#420728

Closest named color: Dark Plum (#3F012C). oklch(25.7% 0.094 351.9), rgb(66, 7, 40).

Aa

White text reads best on this color (16.24:1).

About this color

#420728 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.094 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.019 away. White text reads best on it, at 16.24:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.094)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.29:1
White text16.24:1

Values

HEX#420728
RGBrgb(66, 7, 40)
HSLhsl(326, 81%, 14%)
OKLCHoklch(25.7% 0.094 351.9)

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 #420728 16.24:1 AAA Lc -105.1 Preferred for body text
Black text on #420728 1.29:1 Fails Lc 0.0 Not readable
#420728 text on white 16.24:1 AAA Lc 102.4 Preferred for body text
#420728 text on black 1.29:1 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

    #FCE2EC

    oklch(93.7% 0.031 352.4)

  3. Step 200

    200

    #FBC9DD

    oklch(88.5% 0.062 352.5)

  4. Step 300

    300

    #F8A2C8

    oklch(80.8% 0.112 351.8)

  5. Step 400

    400

    #F06AAC

    oklch(70.6% 0.179 351.9)

  6. Step 500

    500

    #E73498

    oklch(63.1% 0.228 351.9)

  7. Step 600

    600

    #CC0081

    oklch(55.5% 0.23 351.9)

  8. Step 700

    700

    #AD006D

    oklch(49.1% 0.204 351.8)

  9. Step 800

    800

    #8F0059

    oklch(42.7% 0.177 351.9)

  10. Step 900

    900

    #76094A

    oklch(37.7% 0.149 351.7)

  11. Step 950

    950 (this color)

    #420728

    oklch(25.7% 0.094 351.9)

Export this scale for Tailwind in the Tailwind colors tool

#420728 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)#1219290.107
Deuteranopia (no green cones)#2324270.093
Tritanopia (no blue cones)#4803160.035
Achromatopsia (no color)#2020200.095

Harmonies

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

Complementary

The opposite hue (180°).

  • #420728

    #420728

    oklch(25.7% 0.094 351.9)

  • #002B20

    #002B20

    oklch(25.7% 0.05 170.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420728

    #420728

    oklch(25.7% 0.094 351.9)

  • #370E3D

    #370E3D

    oklch(25.7% 0.094 322.3)

  • #47060D

    #47060D

    oklch(25.8% 0.094 21.9)

Open the analogous palette in the generator

Split complementary

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

  • #420728

    #420728

    oklch(25.7% 0.094 351.9)

  • #022D00

    #022D00

    oklch(25.8% 0.087 141.8)

  • #00292C

    #00292C

    oklch(25.6% 0.044 202.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420728

    #420728

    oklch(25.7% 0.094 351.9)

  • #242600

    #242600

    oklch(25.8% 0.057 112.7)

  • #002738

    #002738

    oklch(25.6% 0.053 232.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420728

    #420728

    oklch(25.7% 0.094 351.9)

  • #302000

    #302000

    oklch(25.7% 0.053 81.3)

  • #002B20

    #002B20

    oklch(25.7% 0.05 170.9)

  • #071F50

    #071F50

    oklch(25.7% 0.095 262.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420728, closest first.

Similar named colors

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

Use #420728 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.