#B63B73
Closest named color: Dark Rose (#B5485D). oklch(54.5% 0.166 356.1), rgb(182, 59, 115).
Aa
White text reads best on this color (5.43:1).
About this color
#B63B73 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.166 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Rose (#B5485D), ΔE 0.048 away. White text reads best on it, at 5.43:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Dark Rose (#B5485D) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #B63B73 |
| RGB | rgb(182, 59, 115) |
| HSL | hsl(333, 51%, 47%) |
| OKLCH | oklch(54.5% 0.166 356.1) |
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 #B63B73 | 5.43:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #B63B73 | 3.86:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #B63B73 text on white | 5.43:1 | AA | Lc 76.2 | Fine for body text |
| #B63B73 text on black | 3.86:1 | AA large text | Lc -25.5 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CEDA
oklch(88.4% 0.042 355.3)
-
Step 300
300
#E9ADC2
oklch(80.9% 0.075 356.1)
-
Step 400
400
#DB80A3
oklch(70.7% 0.119 356)
-
Step 500
500
#CF5C8C
oklch(63.1% 0.154 356.3)
-
Step 600
600 (this color)
#B63B73
oklch(54.5% 0.166 356.1)
-
Step 700
700
#A03063
oklch(49.2% 0.154 356.4)
-
Step 800
800
#822951
oklch(42.8% 0.128 356.3)
-
Step 900
900
#692743
oklch(37.8% 0.1 356.5)
-
Step 950
950
#3E1727
oklch(27% 0.064 356.6)
#B63B73 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) | #515B75 | 0.185 |
| Deuteranopia (no green cones) | #737270 | 0.167 |
| Tritanopia (no blue cones) | #C43052 | 0.054 |
| Achromatopsia (no color) | #6A6A6A | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B63B73
#B63B73
oklch(54.5% 0.166 356.1)
- #00836E
#00836E
oklch(54.5% 0.102 176.2)
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 #B63B73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Rose #B5485D ΔE 0.048
- Light Burgundy #A8415B ΔE 0.048
- Dark Pink #CB416B ΔE 0.049
- Deep Rose #C74767 ΔE 0.051
- Medium Violet Red #C71585 ΔE 0.060
- Light Maroon #A24857 ΔE 0.065
- Light Plum #9D5783 ΔE 0.067
- Dusty Red #B9484E ΔE 0.069
Use #B63B73 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.