#B5306B
Closest named color: Light Burgundy (#A8415B). oklch(53% 0.176 358.1), rgb(181, 48, 107).
Aa
White text reads best on this color (5.83:1).
About this color
#B5306B is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.176 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.047 away. White text reads best on it, at 5.83:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #B5306B |
| RGB | rgb(181, 48, 107) |
| HSL | hsl(333, 58%, 45%) |
| OKLCH | oklch(53% 0.176 358.1) |
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 #B5306B | 5.83:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #B5306B | 3.59:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #B5306B text on white | 5.83:1 | AA | Lc 78.0 | Fine for body text |
| #B5306B text on black | 3.59:1 | AA large text | Lc -23.8 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4EA
oklch(93.7% 0.023 357.4)
-
Step 200
200
#F3CED9
oklch(88.6% 0.044 358.2)
-
Step 300
300
#ECACC0
oklch(81% 0.079 358.6)
-
Step 400
400
#DF7DA0
oklch(70.7% 0.127 358.1)
-
Step 500
500
#D35889
oklch(63.1% 0.162 357.9)
-
Step 600
600 (this color)
#B5306B
oklch(53% 0.176 358.1)
-
Step 700
700
#A42A60
oklch(49.2% 0.164 358.3)
-
Step 800
800
#85254E
oklch(42.7% 0.135 358.5)
-
Step 900
900
#6B2441
oklch(37.6% 0.106 358.1)
-
Step 950
950
#3F1626
oklch(26.9% 0.067 358.1)
#B5306B 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) | #4C556D | 0.196 |
| Deuteranopia (no green cones) | #706E68 | 0.177 |
| Tritanopia (no blue cones) | #C41E49 | 0.056 |
| Achromatopsia (no color) | #656565 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5306B
#B5306B
oklch(53% 0.176 358.1)
- #007E6C
#007E6C
oklch(53.1% 0.098 178.1)
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 #B5306B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.047
- Dark Rose #B5485D ΔE 0.054
- Dark Pink #CB416B ΔE 0.058
- Raspberry #B00149 ΔE 0.058
- Medium Violet Red #C71585 ΔE 0.059
- Deep Rose #C74767 ΔE 0.062
- Violet Red #A50055 ΔE 0.064
- Ruby #CA0147 ΔE 0.064
Use #B5306B 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.