#531B3B
Closest named color: Grape Purple (#5D1451). oklch(32.1% 0.092 348.2), rgb(83, 27, 59).
Aa
White text reads best on this color (13.22:1).
About this color
#531B3B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.092 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.047 away. White text reads best on it, at 13.22:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.58:1 |
| White text | 13.22:1 |
Values
| HEX | #531B3B |
| RGB | rgb(83, 27, 59) |
| HSL | hsl(326, 51%, 22%) |
| OKLCH | oklch(32.1% 0.092 348.2) |
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 #531B3B | 13.22:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #531B3B | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #531B3B text on white | 13.22:1 | AAA | Lc 99.0 | Preferred for body text |
| #531B3B 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
#FEF2F7
oklch(97.2% 0.014 350.1)
-
Step 100
100
#FBE2ED
oklch(93.6% 0.031 349.3)
-
Step 200
200
#F9CAE0
oklch(88.6% 0.06 348.6)
-
Step 300
300
#F5A3CD
oklch(80.8% 0.11 347.8)
-
Step 400
400
#EC6DB3
oklch(70.7% 0.174 348.2)
-
Step 500
500
#E23AA0
oklch(63.1% 0.223 348.3)
-
Step 600
600
#CA008A
oklch(55.5% 0.233 348.2)
-
Step 700
700
#AB0074
oklch(49% 0.206 348.3)
-
Step 800
800
#8E005F
oklch(42.8% 0.179 348.6)
-
Step 900
900
#740F4F
oklch(37.8% 0.146 348.1)
-
Step 950
950 (this color)
#531B3B
oklch(32.1% 0.092 348.2)
#531B3B 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) | #222A3C | 0.101 |
| Deuteranopia (no green cones) | #31333A | 0.090 |
| Tritanopia (no blue cones) | #591928 | 0.036 |
| Achromatopsia (no color) | #303030 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #531B3B
#531B3B
oklch(32.1% 0.092 348.2)
- #003D2D
#003D2D
oklch(32% 0.064 168.9)
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 #531B3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.047
- Burgundy #610023 ΔE 0.053
- Deep Violet #490648 ΔE 0.057
- Plum Purple #4E0550 ΔE 0.061
- Eggplant Purple #430541 ΔE 0.064
- Claret #680018 ΔE 0.070
- Aubergine #3D0734 ΔE 0.070
- Merlot #730039 ΔE 0.070
Use #531B3B 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.