#420F1A

Closest named color: Mahogany (#4A0100). oklch(26.1% 0.079 11.8), rgb(66, 15, 26).

Aa

White text reads best on this color (15.97:1).

About this color

#420F1A is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.079 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.038 away. White text reads best on it, at 15.97:1.

Hue familyReds
Lightnessdark (26%)
Chromamoderately saturated (0.079)
Temperaturewarm
Nearest nameMahogany (#4A0100)
Black text1.31:1
White text15.97:1

Values

HEX#420F1A
RGBrgb(66, 15, 26)
HSLhsl(347, 63%, 16%)
OKLCHoklch(26.1% 0.079 11.8)

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 #420F1A 15.97:1 AAA Lc -105.1 Preferred for body text
Black text on #420F1A 1.31:1 Fails Lc 0.0 Not readable
#420F1A text on white 15.97:1 AAA Lc 102.4 Preferred for body text
#420F1A text on black 1.31:1 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

    #FEF2F3

    oklch(97.1% 0.013 11.5)

  2. Step 100

    100

    #FBE3E5

    oklch(93.6% 0.026 11.9)

  3. Step 200

    200

    #F9CCD0

    oklch(88.5% 0.051 12.1)

  4. Step 300

    300

    #F6A8B1

    oklch(80.9% 0.093 11.7)

  5. Step 400

    400

    #ED7588

    oklch(70.6% 0.149 11.7)

  6. Step 500

    500

    #E44A6B

    oklch(63.2% 0.19 11.8)

  7. Step 600

    600

    #CF1F53

    oklch(55.6% 0.207 11.7)

  8. Step 700

    700

    #B30943

    oklch(49.2% 0.193 12)

  9. Step 800

    800

    #911238

    oklch(42.7% 0.159 11.5)

  10. Step 900

    900

    #751A30

    oklch(37.8% 0.125 11.8)

  11. Step 950

    950 (this color)

    #420F1A

    oklch(26.1% 0.079 11.8)

Export this scale for Tailwind in the Tailwind colors tool

#420F1A 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)#1B1B1A0.088
Deuteranopia (no green cones)#2926190.080
Tritanopia (no blue cones)#4906130.020
Achromatopsia (no color)#2222220.079

Harmonies

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

Complementary

The opposite hue (180°).

  • #420F1A

    #420F1A

    oklch(26.1% 0.079 11.8)

  • #002B2A

    #002B2A

    oklch(26.1% 0.045 192.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #420F1A

    #420F1A

    oklch(26.1% 0.079 11.8)

  • #3C112F

    #3C112F

    oklch(26.1% 0.079 341.4)

  • #421300

    #421300

    oklch(26.1% 0.079 42)

Open the analogous palette in the generator

Split complementary

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

  • #420F1A

    #420F1A

    oklch(26.1% 0.079 11.8)

  • #002C1B

    #002C1B

    oklch(25.9% 0.057 161.9)

  • #002935

    #002935

    oklch(26.1% 0.048 222.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #420F1A

    #420F1A

    oklch(26.1% 0.079 11.8)

  • #162B00

    #162B00

    oklch(26.1% 0.073 132.2)

  • #002448

    #002448

    oklch(25.9% 0.078 252.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #420F1A

    #420F1A

    oklch(26.1% 0.079 11.8)

  • #2A2500

    #2A2500

    oklch(26.2% 0.055 101.8)

  • #002B2A

    #002B2A

    oklch(26.1% 0.045 192.4)

  • #1F1D48

    #1F1D48

    oklch(26% 0.078 281.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #420F1A, closest first.

Similar named colors

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

Use #420F1A 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.