#4B1318
Closest named color: Mahogany (#4A0100). oklch(28.3% 0.084 19.4), rgb(75, 19, 24).
Aa
White text reads best on this color (14.94:1).
About this color
#4B1318 is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.084 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.036 away. White text reads best on it, at 14.94:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.40:1 |
| White text | 14.94:1 |
Values
| HEX | #4B1318 |
| RGB | rgb(75, 19, 24) |
| HSL | hsl(355, 60%, 18%) |
| OKLCH | oklch(28.3% 0.084 19.4) |
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 #4B1318 | 14.94:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #4B1318 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #4B1318 text on white | 14.94:1 | AAA | Lc 101.2 | Preferred for body text |
| #4B1318 text on black | 1.40:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FCCBCA
oklch(88.4% 0.056 19.6)
-
Step 300
300
#FBA6A7
oklch(80.9% 0.101 18.7)
-
Step 400
400
#F47278
oklch(70.8% 0.16 19.2)
-
Step 500
500
#EB4255
oklch(63.1% 0.204 19.3)
-
Step 600
600
#D6033A
oklch(55.5% 0.222 19.3)
-
Step 700
700
#B6002F
oklch(49.1% 0.197 19.5)
-
Step 800
800
#960126
oklch(42.7% 0.171 19.2)
-
Step 900
900
#791523
oklch(37.8% 0.133 19.5)
-
Step 950
950 (this color)
#4B1318
oklch(28.3% 0.084 19.4)
#4B1318 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) | #222018 | 0.091 |
| Deuteranopia (no green cones) | #302B17 | 0.083 |
| Tritanopia (no blue cones) | #530615 | 0.023 |
| Achromatopsia (no color) | #272727 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B1318
#4B1318
oklch(28.3% 0.084 19.4)
- #003133
#003133
oklch(28.4% 0.048 199.1)
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 #4B1318, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.036
- Chocolate Brown #411900 ΔE 0.044
- Deep Brown #410200 ΔE 0.049
- Burgundy #610023 ΔE 0.055
- Dark Maroon #3C0008 ΔE 0.058
- Claret #680018 ΔE 0.065
- Dark Brown #341C02 ΔE 0.067
- Dark Plum #3F012C ΔE 0.069
Use #4B1318 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.