#B02B08
Closest named color: Rusty Red (#AF2F0D). oklch(49.9% 0.174 34), rgb(176, 43, 8).
Aa
White text reads best on this color (6.57:1).
About this color
#B02B08 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.174 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.005 away. White text reads best on it, at 6.57:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #B02B08 |
| RGB | rgb(176, 43, 8) |
| HSL | hsl(13, 91%, 36%) |
| OKLCH | oklch(49.9% 0.174 34) |
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 #B02B08 | 6.57:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #B02B08 | 3.19:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #B02B08 text on white | 6.57:1 | AA | Lc 81.1 | Fine for body text |
| #B02B08 text on black | 3.19:1 | AA large text | Lc -20.8 | 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
#F6CFC5
oklch(88.5% 0.046 34.7)
-
Step 300
300
#F2AD9D
oklch(80.9% 0.085 33.5)
-
Step 400
400
#E87F67
oklch(70.8% 0.135 33.9)
-
Step 500
500
#DE593C
oklch(63.2% 0.173 33.9)
-
Step 600
600
#C93815
oklch(55.6% 0.187 34)
-
Step 700
700 (this color)
#B02B08
oklch(49.9% 0.174 34)
-
Step 800
800
#8D240B
oklch(42.8% 0.144 33.9)
-
Step 900
900
#712413
oklch(37.7% 0.112 34)
-
Step 950
950
#43160D
oklch(27% 0.072 33.1)
#B02B08 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) | #554A00 | 0.183 |
| Deuteranopia (no green cones) | #766800 | 0.164 |
| Tritanopia (no blue cones) | #C30026 | 0.052 |
| Achromatopsia (no color) | #5D5D5D | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B02B08
#B02B08
oklch(49.9% 0.174 34)
- #006F81
#006F81
oklch(49.8% 0.088 214)
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 #B02B08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.005
- Rust Red #AA2704 ΔE 0.015
- Rufous #AE2012 ΔE 0.018
- Firebrick #B22222 ΔE 0.023
- Brick #A03623 ΔE 0.034
- Brown #A52A2A ΔE 0.034
- Russet #A13905 ΔE 0.034
- Burnt Red #9F2305 ΔE 0.040
Use #B02B08 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.