#821F09
Closest named color: Brick Red (#8F1402). oklch(40.2% 0.137 33.5), rgb(130, 31, 9).
Aa
White text reads best on this color (9.77:1).
About this color
#821F09 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.137 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.027 away. White text reads best on it, at 9.77:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #821F09 |
| RGB | rgb(130, 31, 9) |
| HSL | hsl(11, 87%, 27%) |
| OKLCH | oklch(40.2% 0.137 33.5) |
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 #821F09 | 9.77:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #821F09 | 2.14:1 | Fails | Lc 12.6 | Not readable |
| #821F09 text on white | 9.77:1 | AAA | Lc 91.4 | Preferred for body text |
| #821F09 text on black | 2.14:1 | Fails | Lc -11.0 | 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 900.
-
Step 50
50
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FDE3DD
oklch(93.5% 0.03 33.1)
-
Step 200
200
#FDCCC1
oklch(88.5% 0.058 32.8)
-
Step 300
300
#FCA895
oklch(80.9% 0.104 33.3)
-
Step 400
400
#F57459
oklch(70.6% 0.164 33.3)
-
Step 500
500
#ED4520
oklch(63.1% 0.21 33.6)
-
Step 600
600
#CF2C00
oklch(55.6% 0.203 33.4)
-
Step 700
700
#AF2400
oklch(49.1% 0.179 33.5)
-
Step 800
800
#911C00
oklch(42.7% 0.156 33.4)
-
Step 900
900 (this color)
#821F09
oklch(40.2% 0.137 33.5)
-
Step 950
950
#481005
oklch(27% 0.087 33.6)
#821F09 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) | #3E3604 | 0.144 |
| Deuteranopia (no green cones) | #564C02 | 0.131 |
| Tritanopia (no blue cones) | #90001C | 0.043 |
| Achromatopsia (no color) | #444444 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #821F09
#821F09
oklch(40.2% 0.137 33.5)
- #00525F
#00525F
oklch(40.3% 0.07 212.9)
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 #821F09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.027
- Dark Red #8B0000 ΔE 0.029
- Maroon #800000 ΔE 0.032
- Chestnut #742802 ΔE 0.032
- Red Brown #8B2E16 ΔE 0.035
- Rust Brown #8B3103 ΔE 0.042
- Brown Red #922B05 ΔE 0.044
- Blood #770001 ΔE 0.046
Use #821F09 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.