#330B20

Closest named color: Dark Plum (#3F012C). oklch(22.8% 0.069 351.6), rgb(51, 11, 32).

Aa

White text reads best on this color (17.36:1).

About this color

#330B20 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.069 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.040 away. White text reads best on it, at 17.36:1.

Hue familyReds
Lightnessvery dark (23%)
Chromamuted (0.069)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.20:1
White text17.36:1

Values

HEX#330B20
RGBrgb(51, 11, 32)
HSLhsl(329, 65%, 12%)
OKLCHoklch(22.8% 0.069 351.6)

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 #330B20 17.36:1 AAA Lc -106.2 Preferred for body text
Black text on #330B20 1.20:1 Fails Lc 0.0 Not readable
#330B20 text on white 17.36:1 AAA Lc 103.8 Preferred for body text
#330B20 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

    #FCF3F6

    oklch(97.2% 0.01 354.9)

  2. Step 100

    100

    #F7E4EC

    oklch(93.6% 0.023 350.1)

  3. Step 200

    200

    #F2CDDC

    oklch(88.4% 0.046 351.7)

  4. Step 300

    300

    #EBABC7

    oklch(80.9% 0.083 351.2)

  5. Step 400

    400

    #DE7CAA

    oklch(70.7% 0.132 351.5)

  6. Step 500

    500

    #D25795

    oklch(63.2% 0.168 351.6)

  7. Step 600

    600

    #BD377F

    oklch(55.6% 0.183 351.7)

  8. Step 700

    700

    #A2286B

    oklch(49.1% 0.169 351.7)

  9. Step 800

    800

    #842357

    oklch(42.7% 0.141 351.9)

  10. Step 900

    900

    #6A2348

    oklch(37.6% 0.11 351.4)

  11. Step 950

    950 (this color)

    #330B20

    oklch(22.8% 0.069 351.6)

Export this scale for Tailwind in the Tailwind colors tool

#330B20 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)#1116210.077
Deuteranopia (no green cones)#1C1D1F0.069
Tritanopia (no blue cones)#3709140.024
Achromatopsia (no color)#1A1A1A0.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #330B20

    #330B20

    oklch(22.8% 0.069 351.6)

  • #00231A

    #00231A

    oklch(22.8% 0.044 171.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #330B20

    #330B20

    oklch(22.8% 0.069 351.6)

  • #2B0F2F

    #2B0F2F

    oklch(22.8% 0.069 322.5)

  • #360B0D

    #360B0D

    oklch(22.7% 0.068 21.9)

Open the analogous palette in the generator

Split complementary

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

  • #330B20

    #330B20

    oklch(22.8% 0.069 351.6)

  • #052403

    #052403

    oklch(22.9% 0.069 141.8)

  • #002224

    #002224

    oklch(22.9% 0.039 200.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #330B20

    #330B20

    oklch(22.8% 0.069 351.6)

  • #1D1E00

    #1D1E00

    oklch(22.6% 0.05 111.5)

  • #00202E

    #00202E

    oklch(22.8% 0.046 231)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #330B20

    #330B20

    oklch(22.8% 0.069 351.6)

  • #271A00

    #271A00

    oklch(22.8% 0.047 83.1)

  • #00231A

    #00231A

    oklch(22.8% 0.044 171.9)

  • #091B3C

    #091B3C

    oklch(22.9% 0.068 261.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #330B20, closest first.

Similar named colors

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

Use #330B20 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.