#3F0A22

Closest named color: Dark Plum (#3F012C). oklch(25.1% 0.084 357.7), rgb(63, 10, 34).

Aa

White text reads best on this color (16.43:1).

About this color

#3F0A22 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.084 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.029 away. White text reads best on it, at 16.43:1.

Hue familyReds
Lightnessdark (25%)
Chromamoderately saturated (0.084)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.27:1
White text16.43:1

Values

HEX#3F0A22
RGBrgb(63, 10, 34)
HSLhsl(333, 73%, 14%)
OKLCHoklch(25.1% 0.084 357.7)

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 #3F0A22 16.43:1 AAA Lc -105.4 Preferred for body text
Black text on #3F0A22 1.27:1 Fails Lc 0.0 Not readable
#3F0A22 text on white 16.43:1 AAA Lc 102.8 Preferred for body text
#3F0A22 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

    #FEF2F5

    oklch(97.1% 0.013 0.3)

  2. Step 100

    100

    #FBE2EA

    oklch(93.5% 0.029 356.3)

  3. Step 200

    200

    #F9CBD9

    oklch(88.6% 0.055 358.1)

  4. Step 300

    300

    #F6A6C1

    oklch(81% 0.1 357.7)

  5. Step 400

    400

    #ED71A1

    oklch(70.8% 0.16 357.6)

  6. Step 500

    500

    #E3438A

    oklch(63.2% 0.204 357.7)

  7. Step 600

    600

    #CE0D73

    oklch(55.7% 0.222 357.9)

  8. Step 700

    700

    #AF0061

    oklch(49% 0.2 357.5)

  9. Step 800

    800

    #90054F

    oklch(42.7% 0.171 357.7)

  10. Step 900

    900

    #741542

    oklch(37.7% 0.134 357.4)

  11. Step 950

    950 (this color)

    #3F0A22

    oklch(25.1% 0.084 357.7)

Export this scale for Tailwind in the Tailwind colors tool

#3F0A22 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)#1519230.095
Deuteranopia (no green cones)#2423210.084
Tritanopia (no blue cones)#4504140.027
Achromatopsia (no color)#1F1F1F0.085

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0A22

    #3F0A22

    oklch(25.1% 0.084 357.7)

  • #002922

    #002922

    oklch(25.1% 0.046 178.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0A22

    #3F0A22

    oklch(25.1% 0.084 357.7)

  • #360F36

    #360F36

    oklch(25.1% 0.084 327.7)

  • #420B08

    #420B08

    oklch(25.2% 0.084 28.1)

Open the analogous palette in the generator

Split complementary

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

  • #3F0A22

    #3F0A22

    oklch(25.1% 0.084 357.7)

  • #002B0B

    #002B0B

    oklch(25.2% 0.073 147.9)

  • #00282D

    #00282D

    oklch(25.3% 0.043 207.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0A22

    #3F0A22

    oklch(25.1% 0.084 357.7)

  • #202500

    #202500

    oklch(25.1% 0.058 117.1)

  • #002539

    #002539

    oklch(25.1% 0.055 237.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0A22

    #3F0A22

    oklch(25.1% 0.084 357.7)

  • #2C2000

    #2C2000

    oklch(25.1% 0.051 88.2)

  • #002922

    #002922

    oklch(25.1% 0.046 178.2)

  • #111D4A

    #111D4A

    oklch(25.1% 0.085 268.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0A22, closest first.

Similar named colors

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

Use #3F0A22 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.