#521309
Closest named color: Mahogany (#4A0100). oklch(29.5% 0.095 31.8), rgb(82, 19, 9).
Aa
White text reads best on this color (14.42:1).
About this color
#521309 is a dark, moderately saturated red. In OKLCH its lightness is 29%, its chroma 0.095 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.038 away. White text reads best on it, at 14.42:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.45:1 |
| White text | 14.42:1 |
Values
| HEX | #521309 |
| RGB | rgb(82, 19, 9) |
| HSL | hsl(8, 80%, 18%) |
| OKLCH | oklch(29.5% 0.095 31.8) |
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 #521309 | 14.42:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #521309 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #521309 text on white | 14.42:1 | AAA | Lc 100.4 | Preferred for body text |
| #521309 text on black | 1.45:1 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DD
oklch(93.7% 0.032 32.1)
-
Step 200
200
#FFCBC0
oklch(88.5% 0.061 32.1)
-
Step 300
300
#FFA694
oklch(80.9% 0.109 32)
-
Step 400
400
#FD6D54
oklch(70.8% 0.181 31.8)
-
Step 500
500
#F53514
oklch(63.1% 0.23 31.9)
-
Step 600
600
#D32200
oklch(55.6% 0.212 31.7)
-
Step 700
700
#B21C00
oklch(49.1% 0.187 31.9)
-
Step 800
800
#941500
oklch(42.8% 0.163 31.8)
-
Step 900
900
#7C1000
oklch(37.7% 0.143 31.8)
-
Step 950
950 (this color)
#521309
oklch(29.5% 0.095 31.8)
#521309 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) | #262107 | 0.100 |
| Deuteranopia (no green cones) | #352F06 | 0.092 |
| Tritanopia (no blue cones) | #5B0011 | 0.032 |
| Achromatopsia (no color) | #2A2A2A | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #521309
#521309
oklch(29.5% 0.095 31.8)
- #00333B
#00333B
oklch(29.5% 0.051 211.4)
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 #521309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.038
- Chocolate Brown #411900 ΔE 0.042
- Claret #680018 ΔE 0.055
- Burgundy #610023 ΔE 0.056
- Deep Brown #410200 ΔE 0.056
- Reddy Brown #6E1005 ΔE 0.063
- Dark Brown #341C02 ΔE 0.071
- Dark Maroon #3C0008 ΔE 0.072
Use #521309 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.