#B02010
Closest named color: Rufous (#AE2012). oklch(49% 0.181 30.5), rgb(176, 32, 16).
Aa
White text reads best on this color (6.86:1).
About this color
#B02010 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.181 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.004 away. White text reads best on it, at 6.86:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 3.06:1 |
| White text | 6.86:1 |
Values
| HEX | #B02010 |
| RGB | rgb(176, 32, 16) |
| HSL | hsl(6, 83%, 38%) |
| OKLCH | oklch(49% 0.181 30.5) |
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 #B02010 | 6.86:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #B02010 | 3.06:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #B02010 text on white | 6.86:1 | AA | Lc 82.0 | Fine for body text |
| #B02010 text on black | 3.06:1 | AA large text | Lc -19.9 | 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
#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
#EB7C6A
oklch(70.7% 0.14 30.5)
-
Step 500
500
#E15441
oklch(63.1% 0.179 30.4)
-
Step 600
600
#CC311F
oklch(55.6% 0.194 30.5)
-
Step 700
700 (this color)
#B02010
oklch(49% 0.181 30.5)
-
Step 800
800
#8F1F12
oklch(42.7% 0.15 30.6)
-
Step 900
900
#732117
oklch(37.7% 0.117 30.3)
-
Step 950
950
#44150E
oklch(27% 0.074 30.9)
#B02010 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) | #50460A | 0.195 |
| Deuteranopia (no green cones) | #736602 | 0.176 |
| Tritanopia (no blue cones) | #C3001F | 0.042 |
| Achromatopsia (no color) | #5A5A5A | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B02010
#B02010
oklch(49% 0.181 30.5)
- #006D7B
#006D7B
oklch(49% 0.085 210.2)
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 #B02010, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.004
- Firebrick #B22222 ΔE 0.013
- Rust Red #AA2704 ΔE 0.015
- Rusty Red #AF2F0D ΔE 0.020
- Brown #A52A2A ΔE 0.028
- Scarlet #BE0119 ΔE 0.032
- Burnt Red #9F2305 ΔE 0.036
- Brick #A03623 ΔE 0.038
Use #B02010 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.