#B5507E
Closest named color: Light Plum (#9D5783). oklch(57.3% 0.14 353.9), rgb(181, 80, 126).
Aa
White text reads best on this color (4.75:1).
About this color
#B5507E is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.140 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.045 away. White text reads best on it, at 4.75:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.140) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #B5507E |
| RGB | rgb(181, 80, 126) |
| HSL | hsl(333, 41%, 51%) |
| OKLCH | oklch(57.3% 0.14 353.9) |
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 #B5507E | 4.75:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #B5507E | 4.41:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #B5507E text on white | 4.75:1 | AA | Lc 72.5 | Content text, not long reading |
| #B5507E text on black | 4.41:1 | AA large text | Lc -29.2 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F5E5EB
oklch(93.6% 0.019 352.7)
-
Step 200
200
#EDD0DB
oklch(88.5% 0.035 352.9)
-
Step 300
300
#E2B0C3
oklch(80.8% 0.063 353.9)
-
Step 400
400
#D286A5
oklch(70.7% 0.101 353.9)
-
Step 500
500
#C4668F
oklch(63.1% 0.128 353.9)
-
Step 600
600 (this color)
#B5507E
oklch(57.3% 0.14 353.9)
-
Step 700
700
#963B66
oklch(49% 0.131 353.6)
-
Step 800
800
#7A3253
oklch(42.7% 0.107 354)
-
Step 900
900
#632C45
oklch(37.7% 0.085 353.4)
-
Step 950
950
#3A1B28
oklch(27.1% 0.052 354.6)
#B5507E 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) | #5E677F | 0.154 |
| Deuteranopia (no green cones) | #797A7C | 0.140 |
| Tritanopia (no blue cones) | #C24A62 | 0.046 |
| Achromatopsia (no color) | #737373 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5507E
#B5507E
oklch(57.3% 0.14 353.9)
- #008D73
#008D73
oklch(57.4% 0.11 173.6)
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 #B5507E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.045
- Deep Rose #C74767 ΔE 0.046
- Dark Rose #B5485D ΔE 0.047
- Dark Pink #CB416B ΔE 0.050
- Light Burgundy #A8415B ΔE 0.061
- Dusky Rose #BA6873 ΔE 0.065
- Dusty Red #B9484E ΔE 0.068
- Light Maroon #A24857 ΔE 0.068
Use #B5507E 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.