#B82A0A
Closest named color: Rusty Red (#AF2F0D). oklch(51.2% 0.182 33.1), rgb(184, 42, 10).
Aa
White text reads best on this color (6.22:1).
About this color
#B82A0A is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.182 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.018 away. White text reads best on it, at 6.22:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #B82A0A |
| RGB | rgb(184, 42, 10) |
| HSL | hsl(11, 90%, 38%) |
| OKLCH | oklch(51.2% 0.182 33.1) |
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 #B82A0A | 6.22:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #B82A0A | 3.37:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #B82A0A text on white | 6.22:1 | AA | Lc 79.5 | Fine for body text |
| #B82A0A text on black | 3.37:1 | AA large text | Lc -22.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F8CEC5
oklch(88.5% 0.049 32.1)
-
Step 300
300
#F4AC9C
oklch(80.9% 0.088 33)
-
Step 400
400
#EB7C65
oklch(70.7% 0.142 32.9)
-
Step 500
500
#E15539
oklch(63.1% 0.18 33.2)
-
Step 600
600
#CD310F
oklch(55.7% 0.197 33)
-
Step 700
700 (this color)
#B82A0A
oklch(51.2% 0.182 33.1)
-
Step 800
800
#8F1F07
oklch(42.6% 0.151 33)
-
Step 900
900
#732111
oklch(37.6% 0.118 33)
-
Step 950
950
#44150C
oklch(27% 0.075 32.8)
#B82A0A 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) | #584D01 | 0.193 |
| Deuteranopia (no green cones) | #7A6C00 | 0.174 |
| Tritanopia (no blue cones) | #CB0026 | 0.049 |
| Achromatopsia (no color) | #616161 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B82A0A
#B82A0A
oklch(51.2% 0.182 33.1)
- #007485
#007485
oklch(51.3% 0.09 212.3)
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 #B82A0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.018
- Firebrick #B22222 ΔE 0.025
- Rufous #AE2012 ΔE 0.028
- Rust Red #AA2704 ΔE 0.031
- Scarlet #BE0119 ΔE 0.034
- Sinopia #BB3E03 ΔE 0.034
- Brown #A52A2A ΔE 0.045
- Dull Red #BB3F3F ΔE 0.047
Use #B82A0A 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.