#3F0B25

Closest named color: Dark Plum (#3F012C). oklch(25.4% 0.084 354.4), rgb(63, 11, 37).

Aa

White text reads best on this color (16.33:1).

About this color

#3F0B25 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.084 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.026 away. White text reads best on it, at 16.33:1.

Hue familyReds
Lightnessdark (25%)
Chromamoderately saturated (0.084)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.28:1
White text16.33:1

Values

HEX#3F0B25
RGBrgb(63, 11, 37)
HSLhsl(330, 70%, 15%)
OKLCHoklch(25.4% 0.084 354.4)

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 #3F0B25 16.33:1 AAA Lc -105.3 Preferred for body text
Black text on #3F0B25 1.28:1 Fails Lc 0.0 Not readable
#3F0B25 text on white 16.33:1 AAA Lc 102.7 Preferred for body text
#3F0B25 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

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #FBE2EB

    oklch(93.6% 0.03 353.9)

  3. Step 200

    200

    #F8CBDB

    oklch(88.5% 0.055 354.9)

  4. Step 300

    300

    #F4A6C5

    oklch(80.9% 0.099 354)

  5. Step 400

    400

    #EB71A7

    oklch(70.7% 0.161 354.2)

  6. Step 500

    500

    #E04391

    oklch(63% 0.205 354.2)

  7. Step 600

    600

    #CC107B

    oklch(55.7% 0.222 354.5)

  8. Step 700

    700

    #AE0068

    oklch(49.1% 0.202 354.2)

  9. Step 800

    800

    #8F0755

    oklch(42.8% 0.172 354.3)

  10. Step 900

    900

    #731646

    oklch(37.8% 0.134 354.4)

  11. Step 950

    950 (this color)

    #3F0B25

    oklch(25.4% 0.084 354.4)

Export this scale for Tailwind in the Tailwind colors tool

#3F0B25 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)#151A260.094
Deuteranopia (no green cones)#2323240.084
Tritanopia (no blue cones)#4506160.030
Achromatopsia (no color)#2020200.085

Harmonies

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

Complementary

The opposite hue (180°).

  • #3F0B25

    #3F0B25

    oklch(25.4% 0.084 354.4)

  • #002A21

    #002A21

    oklch(25.4% 0.048 174.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3F0B25

    #3F0B25

    oklch(25.4% 0.084 354.4)

  • #351039

    #351039

    oklch(25.3% 0.085 323.7)

  • #430B0C

    #430B0C

    oklch(25.5% 0.085 24.8)

Open the analogous palette in the generator

Split complementary

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

  • #3F0B25

    #3F0B25

    oklch(25.4% 0.084 354.4)

  • #002C04

    #002C04

    oklch(25.5% 0.082 144.3)

  • #00282C

    #00282C

    oklch(25.3% 0.043 204.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3F0B25

    #3F0B25

    oklch(25.4% 0.084 354.4)

  • #222500

    #222500

    oklch(25.3% 0.057 114.3)

  • #002638

    #002638

    oklch(25.3% 0.053 234.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3F0B25

    #3F0B25

    oklch(25.4% 0.084 354.4)

  • #2E2000

    #2E2000

    oklch(25.4% 0.052 84.7)

  • #002A21

    #002A21

    oklch(25.4% 0.048 174.4)

  • #0D1F4A

    #0D1F4A

    oklch(25.4% 0.084 264.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F0B25, closest first.

Similar named colors

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

Use #3F0B25 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.