#B2290A
Closest named color: Rusty Red (#AF2F0D). oklch(50.1% 0.177 33.2), rgb(178, 41, 10).
Aa
White text reads best on this color (6.53:1).
About this color
#B2290A is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.177 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.009 away. White text reads best on it, at 6.53:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #B2290A |
| RGB | rgb(178, 41, 10) |
| HSL | hsl(11, 89%, 37%) |
| OKLCH | oklch(50.1% 0.177 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 #B2290A | 6.53:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #B2290A | 3.21:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #B2290A text on white | 6.53:1 | AA | Lc 80.8 | Fine for body text |
| #B2290A text on black | 3.21:1 | AA large text | Lc -21.0 | 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
#F7CEC5
oklch(88.4% 0.048 32.5)
-
Step 300
300
#F3AD9D
oklch(81% 0.086 33.3)
-
Step 400
400
#E97E67
oklch(70.7% 0.137 33.3)
-
Step 500
500
#DF573C
oklch(63.1% 0.176 33.1)
-
Step 600
600
#CA3516
oklch(55.5% 0.19 33.1)
-
Step 700
700 (this color)
#B2290A
oklch(50.1% 0.177 33.2)
-
Step 800
800
#8E220B
oklch(42.7% 0.147 33.2)
-
Step 900
900
#722313
oklch(37.7% 0.115 33.3)
-
Step 950
950
#43160D
oklch(27% 0.072 33.1)
#B2290A 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) | #554A01 | 0.188 |
| Deuteranopia (no green cones) | #766800 | 0.168 |
| Tritanopia (no blue cones) | #C50025 | 0.049 |
| Achromatopsia (no color) | #5E5E5E | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2290A
#B2290A
oklch(50.1% 0.177 33.2)
- #007081
#007081
oklch(50.1% 0.088 212.9)
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 #B2290A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.009
- Rufous #AE2012 ΔE 0.017
- Rust Red #AA2704 ΔE 0.018
- Firebrick #B22222 ΔE 0.020
- Brown #A52A2A ΔE 0.035
- Scarlet #BE0119 ΔE 0.037
- Brick #A03623 ΔE 0.037
- Russet #A13905 ΔE 0.039
Use #B2290A 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.