#330318

Closest named color: Dark Maroon (#3C0008). oklch(21.3% 0.079 359.3), rgb(51, 3, 24).

Aa

White text reads best on this color (17.99:1).

About this color

#330318 is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.079 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.035 away. White text reads best on it, at 17.99:1.

Hue familyReds
Lightnessvery dark (21%)
Chromamoderately saturated (0.079)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.16:1
White text17.99:1

Values

HEX#330318
RGBrgb(51, 3, 24)
HSLhsl(334, 89%, 11%)
OKLCHoklch(21.3% 0.079 359.3)

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 #330318 17.99:1 AAA Lc -106.4 Preferred for body text
Black text on #330318 1.16:1 Fails Lc 0.0 Not readable
#330318 text on white 17.99:1 AAA Lc 104.1 Preferred for body text
#330318 text on black 1.16:1 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FAE3E9

    oklch(93.6% 0.026 359.9)

  3. Step 200

    200

    #F7CBD8

    oklch(88.4% 0.052 358.6)

  4. Step 300

    300

    #F3A7BF

    oklch(80.8% 0.094 358.9)

  5. Step 400

    400

    #E9759E

    oklch(70.7% 0.149 359.2)

  6. Step 500

    500

    #DF4A86

    oklch(63.1% 0.191 359.4)

  7. Step 600

    600

    #CA2070

    oklch(55.6% 0.208 359.2)

  8. Step 700

    700

    #AE0C5E

    oklch(49.1% 0.194 359.1)

  9. Step 800

    800

    #8D134C

    oklch(42.6% 0.16 359.5)

  10. Step 900

    900

    #721A40

    oklch(37.7% 0.126 359)

  11. Step 950

    950 (this color)

    #330318

    oklch(21.3% 0.079 359.3)

Export this scale for Tailwind in the Tailwind colors tool

#330318 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)#0D11190.090
Deuteranopia (no green cones)#1B1A170.080
Tritanopia (no blue cones)#38000C0.024
Achromatopsia (no color)#1717170.080

Harmonies

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

Complementary

The opposite hue (180°).

  • #330318

    #330318

    oklch(21.3% 0.079 359.3)

  • #001F19

    #001F19

    oklch(21.4% 0.04 177.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #330318

    #330318

    oklch(21.3% 0.079 359.3)

  • #2B072A

    #2B072A

    oklch(21.3% 0.078 329.1)

  • #350402

    #350402

    oklch(21.3% 0.078 29.7)

Open the analogous palette in the generator

Split complementary

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

  • #330318

    #330318

    oklch(21.3% 0.079 359.3)

  • #002008

    #002008

    oklch(21.3% 0.06 149.1)

  • #001E22

    #001E22

    oklch(21.5% 0.037 207.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #330318

    #330318

    oklch(21.3% 0.079 359.3)

  • #171C00

    #171C00

    oklch(21.4% 0.05 118.5)

  • #001B2D

    #001B2D

    oklch(21.2% 0.049 240.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #330318

    #330318

    oklch(21.3% 0.079 359.3)

  • #211800

    #211800

    oklch(21.4% 0.044 90.2)

  • #001F19

    #001F19

    oklch(21.4% 0.04 177.5)

  • #0B143D

    #0B143D

    oklch(21.4% 0.079 269.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #330318, closest first.

Similar named colors

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

Use #330318 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.