#39001E

Closest named color: Dark Plum (#3F012C). oklch(22.5% 0.092 354.8), rgb(57, 0, 30).

Aa

White text reads best on this color (17.60:1).

About this color

#39001E is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.092 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.030 away. White text reads best on it, at 17.60:1.

Hue familyReds
Lightnessvery dark (23%)
Chromamoderately saturated (0.092)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.19:1
White text17.60:1

Values

HEX#39001E
RGBrgb(57, 0, 30)
HSLhsl(328, 100%, 11%)
OKLCHoklch(22.5% 0.092 354.8)

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 #39001E 17.60:1 AAA Lc -105.9 Preferred for body text
Black text on #39001E 1.19:1 Fails Lc 0.0 Not readable
#39001E text on white 17.60:1 AAA Lc 103.5 Preferred for body text
#39001E text on black 1.19:1 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

    #FEF2F6

    oklch(97.2% 0.014 355)

  2. Step 100

    100

    #FCE2EB

    oklch(93.6% 0.031 354.7)

  3. Step 200

    200

    #FBC9DB

    oklch(88.5% 0.061 354.9)

  4. Step 300

    300

    #F9A3C4

    oklch(80.9% 0.109 355.2)

  5. Step 400

    400

    #F16BA6

    oklch(70.7% 0.175 355)

  6. Step 500

    500

    #E83691

    oklch(63.2% 0.224 354.8)

  7. Step 600

    600

    #CE007A

    oklch(55.6% 0.228 355)

  8. Step 700

    700

    #AE0067

    oklch(49.1% 0.202 354.6)

  9. Step 800

    800

    #900054

    oklch(42.7% 0.175 354.8)

  10. Step 900

    900

    #770B46

    oklch(37.8% 0.146 354.7)

  11. Step 950

    950 (this color)

    #39001E

    oklch(22.5% 0.092 354.8)

Export this scale for Tailwind in the Tailwind colors tool

#39001E 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)#0C121F0.105
Deuteranopia (no green cones)#1D1D1D0.093
Tritanopia (no blue cones)#3F000D0.036
Achromatopsia (no color)#1919190.093

Harmonies

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

Complementary

The opposite hue (180°).

  • #39001E

    #39001E

    oklch(22.5% 0.092 354.8)

  • #00221B

    #00221B

    oklch(22.5% 0.042 176.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39001E

    #39001E

    oklch(22.5% 0.092 354.8)

  • #2F0533

    #2F0533

    oklch(22.4% 0.093 324.2)

  • #3C0004

    #3C0004

    oklch(22.4% 0.091 24.6)

Open the analogous palette in the generator

Split complementary

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

  • #39001E

    #39001E

    oklch(22.5% 0.092 354.8)

  • #002404

    #002404

    oklch(22.6% 0.071 145.1)

  • #002124

    #002124

    oklch(22.6% 0.038 203.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39001E

    #39001E

    oklch(22.5% 0.092 354.8)

  • #1B1E00

    #1B1E00

    oklch(22.4% 0.051 115)

  • #001F2F

    #001F2F

    oklch(22.6% 0.048 235.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39001E

    #39001E

    oklch(22.5% 0.092 354.8)

  • #261A00

    #261A00

    oklch(22.7% 0.046 85)

  • #00221B

    #00221B

    oklch(22.5% 0.042 176.1)

  • #061646

    #061646

    oklch(22.5% 0.093 264.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #39001E, closest first.

Similar named colors

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

Use #39001E 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.