#B5437B
Closest named color: Dark Pink (#CB416B). oklch(55.5% 0.158 353), rgb(181, 67, 123).
Aa
White text reads best on this color (5.18:1).
About this color
#B5437B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.158 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Pink (#CB416B), ΔE 0.050 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Dark Pink (#CB416B) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #B5437B |
| RGB | rgb(181, 67, 123) |
| HSL | hsl(331, 46%, 49%) |
| OKLCH | oklch(55.5% 0.158 353) |
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 #B5437B | 5.18:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #B5437B | 4.05:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #B5437B text on white | 5.18:1 | AA | Lc 74.9 | Content text, not long reading |
| #B5437B text on black | 4.05:1 | AA large text | Lc -26.8 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E5EB
oklch(93.7% 0.02 354)
-
Step 200
200
#EFCFDB
oklch(88.5% 0.039 353.3)
-
Step 300
300
#E6AEC4
oklch(80.9% 0.071 353.4)
-
Step 400
400
#D782A7
oklch(70.7% 0.113 352.8)
-
Step 500
500
#CA6091
oklch(63.1% 0.145 353.1)
-
Step 600
600 (this color)
#B5437B
oklch(55.5% 0.158 353)
-
Step 700
700
#9C3468
oklch(49.2% 0.148 353)
-
Step 800
800
#7E2C55
oklch(42.6% 0.122 352.5)
-
Step 900
900
#662946
oklch(37.7% 0.094 352.9)
-
Step 950
950
#3C1929
oklch(27.1% 0.059 353.1)
#B5437B 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) | #54607D | 0.175 |
| Deuteranopia (no green cones) | #737578 | 0.159 |
| Tritanopia (no blue cones) | #C23C5A | 0.054 |
| Achromatopsia (no color) | #6D6D6D | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5437B
#B5437B
oklch(55.5% 0.158 353)
- #00876D
#00876D
oklch(55.6% 0.107 172.9)
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 #B5437B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pink #CB416B ΔE 0.050
- Dark Rose #B5485D ΔE 0.050
- Deep Rose #C74767 ΔE 0.051
- Light Burgundy #A8415B ΔE 0.054
- Light Plum #9D5783 ΔE 0.055
- Medium Violet Red #C71585 ΔE 0.064
- Light Maroon #A24857 ΔE 0.068
- Dusty Red #B9484E ΔE 0.072
Use #B5437B 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.