#B73C59
Closest named color: Dark Rose (#B5485D). oklch(54% 0.159 10.1), rgb(183, 60, 89).
Aa
White text reads best on this color (5.52:1).
About this color
#B73C59 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.159 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.021 away. White text reads best on it, at 5.52:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.80:1 |
| White text | 5.52:1 |
Values
| HEX | #B73C59 |
| RGB | rgb(183, 60, 89) |
| HSL | hsl(346, 51%, 48%) |
| OKLCH | oklch(54% 0.159 10.1) |
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 #B73C59 | 5.52:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #B73C59 | 3.80:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #B73C59 text on white | 5.52:1 | AA | Lc 76.6 | Fine for body text |
| #B73C59 text on black | 3.80:1 | AA large text | Lc -25.1 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F7E5E7
oklch(93.7% 0.02 9.8)
-
Step 200
200
#F2CFD3
oklch(88.5% 0.04 10.1)
-
Step 300
300
#EBAEB6
oklch(81% 0.072 10.1)
-
Step 400
400
#DD8190
oklch(70.6% 0.114 9.9)
-
Step 500
500
#D15E75
oklch(63% 0.146 9.8)
-
Step 600
600 (this color)
#B73C59
oklch(54% 0.159 10.1)
-
Step 700
700
#A2324D
oklch(49.1% 0.148 10.1)
-
Step 800
800
#842B3F
oklch(42.8% 0.122 10.4)
-
Step 900
900
#6A2836
oklch(37.7% 0.095 9.8)
-
Step 950
950
#3F1820
oklch(27.1% 0.061 9.3)
#B73C59 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) | #59595A | 0.176 |
| Deuteranopia (no green cones) | #797256 | 0.162 |
| Tritanopia (no blue cones) | #C72647 | 0.040 |
| Achromatopsia (no color) | #696969 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B73C59
#B73C59
oklch(54% 0.159 10.1)
- #00807B
#00807B
oklch(54.1% 0.093 190)
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 #B73C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.021
- Light Burgundy #A8415B ΔE 0.029
- Dusty Red #B9484E ΔE 0.033
- Dull Red #BB3F3F ΔE 0.039
- Deep Rose #C74767 ΔE 0.042
- Light Maroon #A24857 ΔE 0.043
- Dark Pink #CB416B ΔE 0.048
- Ruby #CA0147 ΔE 0.056
Use #B73C59 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.