#B45173
Closest named color: Dark Rose (#B5485D). oklch(56.9% 0.133 0.6), rgb(180, 81, 115).
Aa
White text reads best on this color (4.81:1).
About this color
#B45173 is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.133 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.032 away. White text reads best on it, at 4.81:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 4.36:1 |
| White text | 4.81:1 |
Values
| HEX | #B45173 |
| RGB | rgb(180, 81, 115) |
| HSL | hsl(339, 40%, 51%) |
| OKLCH | oklch(56.9% 0.133 0.6) |
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 #B45173 | 4.81:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #B45173 | 4.36:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #B45173 text on white | 4.81:1 | AA | Lc 72.9 | Content text, not long reading |
| #B45173 text on black | 4.36:1 | AA large text | Lc -28.8 | 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 600.
-
Step 50
50
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F5E5E9
oklch(93.6% 0.018 0.4)
-
Step 200
200
#EDD1D8
oklch(88.6% 0.033 0.9)
-
Step 300
300
#E3B1BE
oklch(80.9% 0.06 1.3)
-
Step 400
400
#D2879D
oklch(70.7% 0.096 0.8)
-
Step 500
500
#C46785
oklch(63% 0.122 0.7)
-
Step 600
600 (this color)
#B45173
oklch(56.9% 0.133 0.6)
-
Step 700
700
#973D5D
oklch(49.1% 0.125 0.6)
-
Step 800
800
#7A334C
oklch(42.6% 0.103 0.3)
-
Step 900
900
#632E3F
oklch(37.8% 0.079 1.3)
-
Step 950
950
#3A1B25
oklch(26.9% 0.051 0.5)
#B45173 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) | #626674 | 0.146 |
| Deuteranopia (no green cones) | #7B7971 | 0.135 |
| Tritanopia (no blue cones) | #C1495E | 0.037 |
| Achromatopsia (no color) | #727272 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B45173
#B45173
oklch(56.9% 0.133 0.6)
- #008B7A
#008B7A
oklch(57.1% 0.103 180.2)
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 #B45173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.032
- Deep Rose #C74767 ΔE 0.039
- Dark Pink #CB416B ΔE 0.047
- Light Plum #9D5783 ΔE 0.048
- Light Burgundy #A8415B ΔE 0.050
- Dusty Red #B9484E ΔE 0.051
- Light Maroon #A24857 ΔE 0.055
- Dusky Rose #BA6873 ΔE 0.057
Use #B45173 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.