#B63B58
Closest named color: Dark Rose (#B5485D). oklch(53.7% 0.159 10.2), rgb(182, 59, 88).
Aa
White text reads best on this color (5.59:1).
About this color
#B63B58 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.159 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.023 away. White text reads best on it, at 5.59:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #B63B58 |
| RGB | rgb(182, 59, 88) |
| HSL | hsl(346, 51%, 47%) |
| OKLCH | oklch(53.7% 0.159 10.2) |
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 #B63B58 | 5.59:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #B63B58 | 3.75:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #B63B58 text on white | 5.59:1 | AA | Lc 77.0 | Fine for body text |
| #B63B58 text on black | 3.75:1 | AA large text | Lc -24.8 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F2CFD3
oklch(88.5% 0.04 10.1)
-
Step 300
300
#EBAEB6
oklch(81% 0.072 10.1)
-
Step 400
400
#DD8190
oklch(70.6% 0.114 9.9)
-
Step 500
500
#D15E75
oklch(63% 0.146 9.8)
-
Step 600
600 (this color)
#B63B58
oklch(53.7% 0.159 10.2)
-
Step 700
700
#A2324D
oklch(49.1% 0.148 10.1)
-
Step 800
800
#842B3F
oklch(42.8% 0.122 10.4)
-
Step 900
900
#6A2836
oklch(37.7% 0.095 9.8)
-
Step 950
950
#3F181F
oklch(27% 0.061 10.9)
#B63B58 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) | #585859 | 0.176 |
| Deuteranopia (no green cones) | #787155 | 0.162 |
| Tritanopia (no blue cones) | #C62546 | 0.040 |
| Achromatopsia (no color) | #686868 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B63B58
#B63B58
oklch(53.7% 0.159 10.2)
- #007F7A
#007F7A
oklch(53.8% 0.093 189.9)
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 #B63B58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.023
- Light Burgundy #A8415B ΔE 0.027
- Dusty Red #B9484E ΔE 0.034
- Dull Red #BB3F3F ΔE 0.039
- Light Maroon #A24857 ΔE 0.042
- Deep Rose #C74767 ΔE 0.045
- Dark Pink #CB416B ΔE 0.050
- Rose Red #BE013C ΔE 0.055
Use #B63B58 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.