#B34A57
Closest named color: Dark Rose (#B5485D). oklch(55% 0.137 15.3), rgb(179, 74, 87).
Aa
White text reads best on this color (5.20:1).
About this color
#B34A57 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.137 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.011 away. White text reads best on it, at 5.20:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #B34A57 |
| RGB | rgb(179, 74, 87) |
| HSL | hsl(353, 42%, 50%) |
| OKLCH | oklch(55% 0.137 15.3) |
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 #B34A57 | 5.20:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #B34A57 | 4.03:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #B34A57 text on white | 5.20:1 | AA | Lc 75.2 | Fine for body text |
| #B34A57 text on black | 4.03:1 | AA large text | Lc -26.5 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E6
oklch(93.6% 0.019 13.4)
-
Step 200
200
#EFD1D2
oklch(88.6% 0.034 15.5)
-
Step 300
300
#E6B1B4
oklch(80.9% 0.062 14.7)
-
Step 400
400
#D7878C
oklch(70.8% 0.098 15.8)
-
Step 500
500
#CA6770
oklch(63.2% 0.126 15.6)
-
Step 600
600 (this color)
#B34A57
oklch(55% 0.137 15.3)
-
Step 700
700
#9B3C49
oklch(49% 0.127 14.8)
-
Step 800
800
#7E323C
oklch(42.6% 0.106 14.7)
-
Step 900
900
#662D33
oklch(37.7% 0.082 15.3)
-
Step 950
950
#3C1B1E
oklch(27% 0.052 15.4)
#B34A57 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) | #625F57 | 0.149 |
| Deuteranopia (no green cones) | #7C7555 | 0.139 |
| Tritanopia (no blue cones) | #C33A4F | 0.036 |
| Achromatopsia (no color) | #6D6D6D | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B34A57
#B34A57
oklch(55% 0.137 15.3)
- #008283
#008283
oklch(55% 0.094 195.7)
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 #B34A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.011
- Dusty Red #B9484E ΔE 0.016
- Dull Red #BB3F3F ΔE 0.033
- Light Burgundy #A8415B ΔE 0.033
- Light Maroon #A24857 ΔE 0.034
- Deep Rose #C74767 ΔE 0.045
- Dark Pink #CB416B ΔE 0.057
- Dark Coral #CF524E ΔE 0.062
Use #B34A57 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.