#B82E31
Closest named color: Firebrick (#B22222). oklch(51.9% 0.175 24.7), rgb(184, 46, 49).
Aa
White text reads best on this color (6.04:1).
About this color
#B82E31 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.175 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.024 away. White text reads best on it, at 6.04:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #B82E31 |
| RGB | rgb(184, 46, 49) |
| HSL | hsl(359, 60%, 45%) |
| OKLCH | oklch(51.9% 0.175 24.7) |
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 #B82E31 | 6.04:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #B82E31 | 3.47:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #B82E31 text on white | 6.04:1 | AA | Lc 78.9 | Fine for body text |
| #B82E31 text on black | 3.47:1 | AA large text | Lc -22.9 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F7CECA
oklch(88.5% 0.047 24.6)
-
Step 300
300
#F3ACA5
oklch(81% 0.085 25.4)
-
Step 400
400
#E97C76
oklch(70.7% 0.136 24.4)
-
Step 500
500
#DF5552
oklch(63.2% 0.173 24.6)
-
Step 600
600
#CA3336
oklch(55.6% 0.188 24.8)
-
Step 700
700 (this color)
#B82E31
oklch(51.9% 0.175 24.7)
-
Step 800
800
#8D2023
oklch(42.6% 0.144 24.6)
-
Step 900
900
#722221
oklch(37.8% 0.113 24.9)
-
Step 950
950
#431514
oklch(27% 0.072 24.4)
#B82E31 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) | #575030 | 0.189 |
| Deuteranopia (no green cones) | #796D2C | 0.173 |
| Tritanopia (no blue cones) | #CB0031 | 0.044 |
| Achromatopsia (no color) | #636363 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B82E31
#B82E31
oklch(51.9% 0.175 24.7)
- #007781
#007781
oklch(51.9% 0.089 205.1)
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 #B82E31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.024
- Dull Red #BB3F3F ΔE 0.029
- Scarlet #BE0119 ΔE 0.034
- Lipstick Red #C0022F ΔE 0.034
- Rusty Red #AF2F0D ΔE 0.035
- Rufous #AE2012 ΔE 0.037
- Brown #A52A2A ΔE 0.042
- Rose Red #BE013C ΔE 0.042
Use #B82E31 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.