#581529
Closest named color: Burgundy (#610023). oklch(31.5% 0.099 6.9), rgb(88, 21, 41).
Aa
White text reads best on this color (13.51:1).
About this color
#581529 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.099 and its hue 7°. 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 13.51:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.55:1 |
| White text | 13.51:1 |
Values
| HEX | #581529 |
| RGB | rgb(88, 21, 41) |
| HSL | hsl(342, 61%, 21%) |
| OKLCH | oklch(31.5% 0.099 6.9) |
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 #581529 | 13.51:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #581529 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #581529 text on white | 13.51:1 | AAA | Lc 99.2 | Preferred for body text |
| #581529 text on black | 1.55:1 | 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
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FFE1E6
oklch(93.6% 0.034 6.4)
-
Step 200
200
#FFC9D2
oklch(88.6% 0.062 7.2)
-
Step 300
300
#FFA1B4
oklch(80.8% 0.113 6.8)
-
Step 400
400
#FC658D
oklch(70.7% 0.186 6.8)
-
Step 500
500
#F42271
oklch(63.1% 0.238 6.8)
-
Step 600
600
#D3005D
oklch(55.6% 0.223 6.9)
-
Step 700
700
#B3004D
oklch(49.2% 0.197 7.2)
-
Step 800
800
#94003F
oklch(42.8% 0.171 6.9)
-
Step 900
900
#7C0034
oklch(37.6% 0.151 6.6)
-
Step 950
950 (this color)
#581529
oklch(31.5% 0.099 6.9)
#581529 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) | #252629 | 0.110 |
| Deuteranopia (no green cones) | #363327 | 0.100 |
| Tritanopia (no blue cones) | #60091D | 0.025 |
| Achromatopsia (no color) | #2E2E2E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581529
#581529
oklch(31.5% 0.099 6.9)
- #003A36
#003A36
oklch(31.4% 0.055 187.3)
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 #581529, 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 0.042
- Reddy Brown #6E1005 ΔE 0.065
- Merlot #730039 ΔE 0.066
- Mahogany #4A0100 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.072
- Bordeaux #7B002C ΔE 0.076
- Wine Red #7B0323 ΔE 0.077
Use #581529 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.