#B82500
Closest named color: Rusty Red (#AF2F0D). oklch(50.8% 0.187 33.2), rgb(184, 37, 0).
Aa
White text reads best on this color (6.35:1).
About this color
#B82500 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.187 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.019 away. White text reads best on it, at 6.35:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #B82500 |
| RGB | rgb(184, 37, 0) |
| HSL | hsl(12, 100%, 36%) |
| OKLCH | oklch(50.8% 0.187 33.2) |
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 #B82500 | 6.35:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #B82500 | 3.30:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #B82500 text on white | 6.35:1 | AA | Lc 79.9 | Fine for body text |
| #B82500 text on black | 3.30:1 | AA large text | Lc -21.9 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC4
oklch(88.5% 0.05 33.6)
-
Step 300
300
#F5AC9B
oklch(81% 0.09 33.6)
-
Step 400
400
#EC7B63
oklch(70.6% 0.145 33.2)
-
Step 500
500
#E35336
oklch(63.2% 0.185 33.3)
-
Step 600
600
#CE2E07
oklch(55.6% 0.2 33.2)
-
Step 700
700 (this color)
#B82500
oklch(50.8% 0.187 33.2)
-
Step 800
800
#901D03
oklch(42.6% 0.154 33.2)
-
Step 900
900
#74200F
oklch(37.7% 0.121 33.2)
-
Step 950
950
#44150B
oklch(27% 0.075 33.7)
#B82500 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) | #564B00 | 0.197 |
| Deuteranopia (no green cones) | #796B00 | 0.177 |
| Tritanopia (no blue cones) | #CB0021 | 0.047 |
| Achromatopsia (no color) | #5F5F5F | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B82500
#B82500
oklch(50.8% 0.187 33.2)
- #007284
#007284
oklch(50.7% 0.089 213.6)
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 #B82500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.019
- Firebrick #B22222 ΔE 0.024
- Rufous #AE2012 ΔE 0.025
- Rust Red #AA2704 ΔE 0.028
- Scarlet #BE0119 ΔE 0.031
- Sinopia #BB3E03 ΔE 0.039
- Brown #A52A2A ΔE 0.045
- Lipstick Red #C0022F ΔE 0.047
Use #B82500 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.