#3F110A

Closest named color: Deep Brown (#410200). oklch(25.4% 0.074 31.2), rgb(63, 17, 10).

Aa

White text reads best on this color (16.20:1).

About this color

#3F110A is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.074 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.026 away. White text reads best on it, at 16.20:1.

Hue familyReds
Lightnessdark (25%)
Chromamoderately saturated (0.074)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.29:1
White text16.20:1

Values

HEX#3F110A
RGBrgb(63, 17, 10)
HSLhsl(8, 73%, 14%)
OKLCHoklch(25.4% 0.074 31.2)

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 #3F110A 16.20:1 AAA Lc -105.3 Preferred for body text
Black text on #3F110A 1.29:1 Fails Lc 0.0 Not readable
#3F110A text on white 16.20:1 AAA Lc 102.7 Preferred for body text
#3F110A text on black 1.29:1 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FAE4E0

    oklch(93.6% 0.025 29.9)

  3. Step 200

    200

    #F8CEC6

    oklch(88.5% 0.049 30.7)

  4. Step 300

    300

    #F4AC9E

    oklch(80.9% 0.088 31.3)

  5. Step 400

    400

    #EA7C69

    oklch(70.6% 0.14 31.1)

  6. Step 500

    500

    #E05540

    oklch(63% 0.178 31.1)

  7. Step 600

    600

    #CC321C

    oklch(55.6% 0.194 31.3)

  8. Step 700

    700

    #B0220E

    oklch(49.2% 0.18 31.2)

  9. Step 800

    800

    #8F2010

    oklch(42.8% 0.149 31.4)

  10. Step 900

    900

    #732216

    oklch(37.8% 0.116 31.3)

  11. Step 950

    950 (this color)

    #3F110A

    oklch(25.4% 0.074 31.2)

Export this scale for Tailwind in the Tailwind colors tool

#3F110A 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)#1E1A090.076
Deuteranopia (no green cones)#2924090.070
Tritanopia (no blue cones)#4606100.027
Achromatopsia (no color)#2020200.074

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F110A

    #3F110A

    oklch(25.4% 0.074 31.2)

  • #00282F

    #00282F

    oklch(25.4% 0.044 212.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F110A

    #3F110A

    oklch(25.4% 0.074 31.2)

  • #3D0F20

    #3D0F20

    oklch(25.3% 0.074 1.2)

  • #361B00

    #361B00

    oklch(25.4% 0.058 62.2)

Open the analogous palette in the generator

Split complementary

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

  • #3F110A

    #3F110A

    oklch(25.4% 0.074 31.2)

  • #002A24

    #002A24

    oklch(25.5% 0.046 180.7)

  • #00253C

    #00253C

    oklch(25.3% 0.059 241.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F110A

    #3F110A

    oklch(25.4% 0.074 31.2)

  • #002B10

    #002B10

    oklch(25.3% 0.068 151.1)

  • #161E45

    #161E45

    oklch(25.2% 0.074 271.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F110A

    #3F110A

    oklch(25.4% 0.074 31.2)

  • #1E2700

    #1E2700

    oklch(25.5% 0.062 121.9)

  • #00282F

    #00282F

    oklch(25.4% 0.044 212.2)

  • #291840

    #291840

    oklch(25.4% 0.074 300.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F110A, closest first.

Similar named colors

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

Use #3F110A 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.