#4A151B

Closest named color: Mahogany (#4A0100). oklch(28.5% 0.08 17.2), rgb(74, 21, 27).

Aa

White text reads best on this color (14.84:1).

About this color

#4A151B is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.080 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.041 away. White text reads best on it, at 14.84:1.

Hue familyReds
Lightnessdark (28%)
Chromamoderately saturated (0.080)
Temperaturewarm
Nearest nameMahogany (#4A0100)
Black text1.41:1
White text14.84:1

Values

HEX#4A151B
RGBrgb(74, 21, 27)
HSLhsl(353, 56%, 19%)
OKLCHoklch(28.5% 0.08 17.2)

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 #4A151B 14.84:1 AAA Lc -104.1 Preferred for body text
Black text on #4A151B 1.41:1 Fails Lc 0.0 Not readable
#4A151B text on white 14.84:1 AAA Lc 101.2 Preferred for body text
#4A151B text on black 1.41:1 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E3

    oklch(93.6% 0.028 17.7)

  3. Step 200

    200

    #FACCCC

    oklch(88.5% 0.052 18.2)

  4. Step 300

    300

    #F8A8AA

    oklch(81% 0.095 17.7)

  5. Step 400

    400

    #F0747E

    oklch(70.6% 0.153 16.8)

  6. Step 500

    500

    #E7485D

    oklch(63.2% 0.194 17.3)

  7. Step 600

    600

    #D21943

    oklch(55.6% 0.211 17.3)

  8. Step 700

    700

    #B50035

    oklch(49% 0.196 17.2)

  9. Step 800

    800

    #930E2C

    oklch(42.7% 0.162 17.4)

  10. Step 900

    900

    #761928

    oklch(37.7% 0.126 17.1)

  11. Step 950

    950 (this color)

    #4A151B

    oklch(28.5% 0.08 17.2)

Export this scale for Tailwind in the Tailwind colors tool

#4A151B 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)#22211B0.088
Deuteranopia (no green cones)#302C1A0.081
Tritanopia (no blue cones)#520B170.021
Achromatopsia (no color)#2727270.081

Harmonies

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

Complementary

The opposite hue (180°).

  • #4A151B

    #4A151B

    oklch(28.5% 0.08 17.2)

  • #003132

    #003132

    oklch(28.4% 0.048 197)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #4A151B

    #4A151B

    oklch(28.5% 0.08 17.2)

  • #451631

    #451631

    oklch(28.5% 0.08 347.9)

  • #481B00

    #481B00

    oklch(28.6% 0.078 47.6)

Open the analogous palette in the generator

Split complementary

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

  • #4A151B

    #4A151B

    oklch(28.5% 0.08 17.2)

  • #003324

    #003324

    oklch(28.5% 0.058 167.2)

  • #002F3F

    #002F3F

    oklch(28.5% 0.055 227.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #4A151B

    #4A151B

    oklch(28.5% 0.08 17.2)

  • #143304

    #143304

    oklch(28.6% 0.081 137.2)

  • #0C2951

    #0C2951

    oklch(28.4% 0.081 257.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #4A151B

    #4A151B

    oklch(28.5% 0.08 17.2)

  • #2E2C00

    #2E2C00

    oklch(28.6% 0.061 107)

  • #003132

    #003132

    oklch(28.4% 0.048 197)

  • #29224F

    #29224F

    oklch(28.6% 0.08 287.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4A151B, closest first.

Similar named colors

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

Use #4A151B 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.