#5B1729
Closest named color: Burgundy (#610023). oklch(32.3% 0.099 8.9), rgb(91, 23, 41).
Aa
White text reads best on this color (13.12:1).
About this color
#5B1729 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.099 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.028 away. White text reads best on it, at 13.12:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.59:1 |
| White text | 13.12:1 |
Values
| HEX | #5B1729 |
| RGB | rgb(91, 23, 41) |
| HSL | hsl(344, 60%, 22%) |
| OKLCH | oklch(32.3% 0.099 8.9) |
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 #5B1729 | 13.12:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #5B1729 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #5B1729 text on white | 13.12:1 | AAA | Lc 98.7 | Preferred for body text |
| #5B1729 text on black | 1.59:1 | 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
#FFE1E5
oklch(93.5% 0.033 8.6)
-
Step 200
200
#FFC9D0
oklch(88.5% 0.062 9.7)
-
Step 300
300
#FFA2B2
oklch(80.9% 0.112 8.7)
-
Step 400
400
#FD6488
oklch(70.6% 0.188 8.8)
-
Step 500
500
#F61E6B
oklch(63.1% 0.241 8.8)
-
Step 600
600
#D40058
oklch(55.7% 0.223 8.9)
-
Step 700
700
#B30049
oklch(49.1% 0.196 8.9)
-
Step 800
800
#94003B
oklch(42.7% 0.171 8.9)
-
Step 900
900
#7D0031
oklch(37.7% 0.151 8.7)
-
Step 950
950 (this color)
#5B1729
oklch(32.3% 0.099 8.9)
#5B1729 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) | #272829 | 0.111 |
| Deuteranopia (no green cones) | #393527 | 0.100 |
| Tritanopia (no blue cones) | #640A1E | 0.026 |
| Achromatopsia (no color) | #303030 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1729
#5B1729
oklch(32.3% 0.099 8.9)
- #003D39
#003D39
oklch(32.4% 0.056 187.6)
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 #5B1729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.028
- Claret #680018 ΔE 0.038
- Reddy Brown #6E1005 ΔE 0.058
- Merlot #730039 ΔE 0.061
- Wine Red #7B0323 ΔE 0.069
- Bordeaux #7B002C ΔE 0.070
- Blood #770001 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.072
Use #5B1729 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.