#33151B

Closest named color: Dark Maroon (#3C0008). oklch(24.2% 0.049 8.8), rgb(51, 21, 27).

Aa

White text reads best on this color (16.61:1).

About this color

#33151B is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.049 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.047 away. White text reads best on it, at 16.61:1.

Hue familyReds
Lightnessvery dark (24%)
Chromamuted (0.049)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.26:1
White text16.61:1

Values

HEX#33151B
RGBrgb(51, 21, 27)
HSLhsl(348, 42%, 14%)
OKLCHoklch(24.2% 0.049 8.8)

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 #33151B 16.61:1 AAA Lc -105.8 Preferred for body text
Black text on #33151B 1.26:1 Fails Lc 0.0 Not readable
#33151B text on white 16.61:1 AAA Lc 103.4 Preferred for body text
#33151B text on black 1.26:1 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

    #FAF3F4

    oklch(97% 0.008 7.3)

  2. Step 100

    100

    #F5E6E7

    oklch(93.7% 0.016 12.8)

  3. Step 200

    200

    #EDD1D5

    oklch(88.5% 0.032 8)

  4. Step 300

    300

    #E3B2B9

    oklch(81% 0.058 8.8)

  5. Step 400

    400

    #D38895

    oklch(70.7% 0.093 8.4)

  6. Step 500

    500

    #C5697B

    oklch(63.1% 0.118 8.6)

  7. Step 600

    600

    #B04F64

    oklch(55.6% 0.128 8.7)

  8. Step 700

    700

    #973F53

    oklch(49.1% 0.119 8.5)

  9. Step 800

    800

    #7B3544

    oklch(42.8% 0.098 8.8)

  10. Step 900

    900

    #632E39

    oklch(37.6% 0.077 8.4)

  11. Step 950

    950 (this color)

    #33151B

    oklch(24.2% 0.049 8.8)

Export this scale for Tailwind in the Tailwind colors tool

#33151B 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)#1B1B1B0.053
Deuteranopia (no green cones)#22211A0.051
Tritanopia (no blue cones)#3812170.013
Achromatopsia (no color)#1E1E1E0.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #33151B

    #33151B

    oklch(24.2% 0.049 8.8)

  • #002624

    #002624

    oklch(24.2% 0.042 189.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #33151B

    #33151B

    oklch(24.2% 0.049 8.8)

  • #2F1628

    #2F1628

    oklch(24.3% 0.05 338.4)

  • #33170D

    #33170D

    oklch(24.3% 0.049 40.1)

Open the analogous palette in the generator

Split complementary

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

  • #33151B

    #33151B

    oklch(24.2% 0.049 8.8)

  • #062717

    #062717

    oklch(24.4% 0.049 158.3)

  • #00252E

    #00252E

    oklch(24.4% 0.044 217.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #33151B

    #33151B

    oklch(24.2% 0.049 8.8)

  • #192409

    #192409

    oklch(24.2% 0.048 128.1)

  • #0B2136

    #0B2136

    oklch(24.2% 0.049 249.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #33151B

    #33151B

    oklch(24.2% 0.049 8.8)

  • #262001

    #262001

    oklch(24.3% 0.049 98.6)

  • #002624

    #002624

    oklch(24.2% 0.042 189.5)

  • #1B1D37

    #1B1D37

    oklch(24.3% 0.049 278.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #33151B, closest first.

Similar named colors

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

Use #33151B 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.