#400328

Closest named color: Dark Plum (#3F012C). oklch(24.9% 0.098 349.7), rgb(64, 3, 40).

Aa

White text reads best on this color (16.64:1).

About this color

#400328 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.098 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.010 away. White text reads best on it, at 16.64:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamoderately saturated (0.098)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.26:1
White text16.64:1

Values

HEX#400328
RGBrgb(64, 3, 40)
HSLhsl(324, 91%, 13%)
OKLCHoklch(24.9% 0.098 349.7)

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 #400328 16.64:1 AAA Lc -105.3 Preferred for body text
Black text on #400328 1.26:1 Fails Lc 0.0 Not readable
#400328 text on white 16.64:1 AAA Lc 102.7 Preferred for body text
#400328 text on black 1.26:1 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

    #FEF1F7

    oklch(97% 0.016 347.6)

  2. Step 100

    100

    #FDE1ED

    oklch(93.6% 0.034 350)

  3. Step 200

    200

    #FBC8DF

    oklch(88.4% 0.065 349.7)

  4. Step 300

    300

    #F9A1CC

    oklch(80.9% 0.116 349.3)

  5. Step 400

    400

    #F168B1

    oklch(70.7% 0.185 349.7)

  6. Step 500

    500

    #E82D9E

    oklch(63.1% 0.238 349.6)

  7. Step 600

    600

    #CB0087

    oklch(55.6% 0.232 349.5)

  8. Step 700

    700

    #AC0071

    oklch(49.1% 0.205 349.8)

  9. Step 800

    800

    #8E005D

    oklch(42.7% 0.178 349.6)

  10. Step 900

    900

    #77034D

    oklch(37.7% 0.155 349.9)

  11. Step 950

    950 (this color)

    #400328

    oklch(24.9% 0.098 349.7)

Export this scale for Tailwind in the Tailwind colors tool

#400328 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)#0E17290.112
Deuteranopia (no green cones)#2022270.097
Tritanopia (no blue cones)#4600150.038
Achromatopsia (no color)#1E1E1E0.099

Harmonies

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

Complementary

The opposite hue (180°).

  • #400328

    #400328

    oklch(24.9% 0.098 349.7)

  • #00291D

    #00291D

    oklch(25% 0.05 168.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #400328

    #400328

    oklch(24.9% 0.098 349.7)

  • #340A3E

    #340A3E

    oklch(24.8% 0.099 319.1)

  • #45010C

    #45010C

    oklch(24.8% 0.098 19.8)

Open the analogous palette in the generator

Split complementary

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

  • #400328

    #400328

    oklch(24.9% 0.098 349.7)

  • #072A00

    #072A00

    oklch(25% 0.08 139.7)

  • #002729

    #002729

    oklch(24.8% 0.042 200)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #400328

    #400328

    oklch(24.9% 0.098 349.7)

  • #232300

    #232300

    oklch(24.8% 0.054 109.8)

  • #002534

    #002534

    oklch(24.8% 0.049 230.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #400328

    #400328

    oklch(24.9% 0.098 349.7)

  • #2E1E00

    #2E1E00

    oklch(24.9% 0.051 80.2)

  • #00291D

    #00291D

    oklch(25% 0.05 168.4)

  • #001D4F

    #001D4F

    oklch(24.8% 0.099 259.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #400328, closest first.

Similar named colors

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

Use #400328 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.