#3D000B

Closest named color: Dark Maroon (#3C0008). oklch(22.8% 0.091 18), rgb(61, 0, 11).

Aa

White text reads best on this color (17.45:1).

About this color

#3D000B is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.091 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.005 away. White text reads best on it, at 17.45:1.

Hue familyReds
Lightnessvery dark (23%)
Chromamoderately saturated (0.091)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.20:1
White text17.45:1

Values

HEX#3D000B
RGBrgb(61, 0, 11)
HSLhsl(349, 100%, 12%)
OKLCHoklch(22.8% 0.091 18)

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 #3D000B 17.45:1 AAA Lc -105.7 Preferred for body text
Black text on #3D000B 1.20:1 Fails Lc 0.0 Not readable
#3D000B text on white 17.45:1 AAA Lc 103.2 Preferred for body text
#3D000B 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

    #FFF2F2

    oklch(97.1% 0.014 17.4)

  2. Step 100

    100

    #FEE2E2

    oklch(93.6% 0.031 17.7)

  3. Step 200

    200

    #FFCACA

    oklch(88.5% 0.06 18.4)

  4. Step 300

    300

    #FFA4A6

    oklch(81% 0.108 18.3)

  5. Step 400

    400

    #F96C77

    oklch(70.7% 0.173 17.9)

  6. Step 500

    500

    #F13554

    oklch(63% 0.221 18)

  7. Step 600

    600

    #D6003E

    oklch(55.5% 0.222 18)

  8. Step 700

    700

    #B50033

    oklch(49% 0.196 18)

  9. Step 800

    800

    #960029

    oklch(42.7% 0.171 17.8)

  10. Step 900

    900

    #7C0923

    oklch(37.7% 0.144 17.7)

  11. Step 950

    950 (this color)

    #3D000B

    oklch(22.8% 0.091 18)

Export this scale for Tailwind in the Tailwind colors tool

#3D000B 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)#13110B0.102
Deuteranopia (no green cones)#221E090.093
Tritanopia (no blue cones)#4400040.021
Achromatopsia (no color)#1A1A1A0.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #3D000B

    #3D000B

    oklch(22.8% 0.091 18)

  • #002223

    #002223

    oklch(22.9% 0.039 197.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3D000B

    #3D000B

    oklch(22.8% 0.091 18)

  • #380224

    #380224

    oklch(22.8% 0.092 347.8)

  • #331100

    #331100

    oklch(22.9% 0.063 47.6)

Open the analogous palette in the generator

Split complementary

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

  • #3D000B

    #3D000B

    oklch(22.8% 0.091 18)

  • #002318

    #002318

    oklch(22.7% 0.046 167.8)

  • #00202D

    #00202D

    oklch(22.8% 0.045 229)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3D000B

    #3D000B

    oklch(22.8% 0.091 18)

  • #092400

    #092400

    oklch(23% 0.071 137.8)

  • #001A43

    #001A43

    oklch(22.8% 0.085 258.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3D000B

    #3D000B

    oklch(22.8% 0.091 18)

  • #1F1E00

    #1F1E00

    oklch(22.9% 0.049 108)

  • #002223

    #002223

    oklch(22.9% 0.039 197.6)

  • #1D1044

    #1D1044

    oklch(22.9% 0.092 288.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3D000B, closest first.

Similar named colors

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

Use #3D000B 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.