#B63A57
Closest named color: Dark Rose (#B5485D). oklch(53.5% 0.16 10.5), rgb(182, 58, 87).
Aa
White text reads best on this color (5.62:1).
About this color
#B63A57 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.160 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.025 away. White text reads best on it, at 5.62:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #B63A57 |
| RGB | rgb(182, 58, 87) |
| HSL | hsl(346, 52%, 47%) |
| OKLCH | oklch(53.5% 0.16 10.5) |
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 #B63A57 | 5.62:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #B63A57 | 3.73:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #B63A57 text on white | 5.62:1 | AA | Lc 77.2 | Fine for body text |
| #B63A57 text on black | 3.73:1 | AA large text | Lc -24.6 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F7E4E6
oklch(93.5% 0.021 10.2)
-
Step 200
200
#F2CFD3
oklch(88.5% 0.04 10.1)
-
Step 300
300
#EBAEB6
oklch(81% 0.072 10.1)
-
Step 400
400
#DE818F
oklch(70.7% 0.115 10.8)
-
Step 500
500
#D25E74
oklch(63.1% 0.147 10.5)
-
Step 600
600 (this color)
#B63A57
oklch(53.5% 0.16 10.5)
-
Step 700
700
#A3314C
oklch(49.1% 0.15 10.6)
-
Step 800
800
#842A3F
oklch(42.6% 0.124 10.1)
-
Step 900
900
#6B2835
oklch(37.8% 0.096 11)
-
Step 950
950
#3F181F
oklch(27% 0.061 10.9)
#B63A57 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) | #575757 | 0.178 |
| Deuteranopia (no green cones) | #787154 | 0.163 |
| Tritanopia (no blue cones) | #C62346 | 0.039 |
| Achromatopsia (no color) | #676767 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B63A57
#B63A57
oklch(53.5% 0.16 10.5)
- #007E7A
#007E7A
oklch(53.5% 0.092 190.9)
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 #B63A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.025
- Light Burgundy #A8415B ΔE 0.028
- Dusty Red #B9484E ΔE 0.035
- Dull Red #BB3F3F ΔE 0.039
- Light Maroon #A24857 ΔE 0.043
- Deep Rose #C74767 ΔE 0.047
- Dark Pink #CB416B ΔE 0.051
- Rose Red #BE013C ΔE 0.053
Use #B63A57 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.