#581421
Closest named color: Burgundy (#610023). oklch(31.2% 0.099 14.1), rgb(88, 20, 33).
Aa
White text reads best on this color (13.66:1).
About this color
#581421 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.099 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.029 away. White text reads best on it, at 13.66:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.53:1 |
| White text | 13.66:1 |
Values
| HEX | #581421 |
| RGB | rgb(88, 20, 33) |
| HSL | hsl(349, 63%, 21%) |
| OKLCH | oklch(31.2% 0.099 14.1) |
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 #581421 | 13.66:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #581421 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #581421 text on white | 13.66:1 | AAA | Lc 99.4 | Preferred for body text |
| #581421 text on black | 1.53:1 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FFE2E3
oklch(93.7% 0.032 15.4)
-
Step 200
200
#FFC9CD
oklch(88.4% 0.062 13.4)
-
Step 300
300
#FFA3AB
oklch(80.9% 0.11 14.1)
-
Step 400
400
#FF657C
oklch(70.8% 0.188 14.3)
-
Step 500
500
#F7215B
oklch(63.1% 0.239 14.3)
-
Step 600
600
#D5004A
oklch(55.6% 0.222 14)
-
Step 700
700
#B5003D
oklch(49.2% 0.197 14.2)
-
Step 800
800
#950031
oklch(42.6% 0.17 14.1)
-
Step 900
900
#7E0028
oklch(37.7% 0.151 14.1)
-
Step 950
950 (this color)
#581421
oklch(31.2% 0.099 14.1)
#581421 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) | #262521 | 0.109 |
| Deuteranopia (no green cones) | #37331F | 0.101 |
| Tritanopia (no blue cones) | #610419 | 0.025 |
| Achromatopsia (no color) | #2E2E2E | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #581421
#581421
oklch(31.2% 0.099 14.1)
- #003939
#003939
oklch(31.2% 0.053 194.8)
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 #581421, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.029
- Claret #680018 ΔE 0.037
- Reddy Brown #6E1005 ΔE 0.058
- Mahogany #4A0100 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.071
- Merlot #730039 ΔE 0.073
- Blood #770001 ΔE 0.073
- Wine Red #7B0323 ΔE 0.077
Use #581421 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.