#B3156B
Closest named color: Violet Red (#A50055). oklch(50.8% 0.198 355), rgb(179, 21, 107).
Aa
White text reads best on this color (6.48:1).
About this color
#B3156B is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.198 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.045 away. White text reads best on it, at 6.48:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #B3156B |
| RGB | rgb(179, 21, 107) |
| HSL | hsl(327, 79%, 39%) |
| OKLCH | oklch(50.8% 0.198 355) |
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 #B3156B | 6.48:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #B3156B | 3.23:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #B3156B text on white | 6.48:1 | AA | Lc 80.3 | Fine for body text |
| #B3156B text on black | 3.23:1 | AA large text | Lc -21.5 | 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 700.
-
Step 50
50
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE3EB
oklch(93.7% 0.027 354.5)
-
Step 200
200
#F7CBDB
oklch(88.5% 0.054 354.4)
-
Step 300
300
#F3A7C4
oklch(81% 0.096 354.9)
-
Step 400
400
#E874A5
oklch(70.6% 0.152 355.1)
-
Step 500
500
#DE498F
oklch(63.2% 0.195 355.3)
-
Step 600
600
#C91E79
oklch(55.6% 0.212 355.2)
-
Step 700
700 (this color)
#B3156B
oklch(50.8% 0.198 355)
-
Step 800
800
#8D1153
oklch(42.8% 0.164 355.4)
-
Step 900
900
#711A45
oklch(37.7% 0.127 354.9)
-
Step 950
950
#431128
oklch(27% 0.081 355.6)
#B3156B 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) | #3D4C6D | 0.225 |
| Deuteranopia (no green cones) | #686868 | 0.198 |
| Tritanopia (no blue cones) | #C20040 | 0.071 |
| Achromatopsia (no color) | #5E5E5E | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3156B
#B3156B
oklch(50.8% 0.198 355)
- #007762
#007762
oklch(50.8% 0.096 174.7)
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 #B3156B, closest first.
No curated palette has a color within ΔE 0.04 of #B3156B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.045
- Deep Magenta #A0025C ΔE 0.048
- Red Violet #9E0168 ΔE 0.050
- Raspberry #B00149 ΔE 0.051
- Dark Fuchsia #9D0759 ΔE 0.055
- Medium Violet Red #C71585 ΔE 0.055
- Berry #990F4B ΔE 0.072
- Light Burgundy #A8415B ΔE 0.072
Use #B3156B 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.