#3B101C

Closest named color: Dark Maroon (#3C0008). oklch(24.9% 0.069 6.4), rgb(59, 16, 28).

Aa

White text reads best on this color (16.44:1).

About this color

#3B101C is a very dark, muted red. In OKLCH its lightness is 25%, its chroma 0.069 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.038 away. White text reads best on it, at 16.44:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamuted (0.069)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.27:1
White text16.44:1

Values

HEX#3B101C
RGBrgb(59, 16, 28)
HSLhsl(343, 57%, 15%)
OKLCHoklch(24.9% 0.069 6.4)

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 #3B101C 16.44:1 AAA Lc -105.5 Preferred for body text
Black text on #3B101C 1.27:1 Fails Lc 0.0 Not readable
#3B101C text on white 16.44:1 AAA Lc 103.0 Preferred for body text
#3B101C text on black 1.27:1 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

    #FCF3F4

    oklch(97.1% 0.01 9.5)

  2. Step 100

    100

    #F9E4E7

    oklch(93.7% 0.023 7.7)

  3. Step 200

    200

    #F5CDD4

    oklch(88.4% 0.046 6.2)

  4. Step 300

    300

    #EFABB8

    oklch(80.9% 0.081 6.4)

  5. Step 400

    400

    #E47C93

    oklch(70.8% 0.13 6.8)

  6. Step 500

    500

    #D85679

    oklch(63.1% 0.165 6.5)

  7. Step 600

    600

    #C43562

    oklch(55.7% 0.181 6.6)

  8. Step 700

    700

    #A82651

    oklch(49.1% 0.167 6.5)

  9. Step 800

    800

    #892243

    oklch(42.8% 0.139 6.2)

  10. Step 900

    900

    #6E2238

    oklch(37.6% 0.109 6.3)

  11. Step 950

    950 (this color)

    #3B101C

    oklch(24.9% 0.069 6.4)

Export this scale for Tailwind in the Tailwind colors tool

#3B101C 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)#191A1C0.076
Deuteranopia (no green cones)#24221B0.069
Tritanopia (no blue cones)#410A150.018
Achromatopsia (no color)#1F1F1F0.069

Harmonies

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

Complementary

The opposite hue (180°).

  • #3B101C

    #3B101C

    oklch(24.9% 0.069 6.4)

  • #002825

    #002825

    oklch(24.9% 0.043 187.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3B101C

    #3B101C

    oklch(24.9% 0.069 6.4)

  • #35122D

    #35122D

    oklch(24.9% 0.069 337.2)

  • #3C1207

    #3C1207

    oklch(24.9% 0.069 35.9)

Open the analogous palette in the generator

Split complementary

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

  • #3B101C

    #3B101C

    oklch(24.9% 0.069 6.4)

  • #002A15

    #002A15

    oklch(25.1% 0.061 156.2)

  • #00262F

    #00262F

    oklch(24.8% 0.044 217.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3B101C

    #3B101C

    oklch(24.9% 0.069 6.4)

  • #192600

    #192600

    oklch(24.7% 0.063 126.5)

  • #00233E

    #00233E

    oklch(24.9% 0.065 246.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3B101C

    #3B101C

    oklch(24.9% 0.069 6.4)

  • #292100

    #292100

    oklch(25% 0.051 95.7)

  • #002825

    #002825

    oklch(24.9% 0.043 187.3)

  • #191D41

    #191D41

    oklch(24.9% 0.067 275.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3B101C, closest first.

Similar named colors

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

Use #3B101C 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.