#B1472B
Closest named color: Sinopia (#BB3E03). oklch(53.5% 0.145 35.7), rgb(177, 71, 43).
Aa
White text reads best on this color (5.51:1).
About this color
#B1472B is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.145 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.027 away. White text reads best on it, at 5.51:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #B1472B |
| RGB | rgb(177, 71, 43) |
| HSL | hsl(13, 61%, 43%) |
| OKLCH | oklch(53.5% 0.145 35.7) |
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 #B1472B | 5.51:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #B1472B | 3.80:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #B1472B text on white | 5.51:1 | AA | Lc 76.8 | Fine for body text |
| #B1472B text on black | 3.80:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C9
oklch(88.4% 0.037 34.8)
-
Step 300
300
#E7B2A4
oklch(80.8% 0.065 35.3)
-
Step 400
400
#D98973
oklch(70.8% 0.104 36.1)
-
Step 500
500
#CD684E
oklch(63.1% 0.134 35.5)
-
Step 600
600 (this color)
#B1472B
oklch(53.5% 0.145 35.7)
-
Step 700
700
#9E3E24
oklch(49.1% 0.134 36)
-
Step 800
800
#80341F
oklch(42.7% 0.111 36.3)
-
Step 900
900
#682E1F
oklch(37.8% 0.087 35.6)
-
Step 950
950
#3D1C13
oklch(27.1% 0.054 36.2)
#B1472B 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) | #645A27 | 0.146 |
| Deuteranopia (no green cones) | #7E7128 | 0.133 |
| Tritanopia (no blue cones) | #C32E41 | 0.061 |
| Achromatopsia (no color) | #696969 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1472B
#B1472B
oklch(53.5% 0.145 35.7)
- #007B90
#007B90
oklch(53.7% 0.095 215.1)
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 #B1472B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.027
- Cinnamon #AC4F06 ΔE 0.034
- Dull Red #BB3F3F ΔE 0.035
- Sienna #A0522D ΔE 0.037
- Brick Orange #C14A09 ΔE 0.039
- Burnt Siena #B75203 ΔE 0.040
- Burnt Umber #A0450E ΔE 0.041
- Rusty Red #AF2F0D ΔE 0.043
Use #B1472B 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.