#5B1123
Closest named color: Burgundy (#610023). oklch(31.5% 0.106 12), rgb(91, 17, 35).
Aa
White text reads best on this color (13.55:1).
About this color
#5B1123 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.106 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.021 away. White text reads best on it, at 13.55:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.54:1 |
| White text | 13.55:1 |
Values
| HEX | #5B1123 |
| RGB | rgb(91, 17, 35) |
| HSL | hsl(345, 69%, 21%) |
| OKLCH | oklch(31.5% 0.106 12) |
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 #5B1123 | 13.55:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #5B1123 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #5B1123 text on white | 13.55:1 | AAA | Lc 99.1 | Preferred for body text |
| #5B1123 text on black | 1.54:1 | 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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FFE1E4
oklch(93.5% 0.033 10.9)
-
Step 200
200
#FFC9CE
oklch(88.5% 0.062 12.2)
-
Step 300
300
#FFA2AE
oklch(80.8% 0.111 11.5)
-
Step 400
400
#FF6481
oklch(70.8% 0.189 12)
-
Step 500
500
#FB0060
oklch(63% 0.252 11.8)
-
Step 600
600
#D50050
oklch(55.7% 0.223 11.9)
-
Step 700
700
#B40042
oklch(49.1% 0.196 12)
-
Step 800
800
#950035
oklch(42.7% 0.171 12.1)
-
Step 900
900
#7D002C
oklch(37.6% 0.15 11.6)
-
Step 950
950 (this color)
#5B1123
oklch(31.5% 0.106 12)
#5B1123 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) | #252423 | 0.118 |
| Deuteranopia (no green cones) | #383421 | 0.108 |
| Tritanopia (no blue cones) | #640019 | 0.025 |
| Achromatopsia (no color) | #2E2E2E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1123
#5B1123
oklch(31.5% 0.106 12)
- #003A39
#003A39
oklch(31.5% 0.054 192.9)
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 #5B1123, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.021
- Claret #680018 ΔE 0.032
- Reddy Brown #6E1005 ΔE 0.056
- Merlot #730039 ΔE 0.065
- Mahogany #4A0100 ΔE 0.066
- Blood #770001 ΔE 0.069
- Wine Red #7B0323 ΔE 0.070
- Bordeaux #7B002C ΔE 0.071
Use #5B1123 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.