#B3155A
Closest named color: Raspberry (#B00149). oklch(50.2% 0.192 2.6), rgb(179, 21, 90).
Aa
White text reads best on this color (6.62:1).
About this color
#B3155A is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.192 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.026 away. White text reads best on it, at 6.62:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.17:1 |
| White text | 6.62:1 |
Values
| HEX | #B3155A |
| RGB | rgb(179, 21, 90) |
| HSL | hsl(334, 79%, 39%) |
| OKLCH | oklch(50.2% 0.192 2.6) |
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 #B3155A | 6.62:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #B3155A | 3.17:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #B3155A text on white | 6.62:1 | AA | Lc 80.8 | Fine for body text |
| #B3155A text on black | 3.17:1 | AA large text | Lc -21.0 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F8CCD6
oklch(88.6% 0.051 2.9)
-
Step 300
300
#F4A8BB
oklch(81% 0.092 3)
-
Step 400
400
#EA7598
oklch(70.7% 0.148 2.7)
-
Step 500
500
#E04A7F
oklch(63.1% 0.19 2.7)
-
Step 600
600
#CB2168
oklch(55.6% 0.206 2.8)
-
Step 700
700 (this color)
#B3155A
oklch(50.2% 0.192 2.6)
-
Step 800
800
#8E1347
oklch(42.6% 0.159 2.6)
-
Step 900
900
#721B3C
oklch(37.7% 0.123 2.3)
-
Step 950
950
#431223
oklch(27% 0.077 2.4)
#B3155A 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) | #434A5B | 0.217 |
| Deuteranopia (no green cones) | #6C6756 | 0.194 |
| Tritanopia (no blue cones) | #C30037 | 0.058 |
| Achromatopsia (no color) | #5D5D5D | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3155A
#B3155A
oklch(50.2% 0.192 2.6)
- #007468
#007468
oklch(50.2% 0.09 182.5)
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 #B3155A, closest first.
No curated palette has a color within ΔE 0.04 of #B3155A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.026
- Violet Red #A50055 ΔE 0.036
- Deep Magenta #A0025C ΔE 0.047
- Rose Red #BE013C ΔE 0.048
- Rouge #AB1239 ΔE 0.050
- Dark Fuchsia #9D0759 ΔE 0.051
- Ruby #CA0147 ΔE 0.055
- Berry #990F4B ΔE 0.059
Use #B3155A 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.