#3F0204

Closest named color: Deep Brown (#410200). oklch(23.4% 0.091 26.2), rgb(63, 2, 4).

Aa

White text reads best on this color (17.18:1).

About this color

#3F0204 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.091 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.008 away. White text reads best on it, at 17.18:1.

Hue familyReds
Lightnessvery dark (23%)
Chromamoderately saturated (0.091)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.22:1
White text17.18:1

Values

HEX#3F0204
RGBrgb(63, 2, 4)
HSLhsl(358, 94%, 13%)
OKLCHoklch(23.4% 0.091 26.2)

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 #3F0204 17.18:1 AAA Lc -105.6 Preferred for body text
Black text on #3F0204 1.22:1 Fails Lc 0.0 Not readable
#3F0204 text on white 17.18:1 AAA Lc 103.1 Preferred for body text
#3F0204 text on black 1.22:1 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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FEE2DF

    oklch(93.5% 0.031 25)

  3. Step 200

    200

    #FFCBC4

    oklch(88.6% 0.06 27.2)

  4. Step 300

    300

    #FFA59C

    oklch(80.9% 0.108 25.9)

  5. Step 400

    400

    #FA6E65

    oklch(70.7% 0.173 26.1)

  6. Step 500

    500

    #F23839

    oklch(63% 0.221 26.1)

  7. Step 600

    600

    #D8001C

    oklch(55.5% 0.226 26.3)

  8. Step 700

    700

    #B70016

    oklch(49.1% 0.2 26.3)

  9. Step 800

    800

    #980010

    oklch(42.8% 0.174 26.3)

  10. Step 900

    900

    #7D0C11

    oklch(37.8% 0.145 26.3)

  11. Step 950

    950 (this color)

    #3F0204

    oklch(23.4% 0.091 26.2)

Export this scale for Tailwind in the Tailwind colors tool

#3F0204 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)#1613030.101
Deuteranopia (no green cones)#2520020.091
Tritanopia (no blue cones)#4700030.019
Achromatopsia (no color)#1B1B1B0.092

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0204

    #3F0204

    oklch(23.4% 0.091 26.2)

  • #002327

    #002327

    oklch(23.4% 0.04 205.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0204

    #3F0204

    oklch(23.4% 0.091 26.2)

  • #3C021F

    #3C021F

    oklch(23.5% 0.092 356.5)

  • #311500

    #311500

    oklch(23.3% 0.057 56.2)

Open the analogous palette in the generator

Split complementary

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

  • #3F0204

    #3F0204

    oklch(23.4% 0.091 26.2)

  • #00241D

    #00241D

    oklch(23.3% 0.043 176.7)

  • #002132

    #002132

    oklch(23.4% 0.05 235.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0204

    #3F0204

    oklch(23.4% 0.091 26.2)

  • #002606

    #002606

    oklch(23.4% 0.071 146.1)

  • #0A1848

    #0A1848

    oklch(23.4% 0.092 266.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0204

    #3F0204

    oklch(23.4% 0.091 26.2)

  • #1D2100

    #1D2100

    oklch(23.5% 0.054 116.2)

  • #002327

    #002327

    oklch(23.4% 0.04 205.9)

  • #231043

    #231043

    oklch(23.5% 0.091 295.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0204, closest first.

Similar named colors

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

Use #3F0204 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.