#B0437B
Closest named color: Light Plum (#9D5783). oklch(54.8% 0.154 351.5), rgb(176, 67, 123).
Aa
White text reads best on this color (5.33:1).
About this color
#B0437B is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.154 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.050 away. White text reads best on it, at 5.33:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #B0437B |
| RGB | rgb(176, 67, 123) |
| HSL | hsl(329, 45%, 48%) |
| OKLCH | oklch(54.8% 0.154 351.5) |
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 #B0437B | 5.33:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #B0437B | 3.93:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #B0437B text on white | 5.33:1 | AA | Lc 75.9 | Fine for body text |
| #B0437B text on black | 3.93:1 | AA large text | Lc -25.9 | 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
#F5E5EB
oklch(93.6% 0.019 352.7)
-
Step 200
200
#EECFDC
oklch(88.4% 0.039 350.7)
-
Step 300
300
#E5AFC6
oklch(81% 0.069 351.4)
-
Step 400
400
#D583A8
oklch(70.7% 0.11 351.7)
-
Step 500
500
#C86193
oklch(63.1% 0.142 351.6)
-
Step 600
600 (this color)
#B0437B
oklch(54.8% 0.154 351.5)
-
Step 700
700
#99366A
oklch(49% 0.143 351.1)
-
Step 800
800
#7D2E56
oklch(42.7% 0.118 351.8)
-
Step 900
900
#652A47
oklch(37.7% 0.092 351.7)
-
Step 950
950
#3B192A
oklch(26.9% 0.059 350.5)
#B0437B 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) | #525F7D | 0.169 |
| Deuteranopia (no green cones) | #707278 | 0.152 |
| Tritanopia (no blue cones) | #BC3E59 | 0.055 |
| Achromatopsia (no color) | #6B6B6B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0437B
#B0437B
oklch(54.8% 0.154 351.5)
- #008569
#008569
oklch(54.9% 0.107 171.2)
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 #B0437B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.050
- Light Burgundy #A8415B ΔE 0.051
- Dark Rose #B5485D ΔE 0.052
- Dark Pink #CB416B ΔE 0.059
- Deep Rose #C74767 ΔE 0.059
- Light Maroon #A24857 ΔE 0.064
- Medium Violet Red #C71585 ΔE 0.068
- Dusty Red #B9484E ΔE 0.075
Use #B0437B 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.