#3F0411

Closest named color: Dark Maroon (#3C0008). oklch(23.9% 0.088 15), rgb(63, 4, 17).

Aa

White text reads best on this color (16.97:1).

About this color

#3F0411 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.088 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.017 away. White text reads best on it, at 16.97:1.

Hue familyReds
Lightnessvery dark (24%)
Chromamoderately saturated (0.088)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.23:1
White text16.97:1

Values

HEX#3F0411
RGBrgb(63, 4, 17)
HSLhsl(347, 88%, 13%)
OKLCHoklch(23.9% 0.088 15)

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 #3F0411 16.97:1 AAA Lc -105.6 Preferred for body text
Black text on #3F0411 1.23:1 Fails Lc 0.0 Not readable
#3F0411 text on white 16.97:1 AAA Lc 103.0 Preferred for body text
#3F0411 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

    #FFF2F2

    oklch(97.1% 0.014 17.4)

  2. Step 100

    100

    #FEE2E3

    oklch(93.6% 0.031 15.3)

  3. Step 200

    200

    #FDCACD

    oklch(88.4% 0.058 14.4)

  4. Step 300

    300

    #FCA5AB

    oklch(80.9% 0.103 15.1)

  5. Step 400

    400

    #F66E7F

    oklch(70.7% 0.167 14.7)

  6. Step 500

    500

    #EE3B5F

    oklch(63.2% 0.213 14.9)

  7. Step 600

    600

    #D60047

    oklch(55.7% 0.223 15.1)

  8. Step 700

    700

    #B5003B

    oklch(49.1% 0.196 15)

  9. Step 800

    800

    #96002F

    oklch(42.8% 0.171 15.2)

  10. Step 900

    900

    #7A0F29

    oklch(37.7% 0.139 14.8)

  11. Step 950

    950 (this color)

    #3F0411

    oklch(23.9% 0.088 15)

Export this scale for Tailwind in the Tailwind colors tool

#3F0411 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)#1514110.099
Deuteranopia (no green cones)#24210F0.091
Tritanopia (no blue cones)#4600090.019
Achromatopsia (no color)#1C1C1C0.089

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0411

    #3F0411

    oklch(23.9% 0.088 15)

  • #002525

    #002525

    oklch(23.9% 0.041 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0411

    #3F0411

    oklch(23.9% 0.088 15)

  • #390628

    #390628

    oklch(23.8% 0.088 345)

  • #381100

    #381100

    oklch(23.8% 0.069 44.5)

Open the analogous palette in the generator

Split complementary

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

  • #3F0411

    #3F0411

    oklch(23.9% 0.088 15)

  • #002619

    #002619

    oklch(23.8% 0.05 165.5)

  • #00232F

    #00232F

    oklch(23.8% 0.045 225.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0411

    #3F0411

    oklch(23.9% 0.088 15)

  • #0F2600

    #0F2600

    oklch(24% 0.07 134.9)

  • #001E43

    #001E43

    oklch(23.9% 0.079 255.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0411

    #3F0411

    oklch(23.9% 0.088 15)

  • #232000

    #232000

    oklch(23.9% 0.051 104.5)

  • #002525

    #002525

    oklch(23.9% 0.041 194.8)

  • #1D1546

    #1D1546

    oklch(24% 0.088 285.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0411, closest first.

Similar named colors

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

Use #3F0411 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.