#390308

Closest named color: Dark Maroon (#3C0008). oklch(22.2% 0.083 21.9), rgb(57, 3, 8).

Aa

White text reads best on this color (17.63:1).

About this color

#390308 is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.083 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.008 away. White text reads best on it, at 17.63:1.

Hue familyReds
Lightnessvery dark (22%)
Chromamoderately saturated (0.083)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.19:1
White text17.63:1

Values

HEX#390308
RGBrgb(57, 3, 8)
HSLhsl(354, 90%, 12%)
OKLCHoklch(22.2% 0.083 21.9)

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 #390308 17.63:1 AAA Lc -106.0 Preferred for body text
Black text on #390308 1.19:1 Fails Lc 0.0 Not readable
#390308 text on white 17.63:1 AAA Lc 103.6 Preferred for body text
#390308 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FDE3E1

    oklch(93.6% 0.029 23)

  3. Step 200

    200

    #FCCCC9

    oklch(88.6% 0.055 22.4)

  4. Step 300

    300

    #FAA7A4

    oklch(80.9% 0.099 21.8)

  5. Step 400

    400

    #F37373

    oklch(70.7% 0.158 21.9)

  6. Step 500

    500

    #EA454F

    oklch(63.1% 0.201 21.9)

  7. Step 600

    600

    #D50F33

    oklch(55.5% 0.218 21.8)

  8. Step 700

    700

    #B60028

    oklch(49% 0.197 21.7)

  9. Step 800

    800

    #960620

    oklch(42.8% 0.169 22)

  10. Step 900

    900

    #78171F

    oklch(37.7% 0.131 22.3)

  11. Step 950

    950 (this color)

    #390308

    oklch(22.2% 0.083 21.9)

Export this scale for Tailwind in the Tailwind colors tool

#390308 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)#1311080.092
Deuteranopia (no green cones)#211D060.084
Tritanopia (no blue cones)#4000050.017
Achromatopsia (no color)#1919190.084

Harmonies

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

Complementary

The opposite hue (180°).

  • #390308

    #390308

    oklch(22.2% 0.083 21.9)

  • #002023

    #002023

    oklch(22.2% 0.038 203.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #390308

    #390308

    oklch(22.2% 0.083 21.9)

  • #35041F

    #35041F

    oklch(22.2% 0.083 352)

  • #2F1200

    #2F1200

    oklch(22.3% 0.057 52.6)

Open the analogous palette in the generator

Split complementary

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

  • #390308

    #390308

    oklch(22.2% 0.083 21.9)

  • #002119

    #002119

    oklch(22.1% 0.042 173.3)

  • #001E2C

    #001E2C

    oklch(22.1% 0.045 232.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #390308

    #390308

    oklch(22.2% 0.083 21.9)

  • #012300

    #012300

    oklch(22.2% 0.075 142)

  • #041841

    #041841

    oklch(22.3% 0.083 261.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #390308

    #390308

    oklch(22.2% 0.083 21.9)

  • #1C1D00

    #1C1D00

    oklch(22.2% 0.049 111.6)

  • #002023

    #002023

    oklch(22.2% 0.038 203.7)

  • #1D103E

    #1D103E

    oklch(22.3% 0.083 291.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #390308, closest first.

Similar named colors

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

Use #390308 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.