#40032A

Closest named color: Dark Plum (#3F012C). oklch(25% 0.099 347.6), rgb(64, 3, 42).

Aa

White text reads best on this color (16.60:1).

About this color

#40032A is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.099 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.007 away. White text reads best on it, at 16.60:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamoderately saturated (0.099)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.26:1
White text16.60:1

Values

HEX#40032A
RGBrgb(64, 3, 42)
HSLhsl(322, 91%, 13%)
OKLCHoklch(25% 0.099 347.6)

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 #40032A 16.60:1 AAA Lc -105.3 Preferred for body text
Black text on #40032A 1.26:1 Fails Lc 0.0 Not readable
#40032A text on white 16.60:1 AAA Lc 102.6 Preferred for body text
#40032A 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

    #FCE1EE

    oklch(93.5% 0.034 347.1)

  3. Step 200

    200

    #FBC8E1

    oklch(88.5% 0.066 347.5)

  4. Step 300

    300

    #F9A1CE

    oklch(80.9% 0.118 348)

  5. Step 400

    400

    #F167B6

    oklch(70.7% 0.189 347.6)

  6. Step 500

    500

    #E72CA3

    oklch(63% 0.24 347.7)

  7. Step 600

    600

    #CA008C

    oklch(55.6% 0.234 347.5)

  8. Step 700

    700

    #AB0075

    oklch(49.1% 0.206 347.8)

  9. Step 800

    800

    #8D0060

    oklch(42.6% 0.179 347.7)

  10. Step 900

    900

    #760250

    oklch(37.6% 0.157 347.6)

  11. Step 950

    950 (this color)

    #40032A

    oklch(25% 0.099 347.6)

Export this scale for Tailwind in the Tailwind colors tool

#40032A 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)#0D182B0.113
Deuteranopia (no green cones)#2022290.097
Tritanopia (no blue cones)#4501160.040
Achromatopsia (no color)#1E1E1E0.100

Harmonies

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

Complementary

The opposite hue (180°).

  • #40032A

    #40032A

    oklch(25% 0.099 347.6)

  • #00291D

    #00291D

    oklch(25% 0.05 168.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #40032A

    #40032A

    oklch(25% 0.099 347.6)

  • #340B40

    #340B40

    oklch(25% 0.1 317.4)

  • #46000F

    #46000F

    oklch(25% 0.1 17.1)

Open the analogous palette in the generator

Split complementary

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

  • #40032A

    #40032A

    oklch(25% 0.099 347.6)

  • #0C2900

    #0C2900

    oklch(24.9% 0.076 137.5)

  • #002829

    #002829

    oklch(25.1% 0.043 197.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #40032A

    #40032A

    oklch(25% 0.099 347.6)

  • #242300

    #242300

    oklch(24.9% 0.054 108.1)

  • #002634

    #002634

    oklch(25.1% 0.049 227.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #40032A

    #40032A

    oklch(25% 0.099 347.6)

  • #2F1E00

    #2F1E00

    oklch(25% 0.052 78.5)

  • #00291D

    #00291D

    oklch(25% 0.05 168.4)

  • #001F4C

    #001F4C

    oklch(25% 0.091 257.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #40032A, closest first.

Similar named colors

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

Use #40032A 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.