#5B1819
Closest named color: Claret (#680018). oklch(32.1% 0.098 23.8), rgb(91, 24, 25).
Aa
White text reads best on this color (13.21:1).
About this color
#5B1819 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.098 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.036 away. White text reads best on it, at 13.21:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.58:1 |
| White text | 13.21:1 |
Values
| HEX | #5B1819 |
| RGB | rgb(91, 24, 25) |
| HSL | hsl(359, 58%, 23%) |
| OKLCH | oklch(32.1% 0.098 23.8) |
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 #5B1819 | 13.21:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #5B1819 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #5B1819 text on white | 13.21:1 | AAA | Lc 98.8 | Preferred for body text |
| #5B1819 text on black | 1.58:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E0
oklch(93.6% 0.032 22.5)
-
Step 200
200
#FFCAC6
oklch(88.4% 0.061 23.4)
-
Step 300
300
#FFA59F
oklch(81% 0.108 23.9)
-
Step 400
400
#FF6866
oklch(70.7% 0.185 23.8)
-
Step 500
500
#F8273B
oklch(63% 0.237 23.7)
-
Step 600
600
#D80029
oklch(55.6% 0.225 23.7)
-
Step 700
700
#B70021
oklch(49.2% 0.199 23.8)
-
Step 800
800
#970019
oklch(42.6% 0.172 23.9)
-
Step 900
900
#7F0014
oklch(37.6% 0.152 23.6)
-
Step 950
950 (this color)
#5B1819
oklch(32.1% 0.098 23.8)
#5B1819 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) | #2A2718 | 0.106 |
| Deuteranopia (no green cones) | #3B3517 | 0.097 |
| Tritanopia (no blue cones) | #650619 | 0.028 |
| Achromatopsia (no color) | #303030 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1819
#5B1819
oklch(32.1% 0.098 23.8)
- #003B40
#003B40
oklch(32.1% 0.055 204.2)
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 #5B1819, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.036
- Burgundy #610023 ΔE 0.040
- Reddy Brown #6E1005 ΔE 0.044
- Blood #770001 ΔE 0.062
- Mahogany #4A0100 ΔE 0.064
- Chocolate Brown #411900 ΔE 0.068
- Wine Red #7B0323 ΔE 0.072
- Chestnut #742802 ΔE 0.075
Use #5B1819 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.