#581B27
Closest named color: Burgundy (#610023). oklch(32.2% 0.09 11.9), rgb(88, 27, 39).
Aa
White text reads best on this color (13.11:1).
About this color
#581B27 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.090 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.037 away. White text reads best on it, at 13.11:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.60:1 |
| White text | 13.11:1 |
Values
| HEX | #581B27 |
| RGB | rgb(88, 27, 39) |
| HSL | hsl(348, 53%, 23%) |
| OKLCH | oklch(32.2% 0.09 11.9) |
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 #581B27 | 13.11:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #581B27 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #581B27 text on white | 13.11:1 | AAA | Lc 98.8 | Preferred for body text |
| #581B27 text on black | 1.60:1 | 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
#FEE2E4
oklch(93.6% 0.031 12.8)
-
Step 200
200
#FECACF
oklch(88.6% 0.059 11.9)
-
Step 300
300
#FDA4AE
oklch(80.9% 0.106 12.4)
-
Step 400
400
#F76C84
oklch(70.7% 0.171 11.9)
-
Step 500
500
#EF3766
oklch(63.2% 0.218 11.9)
-
Step 600
600
#D50050
oklch(55.7% 0.223 11.9)
-
Step 700
700
#B40042
oklch(49.1% 0.196 12)
-
Step 800
800
#950035
oklch(42.7% 0.171 12.1)
-
Step 900
900
#7B0B2D
oklch(37.8% 0.143 12)
-
Step 950
950 (this color)
#581B27
oklch(32.2% 0.09 11.9)
#581B27 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) | #292927 | 0.100 |
| Deuteranopia (no green cones) | #393526 | 0.091 |
| Tritanopia (no blue cones) | #601120 | 0.022 |
| Achromatopsia (no color) | #303030 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581B27
#581B27
oklch(32.2% 0.09 11.9)
- #003C3B
#003C3B
oklch(32.2% 0.055 192.9)
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 #581B27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.037
- Claret #680018 ΔE 0.044
- Reddy Brown #6E1005 ΔE 0.059
- Merlot #730039 ΔE 0.071
- Mahogany #4A0100 ΔE 0.072
- Blood #770001 ΔE 0.075
- Wine Red #7B0323 ΔE 0.075
- Chocolate Brown #411900 ΔE 0.076
Use #581B27 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.