#3F0506

Closest named color: Deep Brown (#410200). oklch(23.8% 0.088 26.1), rgb(63, 5, 6).

Aa

White text reads best on this color (16.99:1).

About this color

#3F0506 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.088 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.010 away. White text reads best on it, at 16.99:1.

Hue familyReds
Lightnessvery dark (24%)
Chromamoderately saturated (0.088)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.23:1
White text16.99:1

Values

HEX#3F0506
RGBrgb(63, 5, 6)
HSLhsl(359, 85%, 13%)
OKLCHoklch(23.8% 0.088 26.1)

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 #3F0506 16.99:1 AAA Lc -105.6 Preferred for body text
Black text on #3F0506 1.23:1 Fails Lc 0.0 Not readable
#3F0506 text on white 16.99:1 AAA Lc 103.0 Preferred for body text
#3F0506 text on black 1.23:1 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FEE3DF

    oklch(93.7% 0.03 27.8)

  3. Step 200

    200

    #FDCBC5

    oklch(88.4% 0.058 26.2)

  4. Step 300

    300

    #FDA69D

    oklch(80.9% 0.105 26.1)

  5. Step 400

    400

    #F77168

    oklch(70.8% 0.166 26)

  6. Step 500

    500

    #EE3F3E

    oklch(63% 0.212 26)

  7. Step 600

    600

    #D8001D

    oklch(55.5% 0.226 26.1)

  8. Step 700

    700

    #B70017

    oklch(49.1% 0.199 26.1)

  9. Step 800

    800

    #980011

    oklch(42.8% 0.174 26.1)

  10. Step 900

    900

    #7B1215

    oklch(37.8% 0.139 26)

  11. Step 950

    950 (this color)

    #3F0506

    oklch(23.8% 0.088 26.1)

Export this scale for Tailwind in the Tailwind colors tool

#3F0506 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)#1714050.096
Deuteranopia (no green cones)#2621040.087
Tritanopia (no blue cones)#4600060.017
Achromatopsia (no color)#1C1C1C0.088

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0506

    #3F0506

    oklch(23.8% 0.088 26.1)

  • #002428

    #002428

    oklch(23.8% 0.041 205.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0506

    #3F0506

    oklch(23.8% 0.088 26.1)

  • #3C0520

    #3C0520

    oklch(23.9% 0.088 356.3)

  • #331600

    #331600

    oklch(23.8% 0.058 56)

Open the analogous palette in the generator

Split complementary

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

  • #3F0506

    #3F0506

    oklch(23.8% 0.088 26.1)

  • #00261E

    #00261E

    oklch(24% 0.045 175.1)

  • #002234

    #002234

    oklch(23.9% 0.052 236.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0506

    #3F0506

    oklch(23.8% 0.088 26.1)

  • #002706

    #002706

    oklch(23.7% 0.073 145.9)

  • #0B1A47

    #0B1A47

    oklch(23.8% 0.087 265.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0506

    #3F0506

    oklch(23.8% 0.088 26.1)

  • #1E2200

    #1E2200

    oklch(24% 0.055 116)

  • #002428

    #002428

    oklch(23.8% 0.041 205.7)

  • #241242

    #241242

    oklch(23.8% 0.086 296.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0506, closest first.

Similar named colors

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

Use #3F0506 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.