#330B0A

Closest named color: Dark Maroon (#3C0008). oklch(22.1% 0.065 25.4), rgb(51, 11, 10).

Aa

White text reads best on this color (17.60:1).

About this color

#330B0A is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.065 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.027 away. White text reads best on it, at 17.60:1.

Hue familyReds
Lightnessvery dark (22%)
Chromamuted (0.065)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.19:1
White text17.60:1

Values

HEX#330B0A
RGBrgb(51, 11, 10)
HSLhsl(1, 67%, 12%)
OKLCHoklch(22.1% 0.065 25.4)

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 #330B0A 17.60:1 AAA Lc -106.3 Preferred for body text
Black text on #330B0A 1.19:1 Fails Lc 0.0 Not readable
#330B0A text on white 17.60:1 AAA Lc 104.0 Preferred for body text
#330B0A text on black 1.19:1 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

    #F9E5E2

    oklch(93.7% 0.022 27.8)

  3. Step 200

    200

    #F4CFCB

    oklch(88.5% 0.042 25.3)

  4. Step 300

    300

    #EEAEA7

    oklch(80.9% 0.076 25.9)

  5. Step 400

    400

    #E38079

    oklch(70.6% 0.123 24.9)

  6. Step 500

    500

    #D85C56

    oklch(63.1% 0.158 25.4)

  7. Step 600

    600

    #C33E3B

    oklch(55.6% 0.17 25.7)

  8. Step 700

    700

    #A82E2E

    oklch(49% 0.159 25.2)

  9. Step 800

    800

    #892827

    oklch(42.8% 0.132 25.2)

  10. Step 900

    900

    #6E2724

    oklch(37.8% 0.102 25.6)

  11. Step 950

    950 (this color)

    #330B0A

    oklch(22.1% 0.065 25.4)

Export this scale for Tailwind in the Tailwind colors tool

#330B0A 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)#16130A0.069
Deuteranopia (no green cones)#201C090.063
Tritanopia (no blue cones)#39030B0.020
Achromatopsia (no color)#1919190.065

Harmonies

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

Complementary

The opposite hue (180°).

  • #330B0A

    #330B0A

    oklch(22.1% 0.065 25.4)

  • #002023

    #002023

    oklch(22.2% 0.038 203.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #330B0A

    #330B0A

    oklch(22.1% 0.065 25.4)

  • #300B1C

    #300B1C

    oklch(22% 0.064 355.2)

  • #2D1200

    #2D1200

    oklch(21.9% 0.055 54.7)

Open the analogous palette in the generator

Split complementary

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

  • #330B0A

    #330B0A

    oklch(22.1% 0.065 25.4)

  • #00211A

    #00211A

    oklch(22.1% 0.041 175.7)

  • #001E2D

    #001E2D

    oklch(22.1% 0.046 234)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #330B0A

    #330B0A

    oklch(22.1% 0.065 25.4)

  • #022206

    #022206

    oklch(22.1% 0.064 145.7)

  • #0C1838

    #0C1838

    oklch(21.9% 0.065 265.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #330B0A

    #330B0A

    oklch(22.1% 0.065 25.4)

  • #1A1D00

    #1A1D00

    oklch(22% 0.05 115.1)

  • #002023

    #002023

    oklch(22.2% 0.038 203.7)

  • #1E1335

    #1E1335

    oklch(22.2% 0.064 295.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #330B0A, closest first.

Similar named colors

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

Use #330B0A 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.