#3F111B

Closest named color: Dark Maroon (#3C0008). oklch(25.8% 0.072 10.6), rgb(63, 17, 27).

Aa

White text reads best on this color (16.06:1).

About this color

#3F111B is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.072 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.040 away. White text reads best on it, at 16.06:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.072)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.30:1
White text16.06:1

Values

HEX#3F111B
RGBrgb(63, 17, 27)
HSLhsl(347, 58%, 16%)
OKLCHoklch(25.8% 0.072 10.6)

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 #3F111B 16.06:1 AAA Lc -105.2 Preferred for body text
Black text on #3F111B 1.30:1 Fails Lc 0.0 Not readable
#3F111B text on white 16.06:1 AAA Lc 102.6 Preferred for body text
#3F111B 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

    #FDF2F3

    oklch(97% 0.012 11)

  2. Step 100

    100

    #FAE4E6

    oklch(93.7% 0.024 11.3)

  3. Step 200

    200

    #F7CDD2

    oklch(88.6% 0.048 10)

  4. Step 300

    300

    #F2AAB3

    oklch(80.9% 0.085 10.9)

  5. Step 400

    400

    #E87A8C

    oklch(70.8% 0.136 10.8)

  6. Step 500

    500

    #DD5270

    oklch(63.1% 0.174 10.5)

  7. Step 600

    600

    #C82F58

    oklch(55.6% 0.189 10.7)

  8. Step 700

    700

    #AD1F48

    oklch(49.2% 0.176 10.8)

  9. Step 800

    800

    #8C1D3B

    oklch(42.6% 0.146 10.7)

  10. Step 900

    900

    #712033

    oklch(37.8% 0.114 10.6)

  11. Step 950

    950 (this color)

    #3F111B

    oklch(25.8% 0.072 10.6)

Export this scale for Tailwind in the Tailwind colors tool

#3F111B 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)#1B1B1B0.080
Deuteranopia (no green cones)#27251A0.074
Tritanopia (no blue cones)#450A150.017
Achromatopsia (no color)#2121210.073

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F111B

    #3F111B

    oklch(25.8% 0.072 10.6)

  • #002A28

    #002A28

    oklch(25.7% 0.044 189.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F111B

    #3F111B

    oklch(25.8% 0.072 10.6)

  • #39132E

    #39132E

    oklch(25.8% 0.072 340.2)

  • #3F1404

    #3F1404

    oklch(25.8% 0.072 40.3)

Open the analogous palette in the generator

Split complementary

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

  • #3F111B

    #3F111B

    oklch(25.8% 0.072 10.6)

  • #002C1A

    #002C1A

    oklch(25.9% 0.058 160.6)

  • #002833

    #002833

    oklch(25.6% 0.047 221)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F111B

    #3F111B

    oklch(25.8% 0.072 10.6)

  • #172A00

    #172A00

    oklch(25.9% 0.071 130.9)

  • #012444

    #012444

    oklch(25.7% 0.072 250.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F111B

    #3F111B

    oklch(25.8% 0.072 10.6)

  • #292400

    #292400

    oklch(25.8% 0.054 101.6)

  • #002A28

    #002A28

    oklch(25.7% 0.044 189.9)

  • #1E1E45

    #1E1E45

    oklch(25.9% 0.071 280.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F111B, closest first.

Similar named colors

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

Use #3F111B 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.