#4B131A
Closest named color: Mahogany (#4A0100). oklch(28.4% 0.084 17.2), rgb(75, 19, 26).
Aa
White text reads best on this color (14.92:1).
About this color
#4B131A is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.084 and its hue 17°. 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 14.92:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.40:1 |
| White text | 14.92:1 |
Values
| HEX | #4B131A |
| RGB | rgb(75, 19, 26) |
| HSL | hsl(353, 60%, 18%) |
| OKLCH | oklch(28.4% 0.084 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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4B131A | 14.92:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #4B131A | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #4B131A text on white | 14.92:1 | AAA | Lc 101.2 | Preferred for body text |
| #4B131A 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
#FDE3E3
oklch(93.7% 0.029 17.7)
-
Step 200
200
#FCCBCC
oklch(88.5% 0.056 16.9)
-
Step 300
300
#FAA6A9
oklch(80.8% 0.1 17.2)
-
Step 400
400
#F3717C
oklch(70.6% 0.16 16.9)
-
Step 500
500
#EB425B
oklch(63.2% 0.204 17.2)
-
Step 600
600
#D60241
oklch(55.6% 0.222 17.1)
-
Step 700
700
#B50035
oklch(49% 0.196 17.2)
-
Step 800
800
#96002A
oklch(42.7% 0.171 17.4)
-
Step 900
900
#781426
oklch(37.6% 0.133 17.3)
-
Step 950
950 (this color)
#4B131A
oklch(28.4% 0.084 17.2)
#4B131A 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) | #21201A | 0.093 |
| Deuteranopia (no green cones) | #302B19 | 0.083 |
| Tritanopia (no blue cones) | #530716 | 0.022 |
| Achromatopsia (no color) | #272727 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B131A
#4B131A
oklch(28.4% 0.084 17.2)
- #003132
#003132
oklch(28.4% 0.048 197)
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 #4B131A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.038
- Chocolate Brown #411900 ΔE 0.047
- Deep Brown #410200 ΔE 0.051
- Burgundy #610023 ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.059
- Claret #680018 ΔE 0.065
- Dark Plum #3F012C ΔE 0.067
- Dark Brown #341C02 ΔE 0.069
Use #4B131A 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.