#B63A51
Closest named color: Dark Rose (#B5485D). oklch(53.4% 0.159 13.5), rgb(182, 58, 81).
Aa
White text reads best on this color (5.65:1).
About this color
#B63A51 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.159 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.026 away. White text reads best on it, at 5.65:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #B63A51 |
| RGB | rgb(182, 58, 81) |
| HSL | hsl(349, 52%, 47%) |
| OKLCH | oklch(53.4% 0.159 13.5) |
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 #B63A51 | 5.65:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #B63A51 | 3.71:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #B63A51 text on white | 5.65:1 | AA | Lc 77.3 | Fine for body text |
| #B63A51 text on black | 3.71:1 | AA large text | Lc -24.5 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F2CFD1
oklch(88.5% 0.039 14)
-
Step 300
300
#EBAEB3
oklch(80.9% 0.072 13.3)
-
Step 400
400
#DE818B
oklch(70.6% 0.115 13.5)
-
Step 500
500
#D25E6F
oklch(63% 0.147 13.3)
-
Step 600
600 (this color)
#B63A51
oklch(53.4% 0.159 13.5)
-
Step 700
700
#A33247
oklch(49.1% 0.148 13.7)
-
Step 800
800
#842B3B
oklch(42.7% 0.122 13.3)
-
Step 900
900
#6B2832
oklch(37.7% 0.096 13.9)
-
Step 950
950
#3F181E
oklch(27% 0.061 12.6)
#B63A51 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) | #595751 | 0.176 |
| Deuteranopia (no green cones) | #78704E | 0.161 |
| Tritanopia (no blue cones) | #C72143 | 0.040 |
| Achromatopsia (no color) | #676767 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B63A51
#B63A51
oklch(53.4% 0.159 13.5)
- #007D7C
#007D7C
oklch(53.4% 0.091 193.8)
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 #B63A51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.026
- Light Burgundy #A8415B ΔE 0.030
- Dusty Red #B9484E ΔE 0.030
- Dull Red #BB3F3F ΔE 0.031
- Light Maroon #A24857 ΔE 0.042
- Deep Rose #C74767 ΔE 0.050
- Rose Red #BE013C ΔE 0.051
- Ruby #CA0147 ΔE 0.054
Use #B63A51 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.