#5A1537
Closest named color: Burgundy (#610023). oklch(32.4% 0.106 354.5), rgb(90, 21, 55).
Aa
White text reads best on this color (13.14:1).
About this color
#5A1537 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.106 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.038 away. White text reads best on it, at 13.14:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #5A1537 |
| RGB | rgb(90, 21, 55) |
| HSL | hsl(330, 62%, 22%) |
| OKLCH | oklch(32.4% 0.106 354.5) |
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 #5A1537 | 13.14:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #5A1537 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #5A1537 text on white | 13.14:1 | AAA | Lc 98.7 | Preferred for body text |
| #5A1537 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 900.
-
Step 50
50
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F2CEDB
oklch(88.6% 0.044 354.3)
-
Step 300
300
#EBACC4
oklch(81% 0.08 354.4)
-
Step 400
400
#DD7DA5
oklch(70.6% 0.127 354.4)
-
Step 500
500
#D1598F
oklch(63.1% 0.161 354.6)
-
Step 600
600
#BC3A79
oklch(55.6% 0.176 354.6)
-
Step 700
700
#A22B66
oklch(49.1% 0.164 354.6)
-
Step 800
800
#842553
oklch(42.7% 0.136 354.8)
-
Step 900
900 (this color)
#5A1537
oklch(32.4% 0.106 354.5)
-
Step 950
950
#3F1628
oklch(27% 0.068 355.2)
#5A1537 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) | #222838 | 0.117 |
| Deuteranopia (no green cones) | #353535 | 0.106 |
| Tritanopia (no blue cones) | #620F24 | 0.036 |
| Achromatopsia (no color) | #303030 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A1537
#5A1537
oklch(32.4% 0.106 354.5)
- #003E32
#003E32
oklch(32.5% 0.061 174.7)
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 #5A1537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.038
- Grape Purple #5D1451 ΔE 0.047
- Merlot #730039 ΔE 0.055
- Claret #680018 ΔE 0.056
- Deep Violet #490648 ΔE 0.064
- Plum Purple #4E0550 ΔE 0.066
- Eggplant Purple #430541 ΔE 0.071
- Velvet #750851 ΔE 0.073
Use #5A1537 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.