#B3105D
Closest named color: Raspberry (#B00149). oklch(50.1% 0.195 1), rgb(179, 16, 93).
Aa
White text reads best on this color (6.66:1).
About this color
#B3105D is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.195 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.030 away. White text reads best on it, at 6.66:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.195) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.14:1 |
| White text | 6.66:1 |
Values
| HEX | #B3105D |
| RGB | rgb(179, 16, 93) |
| HSL | hsl(332, 84%, 38%) |
| OKLCH | oklch(50.1% 0.195 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 #B3105D | 6.66:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #B3105D | 3.14:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #B3105D text on white | 6.66:1 | AA | Lc 80.9 | Fine for body text |
| #B3105D text on black | 3.14:1 | AA large text | Lc -20.9 | 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
#FBE3E9
oklch(93.7% 0.027 0.7)
-
Step 200
200
#F8CBD7
oklch(88.4% 0.053 0.4)
-
Step 300
300
#F4A7BD
oklch(80.9% 0.094 0.8)
-
Step 400
400
#EB749B
oklch(70.7% 0.152 1)
-
Step 500
500
#E04983
oklch(63.1% 0.192 0.8)
-
Step 600
600
#CB1E6C
oklch(55.5% 0.209 0.9)
-
Step 700
700 (this color)
#B3105D
oklch(50.1% 0.195 1)
-
Step 800
800
#8E114A
oklch(42.6% 0.161 0.7)
-
Step 900
900
#731A3E
oklch(37.8% 0.126 0.9)
-
Step 950
950
#441124
oklch(27% 0.08 1.2)
#B3105D 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) | #40495E | 0.223 |
| Deuteranopia (no green cones) | #6A6759 | 0.199 |
| Tritanopia (no blue cones) | #C30038 | 0.063 |
| Achromatopsia (no color) | #5C5C5C | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3105D
#B3105D
oklch(50.1% 0.195 1)
- #007466
#007466
oklch(50.1% 0.091 180.6)
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 #B3105D, closest first.
No curated palette has a color within ΔE 0.04 of #B3105D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.030
- Violet Red #A50055 ΔE 0.034
- Deep Magenta #A0025C ΔE 0.044
- Dark Fuchsia #9D0759 ΔE 0.049
- Rose Red #BE013C ΔE 0.053
- Red Violet #9E0168 ΔE 0.055
- Rouge #AB1239 ΔE 0.055
- Ruby #CA0147 ΔE 0.059
Use #B3105D 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.