#B1575B
Closest named color: Dusty Red (#B9484E). oklch(56.7% 0.117 18.8), rgb(177, 87, 91).
Aa
White text reads best on this color (4.79:1).
About this color
#B1575B is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.117 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.032 away. White text reads best on it, at 4.79:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #B1575B |
| RGB | rgb(177, 87, 91) |
| HSL | hsl(357, 37%, 52%) |
| OKLCH | oklch(56.7% 0.117 18.8) |
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 #B1575B | 4.79:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #B1575B | 4.38:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #B1575B text on white | 4.79:1 | AA | Lc 72.8 | Content text, not long reading |
| #B1575B text on black | 4.38:1 | AA large text | Lc -28.9 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#ECD2D1
oklch(88.5% 0.029 20.4)
-
Step 300
300
#E1B4B3
oklch(81% 0.052 19.8)
-
Step 400
400
#D08B8C
oklch(70.6% 0.085 18.5)
-
Step 500
500
#C26D70
oklch(63.1% 0.108 18.4)
-
Step 600
600 (this color)
#B1575B
oklch(56.7% 0.117 18.8)
-
Step 700
700
#954448
oklch(49.2% 0.109 18.9)
-
Step 800
800
#79383B
oklch(42.7% 0.091 18.8)
-
Step 900
900
#623133
oklch(37.8% 0.071 18.4)
-
Step 950
950
#391D1E
oklch(26.9% 0.044 18.1)
#B1575B 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) | #6B675B | 0.125 |
| Deuteranopia (no green cones) | #817959 | 0.116 |
| Tritanopia (no blue cones) | #C04B59 | 0.034 |
| Achromatopsia (no color) | #727272 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1575B
#B1575B
oklch(56.7% 0.117 18.8)
- #00878C
#00878C
oklch(56.6% 0.096 199.4)
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 #B1575B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.032
- Dark Rose #B5485D ΔE 0.034
- Light Maroon #A24857 ΔE 0.048
- Dusky Rose #BA6873 ΔE 0.049
- Dull Red #BB3F3F ΔE 0.050
- Deep Rose #C74767 ΔE 0.055
- Light Burgundy #A8415B ΔE 0.055
- Clay #B66A50 ΔE 0.055
Use #B1575B 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.