#531818
Closest named color: Burgundy (#610023). oklch(30.5% 0.088 24), rgb(83, 24, 24).
Aa
White text reads best on this color (13.89:1).
About this color
#531818 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.088 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.047 away. White text reads best on it, at 13.89:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.51:1 |
| White text | 13.89:1 |
Values
| HEX | #531818 |
| RGB | rgb(83, 24, 24) |
| HSL | hsl(0, 55%, 21%) |
| OKLCH | oklch(30.5% 0.088 24) |
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 #531818 | 13.89:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #531818 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #531818 text on white | 13.89:1 | AAA | Lc 99.9 | Preferred for body text |
| #531818 text on black | 1.51:1 | 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
#FEE3E0
oklch(93.7% 0.03 25.3)
-
Step 200
200
#FECBC7
oklch(88.6% 0.058 23.5)
-
Step 300
300
#FDA6A0
oklch(80.9% 0.104 23.9)
-
Step 400
400
#F7706C
oklch(70.7% 0.167 24)
-
Step 500
500
#EF3D44
oklch(63.1% 0.214 24)
-
Step 600
600
#D80028
oklch(55.6% 0.225 24)
-
Step 700
700
#B70020
oklch(49.1% 0.199 24)
-
Step 800
800
#970019
oklch(42.6% 0.172 23.9)
-
Step 900
900
#7B1119
oklch(37.7% 0.139 24)
-
Step 950
950 (this color)
#531818
oklch(30.5% 0.088 24)
#531818 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) | #282417 | 0.094 |
| Deuteranopia (no green cones) | #373116 | 0.087 |
| Tritanopia (no blue cones) | #5C0A19 | 0.027 |
| Achromatopsia (no color) | #2C2C2C | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #531818
#531818
oklch(30.5% 0.088 24)
- #00363B
#00363B
oklch(30.4% 0.052 204.8)
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 #531818, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.047
- Claret #680018 ΔE 0.050
- Mahogany #4A0100 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.052
- Reddy Brown #6E1005 ΔE 0.061
- Deep Brown #410200 ΔE 0.068
- Dark Brown #341C02 ΔE 0.078
- Blood #770001 ΔE 0.079
Use #531818 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.