#B4525B
Closest named color: Dark Rose (#B5485D). oklch(56.4% 0.128 16.4), rgb(180, 82, 91).
Aa
White text reads best on this color (4.88:1).
About this color
#B4525B is a medium-dark, moderately saturated red. In OKLCH its lightness is 56%, its chroma 0.128 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.022 away. White text reads best on it, at 4.88:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #B4525B |
| RGB | rgb(180, 82, 91) |
| HSL | hsl(354, 40%, 51%) |
| OKLCH | oklch(56.4% 0.128 16.4) |
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 #B4525B | 4.88:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #B4525B | 4.29:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #B4525B text on white | 4.88:1 | AA | Lc 73.3 | Content text, not long reading |
| #B4525B text on black | 4.29:1 | AA large text | Lc -28.4 | 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
#F5E6E6
oklch(93.7% 0.016 17.4)
-
Step 200
200
#EED1D2
oklch(88.5% 0.033 15.4)
-
Step 300
300
#E3B2B4
oklch(80.8% 0.057 15.7)
-
Step 400
400
#D4898D
oklch(70.8% 0.092 16.2)
-
Step 500
500
#C66A70
oklch(63.1% 0.117 16.9)
-
Step 600
600 (this color)
#B4525B
oklch(56.4% 0.128 16.4)
-
Step 700
700
#984049
oklch(49.1% 0.118 16.3)
-
Step 800
800
#7C353C
oklch(42.7% 0.099 16.2)
-
Step 900
900
#642F33
oklch(37.7% 0.076 16.7)
-
Step 950
950
#3B1C1E
oklch(27.1% 0.049 16.8)
#B4525B 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) | #67655B | 0.139 |
| Deuteranopia (no green cones) | #807959 | 0.129 |
| Tritanopia (no blue cones) | #C34456 | 0.035 |
| Achromatopsia (no color) | #717171 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4525B
#B4525B
oklch(56.4% 0.128 16.4)
- #008788
#008788
oklch(56.5% 0.096 195.7)
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 #B4525B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.022
- Dusty Red #B9484E ΔE 0.023
- Dull Red #BB3F3F ΔE 0.043
- Light Maroon #A24857 ΔE 0.044
- Deep Rose #C74767 ΔE 0.045
- Light Burgundy #A8415B ΔE 0.047
- Dark Coral #CF524E ΔE 0.054
- Dusky Rose #BA6873 ΔE 0.054
Use #B4525B 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.