#B03D57
Closest named color: Light Burgundy (#A8415B). oklch(52.9% 0.15 10.2), rgb(176, 61, 87).
Aa
White text reads best on this color (5.75:1).
About this color
#B03D57 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.150 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.016 away. White text reads best on it, at 5.75:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.65:1 |
| White text | 5.75:1 |
Values
| HEX | #B03D57 |
| RGB | rgb(176, 61, 87) |
| HSL | hsl(346, 49%, 46%) |
| OKLCH | oklch(52.9% 0.15 10.2) |
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 #B03D57 | 5.75:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #B03D57 | 3.65:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #B03D57 text on white | 5.75:1 | AA | Lc 77.9 | Fine for body text |
| #B03D57 text on black | 3.65:1 | AA large text | Lc -23.9 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F7E5E7
oklch(93.7% 0.02 9.8)
-
Step 200
200
#F1D0D3
oklch(88.6% 0.037 11.7)
-
Step 300
300
#E8AFB6
oklch(80.8% 0.067 10.5)
-
Step 400
400
#DB8391
oklch(70.7% 0.109 10)
-
Step 500
500
#CE6276
oklch(63.2% 0.138 10.3)
-
Step 600
600 (this color)
#B03D57
oklch(52.9% 0.15 10.2)
-
Step 700
700
#9F364E
oklch(49% 0.14 10.1)
-
Step 800
800
#812E40
oklch(42.7% 0.115 10.2)
-
Step 900
900
#682A36
oklch(37.6% 0.09 10.4)
-
Step 950
950
#3D1920
oklch(26.9% 0.057 9.5)
#B03D57 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) | #575757 | 0.167 |
| Deuteranopia (no green cones) | #756F54 | 0.154 |
| Tritanopia (no blue cones) | #C02A47 | 0.039 |
| Achromatopsia (no color) | #666666 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B03D57
#B03D57
oklch(52.9% 0.15 10.2)
- #007C77
#007C77
oklch(52.9% 0.091 189.8)
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 #B03D57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.016
- Dark Rose #B5485D ΔE 0.025
- Light Maroon #A24857 ΔE 0.031
- Dusty Red #B9484E ΔE 0.037
- Dull Red #BB3F3F ΔE 0.042
- Deep Rose #C74767 ΔE 0.055
- Rose Red #BE013C ΔE 0.059
- Dark Pink #CB416B ΔE 0.061
Use #B03D57 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.