#B34155
Closest named color: Dark Rose (#B5485D). oklch(53.8% 0.148 13.1), rgb(179, 65, 85).
Aa
White text reads best on this color (5.52:1).
About this color
#B34155 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.148 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.016 away. White text reads best on it, at 5.52:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.80:1 |
| White text | 5.52:1 |
Values
| HEX | #B34155 |
| RGB | rgb(179, 65, 85) |
| HSL | hsl(349, 47%, 48%) |
| OKLCH | oklch(53.8% 0.148 13.1) |
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 #B34155 | 5.52:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #B34155 | 3.80:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #B34155 text on white | 5.52:1 | AA | Lc 76.8 | Fine for body text |
| #B34155 text on black | 3.80:1 | AA large text | Lc -25.0 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E6
oklch(93.6% 0.019 13.4)
-
Step 200
200
#F1D0D2
oklch(88.6% 0.037 13.7)
-
Step 300
300
#E8AFB4
oklch(80.8% 0.067 12.8)
-
Step 400
400
#DA848D
oklch(70.6% 0.106 13.4)
-
Step 500
500
#CE6372
oklch(63.2% 0.136 13)
-
Step 600
600 (this color)
#B34155
oklch(53.8% 0.148 13.1)
-
Step 700
700
#9F374A
oklch(49.1% 0.138 12.9)
-
Step 800
800
#812F3D
oklch(42.7% 0.113 13)
-
Step 900
900
#682B34
oklch(37.7% 0.088 13.2)
-
Step 950
950
#3D1A1E
oklch(27% 0.055 14.3)
#B34155 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) | #5B5A55 | 0.164 |
| Deuteranopia (no green cones) | #797152 | 0.149 |
| Tritanopia (no blue cones) | #C32E49 | 0.037 |
| Achromatopsia (no color) | #696969 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B34155
#B34155
oklch(53.8% 0.148 13.1)
- #007F7D
#007F7D
oklch(53.9% 0.092 192.8)
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 #B34155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.016
- Light Burgundy #A8415B ΔE 0.024
- Dusty Red #B9484E ΔE 0.025
- Dull Red #BB3F3F ΔE 0.032
- Light Maroon #A24857 ΔE 0.033
- Deep Rose #C74767 ΔE 0.048
- Dark Pink #CB416B ΔE 0.056
- Rose Red #BE013C ΔE 0.063
Use #B34155 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.