#3F150C

Closest named color: Chocolate Brown (#411900). oklch(26.1% 0.068 33.7), rgb(63, 21, 12).

Aa

White text reads best on this color (15.86:1).

About this color

#3F150C is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.068 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.021 away. White text reads best on it, at 15.86:1.

Hue familyReds
Lightnessdark (26%)
Chromamuted (0.068)
Temperaturewarm
Nearest nameChocolate Brown (#411900)
Black text1.32:1
White text15.86:1

Values

HEX#3F150C
RGBrgb(63, 21, 12)
HSLhsl(11, 68%, 15%)
OKLCHoklch(26.1% 0.068 33.7)

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 #3F150C 15.86:1 AAA Lc -105.1 Preferred for body text
Black text on #3F150C 1.32:1 Fails Lc 0.0 Not readable
#3F150C text on white 15.86:1 AAA Lc 102.4 Preferred for body text
#3F150C text on black 1.32:1 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

    #F9E5E0

    oklch(93.7% 0.023 34.3)

  3. Step 200

    200

    #F5CFC6

    oklch(88.4% 0.045 33.5)

  4. Step 300

    300

    #F0AE9F

    oklch(80.9% 0.081 33.2)

  5. Step 400

    400

    #E5816A

    oklch(70.8% 0.128 33.9)

  6. Step 500

    500

    #DB5C41

    oklch(63.2% 0.165 33.6)

  7. Step 600

    600

    #C63C1E

    oklch(55.6% 0.18 33.7)

  8. Step 700

    700

    #AB2D0F

    oklch(49.2% 0.167 33.9)

  9. Step 800

    800

    #8B2711

    oklch(42.8% 0.139 33.7)

  10. Step 900

    900

    #6F2616

    oklch(37.6% 0.107 33.9)

  11. Step 950

    950 (this color)

    #3F150C

    oklch(26.1% 0.068 33.7)

Export this scale for Tailwind in the Tailwind colors tool

#3F150C 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)#201D0B0.070
Deuteranopia (no green cones)#2B260B0.064
Tritanopia (no blue cones)#460C130.027
Achromatopsia (no color)#2222220.069

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F150C

    #3F150C

    oklch(26.1% 0.068 33.7)

  • #002A31

    #002A31

    oklch(26.2% 0.045 211.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F150C

    #3F150C

    oklch(26.1% 0.068 33.7)

  • #3E1320

    #3E1320

    oklch(26.1% 0.069 4.4)

  • #381D00

    #381D00

    oklch(26.2% 0.059 63.7)

Open the analogous palette in the generator

Split complementary

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

  • #3F150C

    #3F150C

    oklch(26.1% 0.068 33.7)

  • #002B26

    #002B26

    oklch(26% 0.046 183.1)

  • #002740

    #002740

    oklch(26.2% 0.063 242.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F150C

    #3F150C

    oklch(26.1% 0.068 33.7)

  • #002D14

    #002D14

    oklch(26.1% 0.066 153.5)

  • #1A2045

    #1A2045

    oklch(26% 0.069 273.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F150C

    #3F150C

    oklch(26.1% 0.068 33.7)

  • #1E2900

    #1E2900

    oklch(26.1% 0.065 123.7)

  • #002A31

    #002A31

    oklch(26.2% 0.045 211.6)

  • #2B1A3F

    #2B1A3F

    oklch(26% 0.069 303.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F150C, closest first.

Similar named colors

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

Use #3F150C 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.