#B15770
Closest named color: Dark Rose (#B5485D). oklch(57.3% 0.12 4), rgb(177, 87, 112).
Aa
White text reads best on this color (4.70:1).
About this color
#B15770 is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.120 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.035 away. White text reads best on it, at 4.70:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #B15770 |
| RGB | rgb(177, 87, 112) |
| HSL | hsl(343, 37%, 52%) |
| OKLCH | oklch(57.3% 0.12 4) |
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 #B15770 | 4.70:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #B15770 | 4.46:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #B15770 text on white | 4.70:1 | AA | Lc 72.2 | Content text, not long reading |
| #B15770 text on black | 4.46:1 | AA large text | Lc -29.4 | 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
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F4E6E8
oklch(93.7% 0.015 7.5)
-
Step 200
200
#ECD1D7
oklch(88.5% 0.031 2.7)
-
Step 300
300
#E0B3BC
oklch(80.9% 0.053 4.9)
-
Step 400
400
#CF8A9A
oklch(70.7% 0.086 4.4)
-
Step 500
500
#C06C82
oklch(63.1% 0.109 3.9)
-
Step 600
600 (this color)
#B15770
oklch(57.3% 0.12 4)
-
Step 700
700
#934259
oklch(49.1% 0.112 4.2)
-
Step 800
800
#773749
oklch(42.7% 0.092 4)
-
Step 900
900
#61303D
oklch(37.7% 0.072 4.2)
-
Step 950
950
#391C24
oklch(26.9% 0.047 3)
#B15770 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) | #666971 | 0.132 |
| Deuteranopia (no green cones) | #7D7A6E | 0.122 |
| Tritanopia (no blue cones) | #BE4F60 | 0.032 |
| Achromatopsia (no color) | #747474 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B15770
#B15770
oklch(57.3% 0.12 4)
- #008B7F
#008B7F
oklch(57.2% 0.101 184.3)
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 #B15770, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.035
- Dusky Rose #BA6873 ΔE 0.045
- Deep Rose #C74767 ΔE 0.047
- Light Plum #9D5783 ΔE 0.048
- Dusty Red #B9484E ΔE 0.049
- Light Maroon #A24857 ΔE 0.054
- Light Burgundy #A8415B ΔE 0.054
- Dark Pink #CB416B ΔE 0.057
Use #B15770 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.