#B15557
Closest named color: Dusty Red (#B9484E). oklch(56.3% 0.12 20.3), rgb(177, 85, 87).
Aa
White text reads best on this color (4.87:1).
About this color
#B15557 is a medium-dark, moderately saturated red. In OKLCH its lightness is 56%, its chroma 0.120 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.027 away. White text reads best on it, at 4.87:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #B15557 |
| RGB | rgb(177, 85, 87) |
| HSL | hsl(359, 37%, 51%) |
| OKLCH | oklch(56.3% 0.12 20.3) |
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 #B15557 | 4.87:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #B15557 | 4.30:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #B15557 text on white | 4.87:1 | AA | Lc 73.3 | Content text, not long reading |
| #B15557 text on black | 4.30:1 | AA large text | Lc -28.3 | 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
#F4E6E5
oklch(93.6% 0.015 22.4)
-
Step 200
200
#EDD2D1
oklch(88.6% 0.03 20.3)
-
Step 300
300
#E2B3B2
oklch(80.9% 0.055 19.8)
-
Step 400
400
#D18B8A
oklch(70.7% 0.086 20.3)
-
Step 500
500
#C36C6D
oklch(63% 0.111 20)
-
Step 600
600 (this color)
#B15557
oklch(56.3% 0.12 20.3)
-
Step 700
700
#964345
oklch(49.2% 0.112 20.6)
-
Step 800
800
#7A3839
oklch(42.8% 0.092 20.8)
-
Step 900
900
#623131
oklch(37.7% 0.071 21)
-
Step 950
950
#3A1D1D
oklch(27.1% 0.046 20.5)
#B15557 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) | #6A6557 | 0.128 |
| Deuteranopia (no green cones) | #817855 | 0.118 |
| Tritanopia (no blue cones) | #C04856 | 0.035 |
| Achromatopsia (no color) | #717171 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B15557
#B15557
oklch(56.3% 0.12 20.3)
- #00868C
#00868C
oklch(56.4% 0.096 200.3)
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 #B15557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.027
- Dark Rose #B5485D ΔE 0.032
- Dull Red #BB3F3F ΔE 0.045
- Light Maroon #A24857 ΔE 0.045
- Light Burgundy #A8415B ΔE 0.053
- Dusky Rose #BA6873 ΔE 0.054
- Deep Rose #C74767 ΔE 0.056
- Dark Coral #CF524E ΔE 0.057
Use #B15557 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.