#B5422E
Closest named color: Dull Red (#BB3F3F). oklch(53.6% 0.153 32.1), rgb(181, 66, 46).
Aa
White text reads best on this color (5.55:1).
About this color
#B5422E is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.153 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.024 away. White text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.78:1 |
| White text | 5.55:1 |
Values
| HEX | #B5422E |
| RGB | rgb(181, 66, 46) |
| HSL | hsl(9, 59%, 45%) |
| OKLCH | oklch(53.6% 0.153 32.1) |
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 #B5422E | 5.55:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #B5422E | 3.78:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #B5422E text on white | 5.55:1 | AA | Lc 76.9 | Fine for body text |
| #B5422E text on black | 3.78:1 | AA large text | Lc -24.9 | 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 600.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E2
oklch(93.5% 0.02 28.9)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#EAB1A5
oklch(81% 0.069 32.1)
-
Step 400
400
#DD8674
oklch(70.8% 0.111 32.5)
-
Step 500
500
#D16550
oklch(63.2% 0.141 32.5)
-
Step 600
600 (this color)
#B5422E
oklch(53.6% 0.153 32.1)
-
Step 700
700
#A23927
oklch(49.2% 0.143 32.1)
-
Step 800
800
#833021
oklch(42.6% 0.118 32.3)
-
Step 900
900
#6A2C20
oklch(37.8% 0.092 32.6)
-
Step 950
950
#3E1A13
oklch(26.9% 0.058 32.4)
#B5422E 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) | #62582B | 0.158 |
| Deuteranopia (no green cones) | #7E722A | 0.147 |
| Tritanopia (no blue cones) | #C7253E | 0.057 |
| Achromatopsia (no color) | #686868 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5422E
#B5422E
oklch(53.6% 0.153 32.1)
- #007B8D
#007B8D
oklch(53.5% 0.093 212.4)
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 #B5422E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.024
- Sinopia #BB3E03 ΔE 0.026
- Dusty Red #B9484E ΔE 0.038
- Rusty Red #AF2F0D ΔE 0.039
- Brick Orange #C14A09 ΔE 0.041
- Cinnamon #AC4F06 ΔE 0.046
- Burnt Orange #C04E01 ΔE 0.047
- Burnt Siena #B75203 ΔE 0.048
Use #B5422E 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.