 263.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #330A0B

    #330A0B

    oklch(21.9% 0.066 23.1)

  • #1B1D00

    #1B1D00

    oklch(22.1% 0.049 113.3)

  • #001F22

    #001F22

    oklch(21.8% 0.037 203.9)

  • #1C1336

    #1C1336

    oklch(22% 0.066 292)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #330A0B, closest first.

Similar named colors

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

Use #330A0B 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.