#820311
Closest named color: Maroon (#800000). oklch(38.4% 0.153 25.3), rgb(130, 3, 17).
Aa
White text reads best on this color (10.65:1).
About this color
#820311 is a dark, vivid red. In OKLCH its lightness is 38%, its chroma 0.153 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.013 away. White text reads best on it, at 10.65:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Maroon (#800000) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #820311 |
| RGB | rgb(130, 3, 17) |
| HSL | hsl(353, 95%, 26%) |
| OKLCH | oklch(38.4% 0.153 25.3) |
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 #820311 | 10.65:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #820311 | 1.97:1 | Fails | Lc 11.4 | Not readable |
| #820311 text on white | 10.65:1 | AAA | Lc 92.5 | Preferred for body text |
| #820311 text on black | 1.97:1 | Fails | Lc -9.9 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2DF
oklch(93.6% 0.032 24.8)
-
Step 200
200
#FFCAC5
oklch(88.4% 0.061 24.6)
-
Step 300
300
#FFA59D
oklch(80.9% 0.108 25.3)
-
Step 400
400
#FF6963
oklch(70.8% 0.184 25.2)
-
Step 500
500
#F82A35
oklch(63.1% 0.236 25.3)
-
Step 600
600
#D80021
oklch(55.6% 0.225 25.4)
-
Step 700
700
#B7001B
oklch(49.1% 0.199 25.2)
-
Step 800
800
#970014
oklch(42.6% 0.173 25.3)
-
Step 900
900 (this color)
#820311
oklch(38.4% 0.153 25.3)
-
Step 950
950
#4B080B
oklch(26.9% 0.097 24.9)
#820311 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) | #342E10 | 0.169 |
| Deuteranopia (no green cones) | #514709 | 0.152 |
| Tritanopia (no blue cones) | #90000B | 0.031 |
| Achromatopsia (no color) | #3E3E3E | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #820311
#820311
oklch(38.4% 0.153 25.3)
- #004D54
#004D54
oklch(38.4% 0.066 205.3)
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 #820311, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Maroon #800000 ΔE 0.013
- Dark Red #8B0000 ΔE 0.022
- Wine Red #7B0323 ΔE 0.027
- Blood #770001 ΔE 0.029
- Brick Red #8F1402 ΔE 0.038
- Bordeaux #7B002C ΔE 0.039
- Reddy Brown #6E1005 ΔE 0.045
- Red Wine #8C0034 ΔE 0.048
Use #820311 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.