#3F0B1A

Closest named color: Dark Maroon (#3C0008). oklch(25% 0.08 8.1), rgb(63, 11, 26).

Aa

White text reads best on this color (16.48:1).

About this color

#3F0B1A is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.080 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.032 away. White text reads best on it, at 16.48:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamoderately saturated (0.080)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.27:1
White text16.48:1

Values

HEX#3F0B1A
RGBrgb(63, 11, 26)
HSLhsl(343, 70%, 15%)
OKLCHoklch(25% 0.08 8.1)

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 #3F0B1A 16.48:1 AAA Lc -105.4 Preferred for body text
Black text on #3F0B1A 1.27:1 Fails Lc 0.0 Not readable
#3F0B1A text on white 16.48:1 AAA Lc 102.8 Preferred for body text
#3F0B1A text on black 1.27:1 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

    #FEF2F4

    oklch(97.1% 0.013 5.8)

  2. Step 100

    100

    #FBE3E6

    oklch(93.6% 0.027 9)

  3. Step 200

    200

    #F9CBD2

    oklch(88.4% 0.053 7.9)

  4. Step 300

    300

    #F6A7B5

    oklch(80.9% 0.095 7.8)

  5. Step 400

    400

    #EE748E

    oklch(70.8% 0.152 8.3)

  6. Step 500

    500

    #E44773

    oklch(63.1% 0.194 7.9)

  7. Step 600

    600

    #CF195B

    oklch(55.5% 0.211 8.1)

  8. Step 700

    700

    #B3004B

    oklch(49.1% 0.197 8.1)

  9. Step 800

    800

    #910D3D

    oklch(42.6% 0.163 8.3)

  10. Step 900

    900

    #751834

    oklch(37.7% 0.127 8.3)

  11. Step 950

    950 (this color)

    #3F0B1A

    oklch(25% 0.08 8.1)

Export this scale for Tailwind in the Tailwind colors tool

#3F0B1A 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)#18181A0.089
Deuteranopia (no green cones)#2523190.082
Tritanopia (no blue cones)#4502110.020
Achromatopsia (no color)#1F1F1F0.081

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0B1A

    #3F0B1A

    oklch(25% 0.08 8.1)

  • #002825

    #002825

    oklch(24.9% 0.043 187.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0B1A

    #3F0B1A

    oklch(25% 0.08 8.1)

  • #380E2F

    #380E2F

    oklch(24.9% 0.081 337.2)

  • #400E01

    #400E01

    oklch(25% 0.081 37.2)

Open the analogous palette in the generator

Split complementary

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

  • #3F0B1A

    #3F0B1A

    oklch(25% 0.08 8.1)

  • #002A16

    #002A16

    oklch(25.1% 0.059 157.3)

  • #002630

    #002630

    oklch(24.8% 0.045 219.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0B1A

    #3F0B1A

    oklch(25% 0.08 8.1)

  • #182700

    #182700

    oklch(25% 0.066 128.3)

  • #002340

    #002340

    oklch(25% 0.067 248.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0B1A

    #3F0B1A

    oklch(25% 0.08 8.1)

  • #282100

    #282100

    oklch(24.8% 0.051 97.5)

  • #002825

    #002825

    oklch(24.9% 0.043 187.3)

  • #1A1B47

    #1A1B47

    oklch(25% 0.08 277.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0B1A, closest first.

Similar named colors

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

Use #3F0B1A 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.