#3F0F22

Closest named color: Dark Plum (#3F012C). oklch(25.7% 0.077 359.8), rgb(63, 15, 34).

Aa

White text reads best on this color (16.11:1).

About this color

#3F0F22 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.077 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.037 away. White text reads best on it, at 16.11:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.077)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.30:1
White text16.11:1

Values

HEX#3F0F22
RGBrgb(63, 15, 34)
HSLhsl(336, 62%, 15%)
OKLCHoklch(25.7% 0.077 359.8)

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 #3F0F22 16.11:1 AAA Lc -105.2 Preferred for body text
Black text on #3F0F22 1.30:1 Fails Lc 0.0 Not readable
#3F0F22 text on white 16.11:1 AAA Lc 102.6 Preferred for body text
#3F0F22 text on black 1.30:1 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

    #F7CCD8

    oklch(88.6% 0.051 359.6)

  4. Step 300

    300

    #F2A8BE

    oklch(80.9% 0.091 359.9)

  5. Step 400

    400

    #E8769D

    oklch(70.7% 0.146 359.8)

  6. Step 500

    500

    #DD4C85

    oklch(63% 0.187 359.8)

  7. Step 600

    600

    #C8256F

    oklch(55.5% 0.203 359.6)

  8. Step 700

    700

    #AD145D

    oklch(49.2% 0.189 359.7)

  9. Step 800

    800

    #8C164C

    oklch(42.6% 0.156 359.5)

  10. Step 900

    900

    #711C3F

    oklch(37.7% 0.122 359.9)

  11. Step 950

    950 (this color)

    #3F0F22

    oklch(25.7% 0.077 359.8)

Export this scale for Tailwind in the Tailwind colors tool

#3F0F22 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)#181B230.086
Deuteranopia (no green cones)#2524210.078
Tritanopia (no blue cones)#450A170.023
Achromatopsia (no color)#2121210.078

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0F22

    #3F0F22

    oklch(25.7% 0.077 359.8)

  • #002B24

    #002B24

    oklch(25.9% 0.047 178.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0F22

    #3F0F22

    oklch(25.7% 0.077 359.8)

  • #371335

    #371335

    oklch(25.8% 0.077 329.7)

  • #41100B

    #41100B

    oklch(25.7% 0.077 29.2)

Open the analogous palette in the generator

Split complementary

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

  • #3F0F22

    #3F0F22

    oklch(25.7% 0.077 359.8)

  • #002C0F

    #002C0F

    oklch(25.6% 0.07 150)

  • #00292F

    #00292F

    oklch(25.7% 0.044 209.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0F22

    #3F0F22

    oklch(25.7% 0.077 359.8)

  • #202700

    #202700

    oklch(25.7% 0.061 119.4)

  • #00263D

    #00263D

    oklch(25.7% 0.06 240.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0F22

    #3F0F22

    oklch(25.7% 0.077 359.8)

  • #2D2200

    #2D2200

    oklch(25.8% 0.053 90.8)

  • #002B24

    #002B24

    oklch(25.9% 0.047 178.8)

  • #151F48

    #151F48

    oklch(25.7% 0.077 269.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0F22, closest first.

Similar named colors

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

Use #3F0F22 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.