#B34C70
Closest named color: Dark Rose (#B5485D). oklch(56% 0.139 0.7), rgb(179, 76, 112).
Aa
White text reads best on this color (5.01:1).
About this color
#B34C70 is a medium-dark, moderately saturated red. In OKLCH its lightness is 56%, its chroma 0.139 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.027 away. White text reads best on it, at 5.01:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #B34C70 |
| RGB | rgb(179, 76, 112) |
| HSL | hsl(339, 40%, 50%) |
| OKLCH | oklch(56% 0.139 0.7) |
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 #B34C70 | 5.01:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #B34C70 | 4.18:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #B34C70 text on white | 5.01:1 | AA | Lc 74.1 | Content text, not long reading |
| #B34C70 text on black | 4.18:1 | AA large text | Lc -27.6 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F5E5E9
oklch(93.6% 0.018 0.4)
-
Step 200
200
#EED0D8
oklch(88.5% 0.035 359.9)
-
Step 300
300
#E4B0BE
oklch(80.8% 0.063 0.8)
-
Step 400
400
#D4869D
oklch(70.7% 0.099 0.8)
-
Step 500
500
#C76685
oklch(63.2% 0.127 1.1)
-
Step 600
600 (this color)
#B34C70
oklch(56% 0.139 0.7)
-
Step 700
700
#983B5D
oklch(49% 0.129 0.2)
-
Step 800
800
#7C324C
oklch(42.8% 0.106 0.6)
-
Step 900
900
#642C3F
oklch(37.6% 0.084 0.5)
-
Step 950
950
#3B1B25
oklch(27.1% 0.052 1.2)
#B34C70 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) | #5E6371 | 0.153 |
| Deuteranopia (no green cones) | #79766E | 0.139 |
| Tritanopia (no blue cones) | #C1435A | 0.040 |
| Achromatopsia (no color) | #6F6F6F | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B34C70
#B34C70
oklch(56% 0.139 0.7)
- #008777
#008777
oklch(55.9% 0.101 180.6)
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 #B34C70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.027
- Deep Rose #C74767 ΔE 0.039
- Light Burgundy #A8415B ΔE 0.041
- Dark Pink #CB416B ΔE 0.046
- Dusty Red #B9484E ΔE 0.049
- Light Plum #9D5783 ΔE 0.049
- Light Maroon #A24857 ΔE 0.049
- Dull Red #BB3F3F ΔE 0.066
Use #B34C70 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.