#4D181F
Closest named color: Mahogany (#4A0100). oklch(29.6% 0.08 15.6), rgb(77, 24, 31).
Aa
White text reads best on this color (14.32:1).
About this color
#4D181F is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.080 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.050 away. White text reads best on it, at 14.32:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.46:1 |
| White text | 14.32:1 |
Values
| HEX | #4D181F |
| RGB | rgb(77, 24, 31) |
| HSL | hsl(352, 52%, 20%) |
| OKLCH | oklch(29.6% 0.08 15.6) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4D181F | 14.32:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #4D181F | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #4D181F text on white | 14.32:1 | AAA | Lc 100.6 | Preferred for body text |
| #4D181F text on black | 1.46:1 | 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.
-
Step 50
50
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E4
oklch(93.6% 0.028 14.9)
-
Step 200
200
#FACCCE
oklch(88.6% 0.052 15.2)
-
Step 300
300
#F8A8AC
oklch(81% 0.095 16.1)
-
Step 400
400
#EF7481
oklch(70.6% 0.152 15.2)
-
Step 500
500
#E64861
oklch(63.1% 0.194 15.7)
-
Step 600
600
#D11A48
oklch(55.5% 0.21 15.6)
-
Step 700
700
#B50139
oklch(49.1% 0.196 15.8)
-
Step 800
800
#930E30
oklch(42.7% 0.162 15.5)
-
Step 900
900
#76192A
oklch(37.7% 0.126 15.8)
-
Step 950
950 (this color)
#4D181F
oklch(29.6% 0.08 15.6)
#4D181F 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #25231F | 0.087 |
| Deuteranopia (no green cones) | #322E1E | 0.080 |
| Tritanopia (no blue cones) | #550F1B | 0.021 |
| Achromatopsia (no color) | #2A2A2A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D181F
#4D181F
oklch(29.6% 0.08 15.6)
- #003435
#003435
oklch(29.5% 0.05 196.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4D181F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.050
- Burgundy #610023 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.052
- Claret #680018 ΔE 0.061
- Deep Brown #410200 ΔE 0.063
- Dark Maroon #3C0008 ΔE 0.072
- Dark Plum #3F012C ΔE 0.073
- Dark Brown #341C02 ΔE 0.074
Use #4D181F 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.