#3F0E13

Closest named color: Deep Brown (#410200). oklch(25.1% 0.076 18.8), rgb(63, 14, 19).

Aa

White text reads best on this color (16.36:1).

About this color

#3F0E13 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.076 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.029 away. White text reads best on it, at 16.36:1.

Hue familyReds
Lightnessdark (25%)
Chromamoderately saturated (0.076)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.28:1
White text16.36:1

Values

HEX#3F0E13
RGBrgb(63, 14, 19)
HSLhsl(354, 64%, 15%)
OKLCHoklch(25.1% 0.076 18.8)

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 #3F0E13 16.36:1 AAA Lc -105.4 Preferred for body text
Black text on #3F0E13 1.28:1 Fails Lc 0.0 Not readable
#3F0E13 text on white 16.36:1 AAA Lc 102.8 Preferred for body text
#3F0E13 text on black 1.28:1 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

    #FBE3E3

    oklch(93.5% 0.026 17.6)

  3. Step 200

    200

    #F9CDCC

    oklch(88.6% 0.05 19.7)

  4. Step 300

    300

    #F5A9AA

    oklch(80.8% 0.09 18.4)

  5. Step 400

    400

    #EC787D

    oklch(70.7% 0.143 18.7)

  6. Step 500

    500

    #E34E5C

    oklch(63.1% 0.184 18.8)

  7. Step 600

    600

    #CE2742

    oklch(55.6% 0.2 18.9)

  8. Step 700

    700

    #B21634

    oklch(49.2% 0.186 18.9)

  9. Step 800

    800

    #90182C

    oklch(42.7% 0.153 18.6)

  10. Step 900

    900

    #741D27

    oklch(37.7% 0.12 18.9)

  11. Step 950

    950 (this color)

    #3F0E13

    oklch(25.1% 0.076 18.8)

Export this scale for Tailwind in the Tailwind colors tool

#3F0E13 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)#1B19130.082
Deuteranopia (no green cones)#2723120.075
Tritanopia (no blue cones)#4604100.020
Achromatopsia (no color)#2020200.076

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0E13

    #3F0E13

    oklch(25.1% 0.076 18.8)

  • #00282A

    #00282A

    oklch(25.2% 0.043 199.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0E13

    #3F0E13

    oklch(25.1% 0.076 18.8)

  • #3B0F28

    #3B0F28

    oklch(25.2% 0.076 348.8)

  • #3B1500

    #3B1500

    oklch(25.1% 0.069 47.9)

Open the analogous palette in the generator

Split complementary

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

  • #3F0E13

    #3F0E13

    oklch(25.1% 0.076 18.8)

  • #00291E

    #00291E

    oklch(25% 0.049 170.2)

  • #002635

    #002635

    oklch(25.1% 0.05 229.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0E13

    #3F0E13

    oklch(25.1% 0.076 18.8)

  • #0B2A02

    #0B2A02

    oklch(25.2% 0.075 139)

  • #082145

    #082145

    oklch(25.2% 0.074 258.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0E13

    #3F0E13

    oklch(25.1% 0.076 18.8)

  • #242400

    #242400

    oklch(25.2% 0.055 109.8)

  • #00282A

    #00282A

    oklch(25.2% 0.043 199.9)

  • #221A43

    #221A43

    oklch(25.2% 0.074 288.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0E13, closest first.

Similar named colors

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

Use #3F0E13 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.