#4F101C

Closest named color: Mahogany (#4A0100). oklch(28.8% 0.093 14.5), rgb(79, 16, 28).

Aa

White text reads best on this color (14.75:1).

About this color

#4F101C is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.093 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.042 away. White text reads best on it, at 14.75:1.

Hue familyReds
Lightnessdark (29%)
Chromamoderately saturated (0.093)
Temperaturewarm
Nearest nameMahogany (#4A0100)
Black text1.42:1
White text14.75:1

Values

HEX#4F101C
RGBrgb(79, 16, 28)
HSLhsl(349, 66%, 19%)
OKLCHoklch(28.8% 0.093 14.5)

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 #4F101C 14.75:1 AAA Lc -103.8 Preferred for body text
Black text on #4F101C 1.42:1 Fails Lc 0.0 Not readable
#4F101C text on white 14.75:1 AAA Lc 100.8 Preferred for body text
#4F101C text on black 1.42:1 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

    #FFF2F2

    oklch(97.1% 0.014 17.4)

  2. Step 100

    100

    #FFE2E3

    oklch(93.7% 0.032 15.4)

  3. Step 200

    200

    #FFC9CC

    oklch(88.4% 0.062 14.7)

  4. Step 300

    300

    #FFA3AA

    oklch(80.9% 0.109 14.8)

  5. Step 400

    400

    #FA6A7E

    oklch(70.7% 0.176 14.3)

  6. Step 500

    500

    #F2315D

    oklch(63.1% 0.225 14.6)

  7. Step 600

    600

    #D50049

    oklch(55.5% 0.222 14.3)

  8. Step 700

    700

    #B5003C

    oklch(49.2% 0.197 14.6)

  9. Step 800

    800

    #950030

    oklch(42.6% 0.17 14.5)

  10. Step 900

    900

    #7D0528

    oklch(37.8% 0.147 14.6)

  11. Step 950

    950 (this color)

    #4F101C

    oklch(28.8% 0.093 14.5)

Export this scale for Tailwind in the Tailwind colors tool

#4F101C 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)#21201C0.102
Deuteranopia (no green cones)#312D1A0.095
Tritanopia (no blue cones)#5701150.023
Achromatopsia (no color)#2828280.094

Harmonies

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

Complementary

The opposite hue (180°).

  • #4F101C

    #4F101C

    oklch(28.8% 0.093 14.5)

  • #003232

    #003232

    oklch(28.7% 0.049 194.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #4F101C

    #4F101C

    oklch(28.8% 0.093 14.5)

  • #481236

    #481236

    oklch(28.7% 0.093 343.7)

  • #4B1900

    #4B1900

    oklch(28.8% 0.084 44.1)

Open the analogous palette in the generator

Split complementary

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

  • #4F101C

    #4F101C

    oklch(28.8% 0.093 14.5)

  • #003423

    #003423

    oklch(28.8% 0.061 164.8)

  • #00303F

    #00303F

    oklch(28.8% 0.055 225.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #4F101C

    #4F101C

    oklch(28.8% 0.093 14.5)

  • #173300

    #173300

    oklch(28.7% 0.083 134.5)

  • #002A57

    #002A57

    oklch(28.8% 0.093 254.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #4F101C

    #4F101C

    oklch(28.8% 0.093 14.5)

  • #302C00

    #302C00

    oklch(28.8% 0.061 104.2)

  • #003232

    #003232

    oklch(28.7% 0.049 194.8)

  • #272156

    #272156

    oklch(28.8% 0.092 284.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4F101C, closest first.

Similar named colors

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

Use #4F101C 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.