#581C33
Closest named color: Burgundy (#610023). oklch(32.8% 0.092 359.7), rgb(88, 28, 51).
Aa
White text reads best on this color (12.89:1).
About this color
#581C33 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.092 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.041 away. White text reads best on it, at 12.89:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.62:1 |
| White text | 12.89:1 |
Values
| HEX | #581C33 |
| RGB | rgb(88, 28, 51) |
| HSL | hsl(337, 52%, 23%) |
| OKLCH | oklch(32.8% 0.092 359.7) |
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 #581C33 | 12.89:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #581C33 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #581C33 text on white | 12.89:1 | AAA | Lc 98.5 | Preferred for body text |
| #581C33 text on black | 1.62:1 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E5E9
oklch(93.7% 0.019 1.4)
-
Step 200
200
#F0CFD8
oklch(88.5% 0.039 359.6)
-
Step 300
300
#E7AFBF
oklch(81% 0.068 359.9)
-
Step 400
400
#D8839E
oklch(70.7% 0.109 359.8)
-
Step 500
500
#CB6186
oklch(63.1% 0.14 359.9)
-
Step 600
600
#B74570
oklch(55.7% 0.153 359.9)
-
Step 700
700
#9D355E
oklch(49.1% 0.143 359.5)
-
Step 800
800
#7F2D4D
oklch(42.6% 0.118 359.2)
-
Step 900
900 (this color)
#581C33
oklch(32.8% 0.092 359.7)
-
Step 950
950
#3D1925
oklch(27.1% 0.058 0.7)
#581C33 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) | #272A34 | 0.102 |
| Deuteranopia (no green cones) | #373632 | 0.093 |
| Tritanopia (no blue cones) | #601625 | 0.028 |
| Achromatopsia (no color) | #323232 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581C33
#581C33
oklch(32.8% 0.092 359.7)
- #003E36
#003E36
oklch(32.6% 0.059 180.9)
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 #581C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.041
- Claret #680018 ΔE 0.054
- Grape Purple #5D1451 ΔE 0.059
- Merlot #730039 ΔE 0.063
- Reddy Brown #6E1005 ΔE 0.072
- Deep Violet #490648 ΔE 0.076
- Bordeaux #7B002C ΔE 0.076
- Wine Red #7B0323 ΔE 0.078
Use #581C33 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.