#B5637B
Closest named color: Dusky Rose (#BA6873). oklch(60.1% 0.109 2.2), rgb(181, 99, 123).
Aa
Black text reads best on this color (5.03:1).
About this color
#B5637B is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.109 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Dusky Rose (#BA6873), ΔE 0.023 away. Black text reads best on it, at 5.03:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Dusky Rose (#BA6873) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #B5637B |
| RGB | rgb(181, 99, 123) |
| HSL | hsl(342, 36%, 55%) |
| OKLCH | oklch(60.1% 0.109 2.2) |
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 #B5637B | 4.17:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #B5637B | 5.03:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #B5637B text on white | 4.17:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #B5637B text on black | 5.03:1 | AA | Lc -33.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#FAF4F5
oklch(97.2% 0.007 5.6)
-
Step 100
100
#F3E6E9
oklch(93.6% 0.015 1.6)
-
Step 200
200
#EBD1D7
oklch(88.4% 0.03 2.1)
-
Step 300
300
#DFB3BE
oklch(80.9% 0.053 1.7)
-
Step 400
400
#CE8A9C
oklch(70.7% 0.086 2.2)
-
Step 500
500 (this color)
#B5637B
oklch(60.1% 0.109 2.2)
-
Step 600
600
#AA536E
oklch(55.6% 0.117 2)
-
Step 700
700
#92435C
oklch(49.2% 0.11 2)
-
Step 800
800
#77374B
oklch(42.7% 0.092 2)
-
Step 900
900
#60303E
oklch(37.6% 0.071 2.5)
-
Step 950
950
#381D25
oklch(27% 0.044 1.4)
#B5637B 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) | #70737C | 0.118 |
| Deuteranopia (no green cones) | #848279 | 0.111 |
| Tritanopia (no blue cones) | #C15D6C | 0.029 |
| Achromatopsia (no color) | #7C7C7C | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5637B
#B5637B
oklch(60.1% 0.109 2.2)
- #009585
#009585
oklch(60.1% 0.108 181.8)
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 #B5637B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Rose #BA6873 ΔE 0.023
- Mauve #AE7181 ΔE 0.034
- Dusty Rose #C0737A ΔE 0.047
- Indian Red #CD5C5C ΔE 0.058
- Light Plum #9D5783 ΔE 0.060
- Deep Rose #C74767 ΔE 0.060
- Dark Rose #B5485D ΔE 0.062
- Pinkish Brown #B17261 ΔE 0.062
Use #B5637B 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.