#B01C51
Closest named color: Raspberry (#B00149). oklch(49.8% 0.183 6.8), rgb(176, 28, 81).
Aa
White text reads best on this color (6.70:1).
About this color
#B01C51 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.183 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.018 away. White text reads best on it, at 6.70:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #B01C51 |
| RGB | rgb(176, 28, 81) |
| HSL | hsl(339, 73%, 40%) |
| OKLCH | oklch(49.8% 0.183 6.8) |
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 #B01C51 | 6.70:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #B01C51 | 3.13:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #B01C51 text on white | 6.70:1 | AA | Lc 81.4 | Fine for body text |
| #B01C51 text on black | 3.13:1 | AA large text | Lc -20.5 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E7
oklch(93.6% 0.026 5.7)
-
Step 200
200
#F7CCD4
oklch(88.4% 0.05 5.6)
-
Step 300
300
#F3A9B7
oklch(80.9% 0.089 6.8)
-
Step 400
400
#E97892
oklch(70.8% 0.141 6.8)
-
Step 500
500
#DE4F77
oklch(63.1% 0.18 6.8)
-
Step 600
600
#C92960
oklch(55.5% 0.196 6.6)
-
Step 700
700 (this color)
#B01C51
oklch(49.8% 0.183 6.8)
-
Step 800
800
#8D1941
oklch(42.7% 0.152 6.6)
-
Step 900
900
#711E37
oklch(37.6% 0.117 6.7)
-
Step 950
950
#431320
oklch(27% 0.075 7)
#B01C51 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) | #464952 | 0.206 |
| Deuteranopia (no green cones) | #6C664D | 0.186 |
| Tritanopia (no blue cones) | #C00035 | 0.048 |
| Achromatopsia (no color) | #5C5C5C | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B01C51
#B01C51
oklch(49.8% 0.183 6.8)
- #00726B
#00726B
oklch(49.7% 0.087 187.4)
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 #B01C51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.018
- Rouge #AB1239 ΔE 0.035
- Violet Red #A50055 ΔE 0.038
- Rose Red #BE013C ΔE 0.039
- Deep Magenta #A0025C ΔE 0.051
- Light Burgundy #A8415B ΔE 0.052
- Dark Fuchsia #9D0759 ΔE 0.053
- Ruby #CA0147 ΔE 0.053
Use #B01C51 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.