#390423

Closest named color: Dark Plum (#3F012C). oklch(23.3% 0.088 350.3), rgb(57, 4, 35).

Aa

White text reads best on this color (17.27:1).

About this color

#390423 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.088 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.022 away. White text reads best on it, at 17.27:1.

Hue familyReds
Lightnessvery dark (23%)
Chromamoderately saturated (0.088)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.21:1
White text17.27:1

Values

HEX#390423
RGBrgb(57, 4, 35)
HSLhsl(325, 87%, 12%)
OKLCHoklch(23.3% 0.088 350.3)

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 #390423 17.27:1 AAA Lc -105.9 Preferred for body text
Black text on #390423 1.21:1 Fails Lc 0.0 Not readable
#390423 text on white 17.27:1 AAA Lc 103.4 Preferred for body text
#390423 text on black 1.21:1 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

    #FDF2F7

    oklch(97.1% 0.013 347.9)

  2. Step 100

    100

    #FBE2EC

    oklch(93.6% 0.03 351.5)

  3. Step 200

    200

    #F8CADE

    oklch(88.5% 0.058 350.4)

  4. Step 300

    300

    #F4A5CA

    oklch(80.9% 0.104 350)

  5. Step 400

    400

    #EB6FAF

    oklch(70.7% 0.168 350.1)

  6. Step 500

    500

    #E13F9B

    oklch(63.1% 0.215 350.2)

  7. Step 600

    600

    #CC0085

    oklch(55.7% 0.232 350.5)

  8. Step 700

    700

    #AC0070

    oklch(49.1% 0.205 350.2)

  9. Step 800

    800

    #8E005C

    oklch(42.6% 0.178 350.1)

  10. Step 900

    900

    #73134B

    oklch(37.7% 0.139 350.6)

  11. Step 950

    950 (this color)

    #390423

    oklch(23.3% 0.088 350.3)

Export this scale for Tailwind in the Tailwind colors tool

#390423 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)#0D15240.100
Deuteranopia (no green cones)#1D1E220.087
Tritanopia (no blue cones)#3E01120.034
Achromatopsia (no color)#1B1B1B0.089

Harmonies

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

Complementary

The opposite hue (180°).

  • #390423

    #390423

    oklch(23.3% 0.088 350.3)

  • #00241A

    #00241A

    oklch(23.2% 0.046 170.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #390423

    #390423

    oklch(23.3% 0.088 350.3)

  • #2F0A36

    #2F0A36

    oklch(23.3% 0.088 320.8)

  • #3D030A

    #3D030A

    oklch(23.2% 0.087 20.8)

Open the analogous palette in the generator

Split complementary

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

  • #390423

    #390423

    oklch(23.3% 0.088 350.3)

  • #052500

    #052500

    oklch(23.2% 0.075 140)

  • #002325

    #002325

    oklch(23.3% 0.04 200.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #390423

    #390423

    oklch(23.3% 0.088 350.3)

  • #1F1F00

    #1F1F00

    oklch(23.2% 0.05 109.8)

  • #00212F

    #00212F

    oklch(23.2% 0.046 230.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #390423

    #390423

    oklch(23.3% 0.088 350.3)

  • #291A00

    #291A00

    oklch(23.1% 0.048 79.3)

  • #00241A

    #00241A

    oklch(23.2% 0.046 170.2)

  • #021A46

    #021A46

    oklch(23.2% 0.089 260.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #390423, closest first.

Similar named colors

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

Use #390423 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.