#521B08
Closest named color: Chocolate Brown (#411900). oklch(30.5% 0.087 38.3), rgb(82, 27, 8).
Aa
White text reads best on this color (13.82:1).
About this color
#521B08 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.087 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.042 away. White text reads best on it, at 13.82:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.51:1 |
| White text | 13.82:1 |
Values
| HEX | #521B08 |
| RGB | rgb(82, 27, 8) |
| HSL | hsl(15, 82%, 18%) |
| OKLCH | oklch(30.5% 0.087 38.3) |
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 #521B08 | 13.82:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #521B08 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #521B08 text on white | 13.82:1 | AAA | Lc 99.8 | Preferred for body text |
| #521B08 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FDE4DC
oklch(93.7% 0.03 38.6)
-
Step 200
200
#FCCDBE
oklch(88.5% 0.057 38.4)
-
Step 300
300
#FBA98F
oklch(80.9% 0.104 38.3)
-
Step 400
400
#F4764D
oklch(70.6% 0.165 38.5)
-
Step 500
500
#EA4B00
oklch(63.1% 0.206 38.2)
-
Step 600
600
#C63E00
oklch(55.6% 0.181 38.2)
-
Step 700
700
#A73300
oklch(49% 0.16 38.2)
-
Step 800
800
#8A2900
oklch(42.7% 0.139 38.4)
-
Step 900
900
#742100
oklch(37.7% 0.122 38.4)
-
Step 950
950 (this color)
#521B08
oklch(30.5% 0.087 38.3)
#521B08 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) | #2B2506 | 0.086 |
| Deuteranopia (no green cones) | #383106 | 0.079 |
| Tritanopia (no blue cones) | #5B0D17 | 0.038 |
| Achromatopsia (no color) | #2D2D2D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #521B08
#521B08
oklch(30.5% 0.087 38.3)
- #003542
#003542
oklch(30.4% 0.055 219.9)
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 #521B08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.042
- Mahogany #4A0100 ΔE 0.052
- Reddy Brown #6E1005 ΔE 0.061
- Claret #680018 ΔE 0.061
- Burgundy #610023 ΔE 0.065
- Deep Brown #410200 ΔE 0.069
- Dark Brown #341C02 ΔE 0.069
- Blood #770001 ΔE 0.081
Use #521B08 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.