#B4577A
Closest named color: Dark Rose (#B5485D). oklch(58% 0.126 358), rgb(180, 87, 122).
Aa
Black text reads best on this color (4.58:1).
About this color
#B4577A is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.126 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.045 away. Black text reads best on it, at 4.58:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 4.58:1 |
| White text | 4.58:1 |
Values
| HEX | #B4577A |
| RGB | rgb(180, 87, 122) |
| HSL | hsl(337, 38%, 52%) |
| OKLCH | oklch(58% 0.126 358) |
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 #B4577A | 4.58:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #B4577A | 4.58:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #B4577A text on white | 4.58:1 | AA | Lc 71.4 | Content text, not long reading |
| #B4577A text on black | 4.58:1 | AA | Lc -30.3 | Non-text elements, placeholder text |
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
#F4E6EA
oklch(93.7% 0.016 358.1)
-
Step 200
200
#ECD1D9
oklch(88.5% 0.032 357.9)
-
Step 300
300
#E0B2C0
oklch(80.9% 0.056 358.3)
-
Step 400
400
#CF89A0
oklch(70.7% 0.09 358.4)
-
Step 500
500
#C16A89
oklch(63.2% 0.116 358.2)
-
Step 600
600 (this color)
#B4577A
oklch(58% 0.126 358)
-
Step 700
700
#934060
oklch(49% 0.117 358.1)
-
Step 800
800
#78354F
oklch(42.7% 0.098 357.7)
-
Step 900
900
#612F41
oklch(37.7% 0.076 358.5)
-
Step 950
950
#391C26
oklch(27% 0.048 358.7)
#B4577A 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) | #656B7B | 0.139 |
| Deuteranopia (no green cones) | #7D7C78 | 0.127 |
| Tritanopia (no blue cones) | #C15164 | 0.038 |
| Achromatopsia (no color) | #757575 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4577A
#B4577A
oklch(58% 0.126 358)
- #008F7A
#008F7A
oklch(58.1% 0.107 177.5)
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 #B4577A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.045
- Light Plum #9D5783 ΔE 0.045
- Deep Rose #C74767 ΔE 0.046
- Dusky Rose #BA6873 ΔE 0.048
- Dark Pink #CB416B ΔE 0.054
- Mauve #AE7181 ΔE 0.060
- Dusty Red #B9484E ΔE 0.061
- Light Burgundy #A8415B ΔE 0.063
Use #B4577A 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.