#5B151A
Closest named color: Claret (#680018). oklch(31.7% 0.101 21.3), rgb(91, 21, 26).
Aa
White text reads best on this color (13.40:1).
About this color
#5B151A is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.101 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.032 away. White text reads best on it, at 13.40:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.56:1 |
| White text | 13.40:1 |
Values
| HEX | #5B151A |
| RGB | rgb(91, 21, 26) |
| HSL | hsl(356, 63%, 22%) |
| OKLCH | oklch(31.7% 0.101 21.3) |
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 #5B151A | 13.40:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #5B151A | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #5B151A text on white | 13.40:1 | AAA | Lc 99.0 | Preferred for body text |
| #5B151A text on black | 1.56:1 | 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
#FFCAC8
oklch(88.5% 0.061 20.9)
-
Step 300
300
#FFA4A2
oklch(80.9% 0.108 21.1)
-
Step 400
400
#FF676C
oklch(70.7% 0.186 21.2)
-
Step 500
500
#FB1A41
oklch(63.1% 0.245 21.4)
-
Step 600
600
#D70033
oklch(55.6% 0.224 21.2)
-
Step 700
700
#B60029
oklch(49% 0.197 21.4)
-
Step 800
800
#970020
oklch(42.7% 0.172 21.5)
-
Step 900
900
#7F001A
oklch(37.7% 0.152 21.2)
-
Step 950
950 (this color)
#5B151A
oklch(31.7% 0.101 21.3)
#5B151A 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) | #29251A | 0.109 |
| Deuteranopia (no green cones) | #3A3418 | 0.101 |
| Tritanopia (no blue cones) | #650117 | 0.028 |
| Achromatopsia (no color) | #2F2F2F | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B151A
#5B151A
oklch(31.7% 0.101 21.3)
- #003A3E
#003A3E
oklch(31.7% 0.054 202.4)
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 #5B151A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.032
- Burgundy #610023 ΔE 0.034
- Reddy Brown #6E1005 ΔE 0.046
- Mahogany #4A0100 ΔE 0.061
- Blood #770001 ΔE 0.063
- Chocolate Brown #411900 ΔE 0.069
- Wine Red #7B0323 ΔE 0.071
- Merlot #730039 ΔE 0.075
Use #5B151A 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.