#33020B

Closest named color: Dark Maroon (#3C0008). oklch(20.7% 0.078 15.8), rgb(51, 2, 11).

Aa

White text reads best on this color (18.19:1).

About this color

#33020B is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.078 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.023 away. White text reads best on it, at 18.19:1.

Hue familyReds
Lightnessvery dark (21%)
Chromamoderately saturated (0.078)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.15:1
White text18.19:1

Values

HEX#33020B
RGBrgb(51, 2, 11)
HSLhsl(349, 92%, 10%)
OKLCHoklch(20.7% 0.078 15.8)

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 #33020B 18.19:1 AAA Lc -106.4 Preferred for body text
Black text on #33020B 1.15:1 Fails Lc 0.0 Not readable
#33020B text on white 18.19:1 AAA Lc 104.1 Preferred for body text
#33020B text on black 1.15:1 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

    #FEF2F3

    oklch(97.1% 0.013 11.5)

  2. Step 100

    100

    #FBE3E4

    oklch(93.6% 0.026 14.7)

  3. Step 200

    200

    #F9CCCE

    oklch(88.5% 0.051 15.2)

  4. Step 300

    300

    #F6A8AC

    oklch(80.8% 0.092 15.9)

  5. Step 400

    400

    #EE7681

    oklch(70.7% 0.148 15.9)

  6. Step 500

    500

    #E44B62

    oklch(63.1% 0.188 15.7)

  7. Step 600

    600

    #D02149

    oklch(55.7% 0.206 15.8)

  8. Step 700

    700

    #B30C3A

    oklch(49.1% 0.191 15.8)

  9. Step 800

    800

    #911330

    oklch(42.6% 0.158 15.9)

  10. Step 900

    900

    #751B2B

    oklch(37.7% 0.123 15.6)

  11. Step 950

    950 (this color)

    #33020B

    oklch(20.7% 0.078 15.8)

Export this scale for Tailwind in the Tailwind colors tool

#33020B 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)#100F0B0.086
Deuteranopia (no green cones)#1C19090.080
Tritanopia (no blue cones)#3900050.017
Achromatopsia (no color)#1515150.079

Harmonies

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

Complementary

The opposite hue (180°).

  • #33020B

    #33020B

    oklch(20.7% 0.078 15.8)

  • #001D1D

    #001D1D

    oklch(20.9% 0.036 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #33020B

    #33020B

    oklch(20.7% 0.078 15.8)

  • #2E041F

    #2E041F

    oklch(20.7% 0.077 345.8)

  • #2C0D00

    #2C0D00

    oklch(20.8% 0.058 46.6)

Open the analogous palette in the generator

Split complementary

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

  • #33020B

    #33020B

    oklch(20.7% 0.078 15.8)

  • #001E13

    #001E13

    oklch(20.8% 0.044 165.5)

  • #001B25

    #001B25

    oklch(20.7% 0.039 225.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #33020B

    #33020B

    oklch(20.7% 0.078 15.8)

  • #091E00

    #091E00

    oklch(20.9% 0.062 136.1)

  • #001737

    #001737

    oklch(20.9% 0.07 255.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #33020B

    #33020B

    oklch(20.7% 0.078 15.8)

  • #1B1900

    #1B1900

    oklch(20.9% 0.044 105.7)

  • #001D1D

    #001D1D

    oklch(20.9% 0.036 194.8)

  • #160F39

    #160F39

    oklch(20.8% 0.078 285)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #33020B, closest first.

Similar named colors

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

Use #33020B 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.