#B3175C
Closest named color: Raspberry (#B00149). oklch(50.4% 0.191 1.9), rgb(179, 23, 92).
Aa
White text reads best on this color (6.57:1).
About this color
#B3175C is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.191 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.029 away. White text reads best on it, at 6.57:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #B3175C |
| RGB | rgb(179, 23, 92) |
| HSL | hsl(333, 77%, 40%) |
| OKLCH | oklch(50.4% 0.191 1.9) |
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 #B3175C | 6.57:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #B3175C | 3.19:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #B3175C text on white | 6.57:1 | AA | Lc 80.7 | Fine for body text |
| #B3175C text on black | 3.19:1 | AA large text | Lc -21.1 | 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
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F8CCD6
oklch(88.6% 0.051 2.9)
-
Step 300
300
#F3A8BC
oklch(80.9% 0.091 1.9)
-
Step 400
400
#EA759A
oklch(70.7% 0.149 1.6)
-
Step 500
500
#DF4B81
oklch(63.1% 0.188 1.8)
-
Step 600
600
#CA226A
oklch(55.5% 0.205 1.8)
-
Step 700
700 (this color)
#B3175C
oklch(50.4% 0.191 1.9)
-
Step 800
800
#8E1448
oklch(42.7% 0.158 2.1)
-
Step 900
900
#721B3D
oklch(37.7% 0.123 1.5)
-
Step 950
950
#431223
oklch(27% 0.077 2.4)
#B3175C 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) | #434A5D | 0.217 |
| Deuteranopia (no green cones) | #6C6858 | 0.195 |
| Tritanopia (no blue cones) | #C30039 | 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°).
- #B3175C
#B3175C
oklch(50.4% 0.191 1.9)
- #007568
#007568
oklch(50.4% 0.091 181.6)
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 #B3175C, closest first.
No curated palette has a color within ΔE 0.04 of #B3175C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.029
- Violet Red #A50055 ΔE 0.037
- Deep Magenta #A0025C ΔE 0.047
- Rose Red #BE013C ΔE 0.050
- Dark Fuchsia #9D0759 ΔE 0.052
- Rouge #AB1239 ΔE 0.052
- Ruby #CA0147 ΔE 0.056
- Red Violet #9E0168 ΔE 0.059
Use #B3175C 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.