#3F050D

Closest named color: Dark Maroon (#3C0008). oklch(23.9% 0.087 19.6), rgb(63, 5, 13).

Aa

White text reads best on this color (16.95:1).

About this color

#3F050D is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.087 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.015 away. White text reads best on it, at 16.95:1.

Hue familyReds
Lightnessvery dark (24%)
Chromamoderately saturated (0.087)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.23:1
White text16.95:1

Values

HEX#3F050D
RGBrgb(63, 5, 13)
HSLhsl(352, 85%, 13%)
OKLCHoklch(23.9% 0.087 19.6)

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 #3F050D 16.95:1 AAA Lc -105.6 Preferred for body text
Black text on #3F050D 1.23:1 Fails Lc 0.0 Not readable
#3F050D text on white 16.95:1 AAA Lc 103.0 Preferred for body text
#3F050D text on black 1.23:1 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

    #FDE2E2

    oklch(93.5% 0.03 17.7)

  3. Step 200

    200

    #FDCBCA

    oklch(88.5% 0.057 19.6)

  4. Step 300

    300

    #FCA6A6

    oklch(81% 0.102 19.5)

  5. Step 400

    400

    #F67076

    oklch(70.7% 0.165 19.5)

  6. Step 500

    500

    #ED3E52

    oklch(63% 0.21 19.7)

  7. Step 600

    600

    #D70039

    oklch(55.6% 0.223 19.6)

  8. Step 700

    700

    #B6002F

    oklch(49.1% 0.197 19.5)

  9. Step 800

    800

    #960025

    oklch(42.6% 0.171 19.5)

  10. Step 900

    900

    #7A1122

    oklch(37.7% 0.137 19.3)

  11. Step 950

    950 (this color)

    #3F050D

    oklch(23.9% 0.087 19.6)

Export this scale for Tailwind in the Tailwind colors tool

#3F050D 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)#17150D0.095
Deuteranopia (no green cones)#25210B0.088
Tritanopia (no blue cones)#4600080.017
Achromatopsia (no color)#1C1C1C0.088

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F050D

    #3F050D

    oklch(23.9% 0.087 19.6)

  • #002527

    #002527

    oklch(24% 0.041 200.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F050D

    #3F050D

    oklch(23.9% 0.087 19.6)

  • #3A0625

    #3A0625

    oklch(23.8% 0.087 349.2)

  • #361400

    #361400

    oklch(24% 0.063 50)

Open the analogous palette in the generator

Split complementary

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

  • #3F050D

    #3F050D

    oklch(23.9% 0.087 19.6)

  • #00261B

    #00261B

    oklch(23.9% 0.048 169.1)

  • #002331

    #002331

    oklch(24% 0.047 229.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F050D

    #3F050D

    oklch(23.9% 0.087 19.6)

  • #062700

    #062700

    oklch(23.9% 0.077 139.8)

  • #031C47

    #031C47

    oklch(23.9% 0.087 259.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F050D

    #3F050D

    oklch(23.9% 0.087 19.6)

  • #212100

    #212100

    oklch(24% 0.052 109.8)

  • #002527

    #002527

    oklch(24% 0.041 200.2)

  • #201444

    #201444

    oklch(23.9% 0.086 289.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F050D, closest first.

Similar named colors

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

Use #3F050D 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.