#B73457
Closest named color: Light Burgundy (#A8415B). oklch(53.1% 0.168 9.2), rgb(183, 52, 87).
Aa
White text reads best on this color (5.76:1).
About this color
#B73457 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.168 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.032 away. White text reads best on it, at 5.76:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.64:1 |
| White text | 5.76:1 |
Values
| HEX | #B73457 |
| RGB | rgb(183, 52, 87) |
| HSL | hsl(344, 56%, 46%) |
| OKLCH | oklch(53.1% 0.168 9.2) |
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 #B73457 | 5.76:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #B73457 | 3.64:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #B73457 text on white | 5.76:1 | AA | Lc 77.7 | Fine for body text |
| #B73457 text on black | 3.64:1 | AA large text | Lc -24.0 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E7
oklch(93.6% 0.022 7.2)
-
Step 200
200
#F3CED3
oklch(88.4% 0.042 8.8)
-
Step 300
300
#EDADB6
oklch(81% 0.076 9.6)
-
Step 400
400
#E07F90
oklch(70.7% 0.121 9.4)
-
Step 500
500
#D55B75
oklch(63.2% 0.155 9.5)
-
Step 600
600 (this color)
#B73457
oklch(53.1% 0.168 9.2)
-
Step 700
700
#A52D4E
oklch(49.1% 0.157 8.9)
-
Step 800
800
#862740
oklch(42.7% 0.13 8.8)
-
Step 900
900
#6C2636
oklch(37.7% 0.1 9.3)
-
Step 950
950
#401720
oklch(27.1% 0.065 8.8)
#B73457 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) | #545558 | 0.187 |
| Deuteranopia (no green cones) | #766F54 | 0.170 |
| Tritanopia (no blue cones) | #C81842 | 0.043 |
| Achromatopsia (no color) | #666666 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B73457
#B73457
oklch(53.1% 0.168 9.2)
- #007D77
#007D77
oklch(53.2% 0.092 188.9)
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 #B73457, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.032
- Dark Rose #B5485D ΔE 0.034
- Dusty Red #B9484E ΔE 0.044
- Dull Red #BB3F3F ΔE 0.045
- Rose Red #BE013C ΔE 0.047
- Ruby #CA0147 ΔE 0.048
- Light Maroon #A24857 ΔE 0.049
- Deep Rose #C74767 ΔE 0.051
Use #B73457 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.