#B1442C
Closest named color: Sinopia (#BB3E03). oklch(53.1% 0.147 34), rgb(177, 68, 44).
Aa
White text reads best on this color (5.62:1).
About this color
#B1442C is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.147 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.028 away. White text reads best on it, at 5.62:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #B1442C |
| RGB | rgb(177, 68, 44) |
| HSL | hsl(11, 60%, 43%) |
| OKLCH | oklch(53.1% 0.147 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 #B1442C | 5.62:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #B1442C | 3.73:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #B1442C text on white | 5.62:1 | AA | Lc 77.3 | Fine for body text |
| #B1442C text on black | 3.73:1 | AA large text | Lc -24.4 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1C9
oklch(88.4% 0.037 34.8)
-
Step 300
300
#E8B2A5
oklch(80.9% 0.066 33.9)
-
Step 400
400
#DA8874
oklch(70.7% 0.106 34.5)
-
Step 500
500
#CE6750
oklch(63.1% 0.136 33.8)
-
Step 600
600 (this color)
#B1442C
oklch(53.1% 0.147 34)
-
Step 700
700
#9F3C26
oklch(49.1% 0.137 34.1)
-
Step 800
800
#813221
oklch(42.6% 0.113 33.8)
-
Step 900
900
#682D20
oklch(37.6% 0.088 33.8)
-
Step 950
950
#3D1B13
oklch(26.9% 0.056 34.4)
#B1442C 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) | #625829 | 0.151 |
| Deuteranopia (no green cones) | #7D7028 | 0.138 |
| Tritanopia (no blue cones) | #C32A3F | 0.058 |
| Achromatopsia (no color) | #676767 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1442C
#B1442C
oklch(53.1% 0.147 34)
- #007A8D
#007A8D
oklch(53.3% 0.093 213.5)
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 #B1442C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.028
- Dull Red #BB3F3F ΔE 0.032
- Rusty Red #AF2F0D ΔE 0.038
- Cinnamon #AC4F06 ΔE 0.039
- Sienna #A0522D ΔE 0.041
- Burnt Umber #A0450E ΔE 0.042
- Brick Orange #C14A09 ΔE 0.043
- Dusty Red #B9484E ΔE 0.043
Use #B1442C 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.