#B82A1C
Closest named color: Firebrick (#B22222). oklch(51.4% 0.18 30), rgb(184, 42, 28).
Aa
White text reads best on this color (6.20:1).
About this color
#B82A1C is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.180 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.020 away. White text reads best on it, at 6.20:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.38:1 |
| White text | 6.20:1 |
Values
| HEX | #B82A1C |
| RGB | rgb(184, 42, 28) |
| HSL | hsl(5, 74%, 42%) |
| OKLCH | oklch(51.4% 0.18 30) |
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 #B82A1C | 6.20:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #B82A1C | 3.38:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #B82A1C text on white | 6.20:1 | AA | Lc 79.4 | Fine for body text |
| #B82A1C text on black | 3.38:1 | AA large text | Lc -22.4 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F8CEC6
oklch(88.5% 0.049 30.7)
-
Step 300
300
#F4AC9F
oklch(81% 0.087 30.5)
-
Step 400
400
#EB7C6B
oklch(70.8% 0.14 30)
-
Step 500
500
#E15443
oklch(63.1% 0.179 29.8)
-
Step 600
600
#CC3121
oklch(55.6% 0.194 30.1)
-
Step 700
700 (this color)
#B82A1C
oklch(51.4% 0.18 30)
-
Step 800
800
#8F1F14
oklch(42.7% 0.149 30)
-
Step 900
900
#732118
oklch(37.7% 0.117 29.8)
-
Step 950
950
#44150F
oklch(27.1% 0.074 29.9)
#B82A1C 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) | #574D18 | 0.193 |
| Deuteranopia (no green cones) | #7A6C13 | 0.174 |
| Tritanopia (no blue cones) | #CB0029 | 0.045 |
| Achromatopsia (no color) | #616161 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B82A1C
#B82A1C
oklch(51.4% 0.18 30)
- #007483
#007483
oklch(51.2% 0.089 210.4)
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 #B82A1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.020
- Rusty Red #AF2F0D ΔE 0.021
- Rufous #AE2012 ΔE 0.027
- Scarlet #BE0119 ΔE 0.029
- Rust Red #AA2704 ΔE 0.033
- Sinopia #BB3E03 ΔE 0.038
- Lipstick Red #C0022F ΔE 0.040
- Dull Red #BB3F3F ΔE 0.041
Use #B82A1C 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.