#52181B
Closest named color: Burgundy (#610023). oklch(30.4% 0.087 21), rgb(82, 24, 27).
Aa
White text reads best on this color (13.95:1).
About this color
#52181B is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.087 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.046 away. White text reads best on it, at 13.95:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.50:1 |
| White text | 13.95:1 |
Values
| HEX | #52181B |
| RGB | rgb(82, 24, 27) |
| HSL | hsl(357, 55%, 21%) |
| OKLCH | oklch(30.4% 0.087 21) |
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 #52181B | 13.95:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #52181B | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #52181B text on white | 13.95:1 | AAA | Lc 100.0 | Preferred for body text |
| #52181B text on black | 1.50:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FDCBC9
oklch(88.5% 0.057 21)
-
Step 300
300
#FCA6A4
oklch(80.9% 0.102 21)
-
Step 400
400
#F67073
oklch(70.7% 0.165 20.9)
-
Step 500
500
#ED3F4F
oklch(63.1% 0.209 20.9)
-
Step 600
600
#D70034
oklch(55.6% 0.223 21)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800
#970021
oklch(42.7% 0.172 21.2)
-
Step 900
900
#7A121F
oklch(37.7% 0.137 21.2)
-
Step 950
950 (this color)
#52181B
oklch(30.4% 0.087 21)
#52181B 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) | #27241B | 0.093 |
| Deuteranopia (no green cones) | #363119 | 0.087 |
| Tritanopia (no blue cones) | #5A0B1A | 0.024 |
| Achromatopsia (no color) | #2C2C2C | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #52181B
#52181B
oklch(30.4% 0.087 21)
- #003639
#003639
oklch(30.3% 0.051 200.8)
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 #52181B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.046
- Claret #680018 ΔE 0.051
- Mahogany #4A0100 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.064
- Deep Brown #410200 ΔE 0.068
- Dark Brown #341C02 ΔE 0.079
- Dark Maroon #3C0008 ΔE 0.079
Use #52181B 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.