#3F0A0E

Closest named color: Deep Brown (#410200). oklch(24.5% 0.081 21.7), rgb(63, 10, 14).

Aa

White text reads best on this color (16.65:1).

About this color

#3F0A0E is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.081 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.020 away. White text reads best on it, at 16.65:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamoderately saturated (0.081)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.26:1
White text16.65:1

Values

HEX#3F0A0E
RGBrgb(63, 10, 14)
HSLhsl(355, 73%, 14%)
OKLCHoklch(24.5% 0.081 21.7)

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 #3F0A0E 16.65:1 AAA Lc -105.5 Preferred for body text
Black text on #3F0A0E 1.26:1 Fails Lc 0.0 Not readable
#3F0A0E text on white 16.65:1 AAA Lc 102.9 Preferred for body text
#3F0A0E text on black 1.26:1 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E2

    oklch(93.6% 0.028 20.4)

  3. Step 200

    200

    #FBCCCA

    oklch(88.5% 0.054 21.1)

  4. Step 300

    300

    #F9A8A5

    oklch(80.9% 0.096 21.7)

  5. Step 400

    400

    #F17575

    oklch(70.7% 0.153 21.7)

  6. Step 500

    500

    #E84851

    oklch(63.1% 0.196 21.8)

  7. Step 600

    600

    #D31936

    oklch(55.6% 0.213 21.5)

  8. Step 700

    700

    #B60028

    oklch(49% 0.197 21.7)

  9. Step 800

    800

    #940D22

    oklch(42.7% 0.164 21.8)

  10. Step 900

    900

    #771921

    oklch(37.7% 0.128 21.6)

  11. Step 950

    950 (this color)

    #3F0A0E

    oklch(24.5% 0.081 21.7)

Export this scale for Tailwind in the Tailwind colors tool

#3F0A0E 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)#19170E0.089
Deuteranopia (no green cones)#27220C0.080
Tritanopia (no blue cones)#46000C0.020
Achromatopsia (no color)#1E1E1E0.082

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0A0E

    #3F0A0E

    oklch(24.5% 0.081 21.7)

  • #002629

    #002629

    oklch(24.5% 0.042 202.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0A0E

    #3F0A0E

    oklch(24.5% 0.081 21.7)

  • #3B0B25

    #3B0B25

    oklch(24.6% 0.081 351.4)

  • #371600

    #371600

    oklch(24.6% 0.063 52.3)

Open the analogous palette in the generator

Split complementary

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

  • #3F0A0E

    #3F0A0E

    oklch(24.5% 0.081 21.7)

  • #00281E

    #00281E

    oklch(24.7% 0.048 171.7)

  • #002434

    #002434

    oklch(24.5% 0.05 232.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0A0E

    #3F0A0E

    oklch(24.5% 0.081 21.7)

  • #032900

    #032900

    oklch(24.5% 0.081 141.3)

  • #091E46

    #091E46

    oklch(24.6% 0.08 261.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0A0E

    #3F0A0E

    oklch(24.5% 0.081 21.7)

  • #222300

    #222300

    oklch(24.7% 0.054 111.4)

  • #002629

    #002629

    oklch(24.5% 0.042 202.7)

  • #221643

    #221643

    oklch(24.4% 0.081 291.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0A0E, closest first.

Similar named colors

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

Use #3F0A0E 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.