#B5638D
Closest named color: Mauve (#AE7181). oklch(60.6% 0.117 349.1), rgb(181, 99, 141).
Aa
Black text reads best on this color (5.13:1).
About this color
#B5638D is a medium-dark, moderately saturated red. In OKLCH its lightness is 61%, its chroma 0.117 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.045 away. Black text reads best on it, at 5.13:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.13:1 |
| White text | 4.09:1 |
Values
| HEX | #B5638D |
| RGB | rgb(181, 99, 141) |
| HSL | hsl(329, 36%, 55%) |
| OKLCH | oklch(60.6% 0.117 349.1) |
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 #B5638D | 4.09:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #B5638D | 5.13:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #B5638D text on white | 4.09:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #B5638D text on black | 5.13:1 | AA | Lc -33.9 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F3E6EB
oklch(93.7% 0.016 352)
-
Step 200
200
#EAD1DC
oklch(88.4% 0.031 349.3)
-
Step 300
300
#DEB2C6
oklch(80.9% 0.057 349.4)
-
Step 400
400
#CC89A9
oklch(70.7% 0.091 349.5)
-
Step 500
500 (this color)
#B5638D
oklch(60.6% 0.117 349.1)
-
Step 600
600
#A8517F
oklch(55.6% 0.126 349)
-
Step 700
700
#90416B
oklch(49.1% 0.118 349.2)
-
Step 800
800
#753657
oklch(42.7% 0.097 349.4)
-
Step 900
900
#5F2F48
oklch(37.7% 0.077 348.9)
-
Step 950
950
#381C2A
oklch(27% 0.049 349.5)
#B5638D 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) | #6B758E | 0.125 |
| Deuteranopia (no green cones) | #80838B | 0.115 |
| Tritanopia (no blue cones) | #BF6172 | 0.043 |
| Achromatopsia (no color) | #7D7D7D | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5638D
#B5638D
oklch(60.6% 0.117 349.1)
- #159876
#159876
oklch(60.6% 0.117 169.1)
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 #B5638D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.045
- Dusky Rose #BA6873 ΔE 0.046
- Dark Lilac #9C6DA5 ΔE 0.055
- Light Plum #9D5783 ΔE 0.056
- Dusty Rose #C0737A ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.064
- Faded Purple #916E99 ΔE 0.065
- Old Pink #C77986 ΔE 0.070
Use #B5638D 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.