#B03172
Closest named color: Light Burgundy (#A8415B). oklch(52.5% 0.173 353.5), rgb(176, 49, 114).
Aa
White text reads best on this color (5.95:1).
About this color
#B03172 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.173 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.053 away. White text reads best on it, at 5.95:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #B03172 |
| RGB | rgb(176, 49, 114) |
| HSL | hsl(329, 56%, 44%) |
| OKLCH | oklch(52.5% 0.173 353.5) |
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 #B03172 | 5.95:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #B03172 | 3.52:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #B03172 text on white | 5.95:1 | AA | Lc 78.7 | Fine for body text |
| #B03172 text on black | 3.52:1 | AA large text | Lc -23.1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F1CEDB
oklch(88.5% 0.043 353.6)
-
Step 300
300
#EAACC4
oklch(80.9% 0.079 354)
-
Step 400
400
#DC7EA7
oklch(70.7% 0.125 353.2)
-
Step 500
500
#D05A91
oklch(63.2% 0.16 353.5)
-
Step 600
600 (this color)
#B03172
oklch(52.5% 0.173 353.5)
-
Step 700
700
#A12D68
oklch(49.2% 0.161 353.5)
-
Step 800
800
#822755
oklch(42.7% 0.133 353.1)
-
Step 900
900
#692546
oklch(37.6% 0.104 353.1)
-
Step 950
950
#3E1729
oklch(27.1% 0.066 353.5)
#B03172 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) | #485574 | 0.193 |
| Deuteranopia (no green cones) | #6B6C6F | 0.173 |
| Tritanopia (no blue cones) | #BE264D | 0.061 |
| Achromatopsia (no color) | #646464 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B03172
#B03172
oklch(52.5% 0.173 353.5)
- #007D65
#007D65
oklch(52.6% 0.101 173.1)
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 #B03172, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.053
- Medium Violet Red #C71585 ΔE 0.058
- Violet Red #A50055 ΔE 0.063
- Dark Rose #B5485D ΔE 0.064
- Raspberry #B00149 ΔE 0.065
- Deep Magenta #A0025C ΔE 0.066
- Red Violet #9E0168 ΔE 0.067
- Dark Pink #CB416B ΔE 0.069
Use #B03172 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.