#390321

Closest named color: Dark Plum (#3F012C). oklch(23% 0.089 352.3), rgb(57, 3, 33).

Aa

White text reads best on this color (17.37:1).

About this color

#390321 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.089 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.025 away. White text reads best on it, at 17.37:1.

Hue familyReds
Lightnessvery dark (23%)
Chromamoderately saturated (0.089)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.20:1
White text17.37:1

Values

HEX#390321
RGBrgb(57, 3, 33)
HSLhsl(327, 90%, 12%)
OKLCHoklch(23% 0.089 352.3)

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 #390321 17.37:1 AAA Lc -105.9 Preferred for body text
Black text on #390321 1.20:1 Fails Lc 0.0 Not readable
#390321 text on white 17.37:1 AAA Lc 103.4 Preferred for body text
#390321 text on black 1.20:1 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

    #FBE2EC

    oklch(93.6% 0.03 351.5)

  3. Step 200

    200

    #F9CADD

    oklch(88.5% 0.058 352.2)

  4. Step 300

    300

    #F6A4C7

    oklch(80.9% 0.106 352.5)

  5. Step 400

    400

    #ED6EAB

    oklch(70.7% 0.169 352.3)

  6. Step 500

    500

    #E33E96

    oklch(63.2% 0.215 352.5)

  7. Step 600

    600

    #CD0080

    oklch(55.7% 0.23 352.5)

  8. Step 700

    700

    #AD006C

    oklch(49.1% 0.203 352.2)

  9. Step 800

    800

    #8F0058

    oklch(42.7% 0.177 352.4)

  10. Step 900

    900

    #741249

    oklch(37.8% 0.14 352.3)

  11. Step 950

    950 (this color)

    #390321

    oklch(23% 0.089 352.3)

Export this scale for Tailwind in the Tailwind colors tool

#390321 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)#0D14220.101
Deuteranopia (no green cones)#1D1E200.089
Tritanopia (no blue cones)#3E00110.032
Achromatopsia (no color)#1A1A1A0.090

Harmonies

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

Complementary

The opposite hue (180°).

  • #390321

    #390321

    oklch(23% 0.089 352.3)

  • #00241B

    #00241B

    oklch(23.2% 0.045 172.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #390321

    #390321

    oklch(23% 0.089 352.3)

  • #2F0935

    #2F0935

    oklch(23.1% 0.088 321.9)

  • #3D0208

    #3D0208

    oklch(23% 0.089 22)

Open the analogous palette in the generator

Split complementary

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

  • #390321

    #390321

    oklch(23% 0.089 352.3)

  • #002500

    #002500

    oklch(22.9% 0.078 142.5)

  • #002225

    #002225

    oklch(23% 0.039 203.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #390321

    #390321

    oklch(23% 0.089 352.3)

  • #1E1F00

    #1E1F00

    oklch(23% 0.051 111.5)

  • #00202F

    #00202F

    oklch(22.9% 0.047 232.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #390321

    #390321

    oklch(23% 0.089 352.3)

  • #281A00

    #281A00

    oklch(23% 0.047 81.2)

  • #00241B

    #00241B

    oklch(23.2% 0.045 172.3)

  • #041946

    #041946

    oklch(23.1% 0.089 262.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #390321, closest first.

Similar named colors

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

Use #390321 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.