#821E1F
Closest named color: Dark Red (#8B0000). oklch(40.3% 0.135 25.2), rgb(130, 30, 31).
Aa
White text reads best on this color (9.74:1).
About this color
#821E1F is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.135 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.031 away. White text reads best on it, at 9.74:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #821E1F |
| RGB | rgb(130, 30, 31) |
| HSL | hsl(359, 62%, 31%) |
| OKLCH | oklch(40.3% 0.135 25.2) |
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 #821E1F | 9.74:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #821E1F | 2.15:1 | Fails | Lc 12.6 | Not readable |
| #821E1F text on white | 9.74:1 | AAA | Lc 91.4 | Preferred for body text |
| #821E1F text on black | 2.15:1 | 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 800.
-
Step 50
50
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F5CFCB
oklch(88.6% 0.043 25.1)
-
Step 300
300
#F0ADA7
oklch(80.9% 0.08 24.7)
-
Step 400
400
#E57F78
oklch(70.7% 0.127 24.9)
-
Step 500
500
#DA5A55
oklch(63.1% 0.162 25.1)
-
Step 600
600
#C53B3A
oklch(55.6% 0.175 25.3)
-
Step 700
700
#AA2B2C
oklch(49.1% 0.164 25.2)
-
Step 800
800 (this color)
#821E1F
oklch(40.3% 0.135 25.2)
-
Step 900
900
#6F2523
oklch(37.7% 0.106 25.1)
-
Step 950
950
#411715
oklch(26.9% 0.066 25.2)
#821E1F 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) | #3C361E | 0.146 |
| Deuteranopia (no green cones) | #554C1B | 0.134 |
| Tritanopia (no blue cones) | #900020 | 0.035 |
| Achromatopsia (no color) | #444444 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #821E1F
#821E1F
oklch(40.3% 0.135 25.2)
- #00535A
#00535A
oklch(40.3% 0.069 204.7)
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 #821E1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.031
- Brick Red #8F1402 ΔE 0.032
- Maroon #800000 ΔE 0.034
- Wine Red #7B0323 ΔE 0.039
- Red Brown #8B2E16 ΔE 0.041
- Chestnut #742802 ΔE 0.044
- Red Wine #8C0034 ΔE 0.047
- Blood #770001 ΔE 0.048
Use #821E1F 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.