#420F2A

Closest named color: Dark Plum (#3F012C). oklch(26.7% 0.084 351.7), rgb(66, 15, 42).

Aa

White text reads best on this color (15.74:1).

About this color

#420F2A is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.084 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.030 away. White text reads best on it, at 15.74:1.

Hue familyReds
Lightnessdark (27%)
Chromamoderately saturated (0.084)
Temperaturewarm
Nearest nameDark Plum (#3F012C)
Black text1.33:1
White text15.74:1

Values

HEX#420F2A
RGBrgb(66, 15, 42)
HSLhsl(328, 63%, 16%)
OKLCHoklch(26.7% 0.084 351.7)

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 #420F2A 15.74:1 AAA Lc -104.9 Preferred for body text
Black text on #420F2A 1.33:1 Fails Lc 0.0 Not readable
#420F2A text on white 15.74:1 AAA Lc 102.2 Preferred for body text
#420F2A text on black 1.33:1 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

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #FAE2EC

    oklch(93.5% 0.029 350.5)

  3. Step 200

    200

    #F7CBDD

    oklch(88.5% 0.055 351.8)

  4. Step 300

    300

    #F3A6C8

    oklch(80.9% 0.1 351.5)

  5. Step 400

    400

    #E972AB

    oklch(70.7% 0.159 351.9)

  6. Step 500

    500

    #DF4597

    oklch(63.2% 0.204 351.8)

  7. Step 600

    600

    #CA1481

    oklch(55.7% 0.222 351.9)

  8. Step 700

    700

    #AD006D

    oklch(49.1% 0.204 351.8)

  9. Step 800

    800

    #8D0A59

    oklch(42.7% 0.171 351.7)

  10. Step 900

    900

    #721749

    oklch(37.8% 0.133 352)

  11. Step 950

    950 (this color)

    #420F2A

    oklch(26.7% 0.084 351.7)

Export this scale for Tailwind in the Tailwind colors tool

#420F2A 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)#171D2B0.094
Deuteranopia (no green cones)#2526290.084
Tritanopia (no blue cones)#470C1A0.031
Achromatopsia (no color)#2323230.085

Harmonies

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

Complementary

The opposite hue (180°).

  • #420F2A

    #420F2A

    oklch(26.7% 0.084 351.7)

  • #002E23

    #002E23

    oklch(26.8% 0.052 171.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420F2A

    #420F2A

    oklch(26.7% 0.084 351.7)

  • #38143E

    #38143E

    oklch(26.7% 0.085 321.7)

  • #460F12

    #460F12

    oklch(26.7% 0.083 22)

Open the analogous palette in the generator

Split complementary

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

  • #420F2A

    #420F2A

    oklch(26.7% 0.084 351.7)

  • #052F03

    #052F03

    oklch(26.7% 0.084 142.1)

  • #002C2F

    #002C2F

    oklch(26.7% 0.045 201.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420F2A

    #420F2A

    oklch(26.7% 0.084 351.7)

  • #272800

    #272800

    oklch(26.7% 0.059 111.2)

  • #002A3B

    #002A3B

    oklch(26.7% 0.054 230.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420F2A

    #420F2A

    oklch(26.7% 0.084 351.7)

  • #332200

    #332200

    oklch(26.6% 0.055 80.9)

  • #002E23

    #002E23

    oklch(26.8% 0.052 171.9)

  • #0C234E

    #0C234E

    oklch(26.7% 0.085 261.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420F2A, closest first.

Similar named colors

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

Use #420F2A 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.