#521918
Closest named color: Burgundy (#610023). oklch(30.5% 0.086 24.6), rgb(82, 25, 24).
Aa
White text reads best on this color (13.89:1).
About this color
#521918 is a dark, moderately saturated red. In OKLCH its lightness is 30%, its chroma 0.086 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.050 away. White text reads best on it, at 13.89:1.
| Hue family | Reds |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.51:1 |
| White text | 13.89:1 |
Values
| HEX | #521918 |
| RGB | rgb(82, 25, 24) |
| HSL | hsl(1, 55%, 21%) |
| OKLCH | oklch(30.5% 0.086 24.6) |
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 #521918 | 13.89:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #521918 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #521918 text on white | 13.89:1 | AAA | Lc 99.9 | Preferred for body text |
| #521918 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
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FDCBC7
oklch(88.5% 0.057 23.6)
-
Step 300
300
#FCA7A0
oklch(81% 0.102 24.7)
-
Step 400
400
#F5726C
oklch(70.7% 0.162 24.7)
-
Step 500
500
#ED4245
oklch(63.2% 0.207 24.6)
-
Step 600
600
#D80025
oklch(55.6% 0.225 24.6)
-
Step 700
700
#B7001E
oklch(49.1% 0.199 24.5)
-
Step 800
800
#970017
oklch(42.6% 0.173 24.5)
-
Step 900
900
#7A1419
oklch(37.8% 0.136 24.6)
-
Step 950
950 (this color)
#521918
oklch(30.5% 0.086 24.6)
#521918 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) | #282517 | 0.092 |
| Deuteranopia (no green cones) | #363116 | 0.085 |
| Tritanopia (no blue cones) | #5B0C19 | 0.027 |
| Achromatopsia (no color) | #2C2C2C | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #521918
#521918
oklch(30.5% 0.086 24.6)
- #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 #521918, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.050
- Chocolate Brown #411900 ΔE 0.050
- Mahogany #4A0100 ΔE 0.051
- Claret #680018 ΔE 0.052
- Reddy Brown #6E1005 ΔE 0.062
- Deep Brown #410200 ΔE 0.068
- Dark Brown #341C02 ΔE 0.076
- Dark Maroon #3C0008 ΔE 0.080
Use #521918 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.