#420508

Closest named color: Deep Brown (#410200). oklch(24.5% 0.091 24.6), rgb(66, 5, 8).

Aa

White text reads best on this color (16.70:1).

About this color

#420508 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.091 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.012 away. White text reads best on it, at 16.70:1.

Hue familyReds
Lightnessvery dark (25%)
Chromamoderately saturated (0.091)
Temperaturewarm
Nearest nameDeep Brown (#410200)
Black text1.25:1
White text16.70:1

Values

HEX#420508
RGBrgb(66, 5, 8)
HSLhsl(357, 86%, 14%)
OKLCHoklch(24.5% 0.091 24.6)

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 #420508 16.70:1 AAA Lc -105.3 Preferred for body text
Black text on #420508 1.25:1 Fails Lc 0.0 Not readable
#420508 text on white 16.70:1 AAA Lc 102.7 Preferred for body text
#420508 text on black 1.25:1 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

    #FFF2F1

    oklch(97.1% 0.014 22.8)

  2. Step 100

    100

    #FEE2E0

    oklch(93.5% 0.031 22.6)

  3. Step 200

    200

    #FECBC6

    oklch(88.5% 0.059 24.8)

  4. Step 300

    300

    #FFA59E

    oklch(80.9% 0.108 24.6)

  5. Step 400

    400

    #F96E69

    oklch(70.6% 0.172 24.5)

  6. Step 500

    500

    #F13940

    oklch(63% 0.219 24.5)

  7. Step 600

    600

    #D80025

    oklch(55.6% 0.225 24.6)

  8. Step 700

    700

    #B7001E

    oklch(49.1% 0.199 24.5)

  9. Step 800

    800

    #970017

    oklch(42.6% 0.173 24.5)

  10. Step 900

    900

    #7C0D16

    oklch(37.7% 0.143 24.6)

  11. Step 950

    950 (this color)

    #420508

    oklch(24.5% 0.091 24.6)

Export this scale for Tailwind in the Tailwind colors tool

#420508 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)#1815070.100
Deuteranopia (no green cones)#2822060.088
Tritanopia (no blue cones)#4A00070.019
Achromatopsia (no color)#1E1E1E0.091

Harmonies

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

Complementary

The opposite hue (180°).

  • #420508

    #420508

    oklch(24.5% 0.091 24.6)

  • #00262A

    #00262A

    oklch(24.5% 0.042 205.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420508

    #420508

    oklch(24.5% 0.091 24.6)

  • #3E0523

    #3E0523

    oklch(24.4% 0.091 354.2)

  • #361700

    #361700

    oklch(24.6% 0.061 54.9)

Open the analogous palette in the generator

Split complementary

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

  • #420508

    #420508

    oklch(24.5% 0.091 24.6)

  • #00271F

    #00271F

    oklch(24.4% 0.046 175.5)

  • #002435

    #002435

    oklch(24.5% 0.051 233.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420508

    #420508

    oklch(24.5% 0.091 24.6)

  • #002904

    #002904

    oklch(24.4% 0.078 144.5)

  • #0A1C4B

    #0A1C4B

    oklch(24.6% 0.091 264.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420508

    #420508

    oklch(24.5% 0.091 24.6)

  • #202300

    #202300

    oklch(24.5% 0.055 114.4)

  • #00262A

    #00262A

    oklch(24.5% 0.042 205.3)

  • #251346

    #251346

    oklch(24.5% 0.091 295.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420508, closest first.

Similar named colors

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

Use #420508 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.