#B03570
Closest named color: Light Burgundy (#A8415B). oklch(52.8% 0.168 355), rgb(176, 53, 112).
Aa
White text reads best on this color (5.85:1).
About this color
#B03570 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.168 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.046 away. White text reads best on it, at 5.85:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #B03570 |
| RGB | rgb(176, 53, 112) |
| HSL | hsl(331, 54%, 45%) |
| OKLCH | oklch(52.8% 0.168 355) |
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 #B03570 | 5.85:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #B03570 | 3.58:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #B03570 text on white | 5.85:1 | AA | Lc 78.3 | Fine for body text |
| #B03570 text on black | 3.58:1 | AA large text | Lc -23.5 | 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
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CEDA
oklch(88.4% 0.042 355.3)
-
Step 300
300
#E9ADC3
oklch(80.9% 0.075 355.1)
-
Step 400
400
#DB7FA4
oklch(70.6% 0.121 355.1)
-
Step 500
500
#CE5C8E
oklch(63% 0.154 354.9)
-
Step 600
600 (this color)
#B03570
oklch(52.8% 0.168 355)
-
Step 700
700
#A02F65
oklch(49.2% 0.156 355.2)
-
Step 800
800
#822952
oklch(42.8% 0.129 355.6)
-
Step 900
900
#692644
oklch(37.7% 0.102 355.2)
-
Step 950
950
#3E1728
oklch(27% 0.065 355)
#B03570 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) | #4B5672 | 0.187 |
| Deuteranopia (no green cones) | #6D6D6D | 0.168 |
| Tritanopia (no blue cones) | #BE2A4E | 0.056 |
| Achromatopsia (no color) | #656565 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B03570
#B03570
oklch(52.8% 0.168 355)
- #007D68
#007D68
oklch(52.7% 0.099 175.5)
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 #B03570, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.046
- Dark Rose #B5485D ΔE 0.056
- Medium Violet Red #C71585 ΔE 0.062
- Light Maroon #A24857 ΔE 0.064
- Dark Pink #CB416B ΔE 0.064
- Raspberry #B00149 ΔE 0.065
- Violet Red #A50055 ΔE 0.066
- Deep Rose #C74767 ΔE 0.067
Use #B03570 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.