#B34578
Closest named color: Dark Rose (#B5485D). oklch(55.4% 0.152 354.4), rgb(179, 69, 120).
Aa
White text reads best on this color (5.19:1).
About this color
#B34578 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.152 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.044 away. White text reads best on it, at 5.19:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 4.03:1 |
| White text | 5.19:1 |
Values
| HEX | #B34578 |
| RGB | rgb(179, 69, 120) |
| HSL | hsl(332, 44%, 49%) |
| OKLCH | oklch(55.4% 0.152 354.4) |
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 #B34578 | 5.19:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #B34578 | 4.03:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #B34578 text on white | 5.19:1 | AA | Lc 75.1 | Fine for body text |
| #B34578 text on black | 4.03:1 | AA large text | Lc -26.6 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EB
oklch(93.6% 0.019 352.7)
-
Step 200
200
#EFCFDB
oklch(88.5% 0.039 353.3)
-
Step 300
300
#E5AFC3
oklch(80.9% 0.068 354.6)
-
Step 400
400
#D683A5
oklch(70.7% 0.11 354.2)
-
Step 500
500
#C9628F
oklch(63.2% 0.14 354.4)
-
Step 600
600 (this color)
#B34578
oklch(55.4% 0.152 354.4)
-
Step 700
700
#9A3766
oklch(49.1% 0.141 354.1)
-
Step 800
800
#7D2E53
oklch(42.6% 0.117 354.1)
-
Step 900
900
#652A44
oklch(37.6% 0.091 354.7)
-
Step 950
950
#3C1928
oklch(27% 0.059 354.7)
#B34578 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) | #56607A | 0.168 |
| Deuteranopia (no green cones) | #747475 | 0.152 |
| Tritanopia (no blue cones) | #C03E59 | 0.051 |
| Achromatopsia (no color) | #6D6D6D | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B34578
#B34578
oklch(55.4% 0.152 354.4)
- #00866E
#00866E
oklch(55.3% 0.105 174.2)
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 #B34578, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.044
- Light Burgundy #A8415B ΔE 0.048
- Deep Rose #C74767 ΔE 0.050
- Dark Pink #CB416B ΔE 0.050
- Light Plum #9D5783 ΔE 0.051
- Light Maroon #A24857 ΔE 0.061
- Dusty Red #B9484E ΔE 0.067
- Medium Violet Red #C71585 ΔE 0.071
Use #B34578 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.