#B03557
Closest named color: Light Burgundy (#A8415B). oklch(52% 0.16 8.1), rgb(176, 53, 87).
Aa
White text reads best on this color (6.01:1).
About this color
#B03557 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.160 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.023 away. White text reads best on it, at 6.01:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.49:1 |
| White text | 6.01:1 |
Values
| HEX | #B03557 |
| RGB | rgb(176, 53, 87) |
| HSL | hsl(343, 54%, 45%) |
| OKLCH | oklch(52% 0.16 8.1) |
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 #B03557 | 6.01:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #B03557 | 3.49:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #B03557 text on white | 6.01:1 | AA | Lc 79.0 | Fine for body text |
| #B03557 text on black | 3.49:1 | AA large text | Lc -22.8 | 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 700.
-
Step 50
50
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F4CED4
oklch(88.5% 0.043 7.3)
-
Step 300
300
#EDACB7
oklch(80.8% 0.077 7.7)
-
Step 400
400
#E17E92
oklch(70.7% 0.124 7.8)
-
Step 500
500
#D65977
oklch(63.1% 0.159 8)
-
Step 600
600
#C13A60
oklch(55.6% 0.172 7.9)
-
Step 700
700 (this color)
#B03557
oklch(52% 0.16 8.1)
-
Step 800
800
#872641
oklch(42.8% 0.132 8.1)
-
Step 900
900
#6D2537
oklch(37.8% 0.103 8.2)
-
Step 950
950
#401720
oklch(27.1% 0.065 8.8)
#B03557 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) | #525358 | 0.178 |
| Deuteranopia (no green cones) | #726C54 | 0.163 |
| Tritanopia (no blue cones) | #C01E43 | 0.041 |
| Achromatopsia (no color) | #636363 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B03557
#B03557
oklch(52% 0.16 8.1)
- #007973
#007973
oklch(51.9% 0.09 188.7)
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 #B03557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.023
- Dark Rose #B5485D ΔE 0.038
- Light Maroon #A24857 ΔE 0.041
- Raspberry #B00149 ΔE 0.049
- Dusty Red #B9484E ΔE 0.049
- Dull Red #BB3F3F ΔE 0.051
- Rose Red #BE013C ΔE 0.051
- Rouge #AB1239 ΔE 0.053
Use #B03557 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.