#B10049
Closest named color: Raspberry (#B00149). oklch(48.7% 0.195 8.5), rgb(177, 0, 73).
Aa
White text reads best on this color (7.08:1).
About this color
#B10049 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.195 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.002 away. White text reads best on it, at 7.08:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.195) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #B10049 |
| RGB | rgb(177, 0, 73) |
| HSL | hsl(335, 100%, 35%) |
| OKLCH | oklch(48.7% 0.195 8.5) |
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 #B10049 | 7.08:1 | AAA | Lc -87.1 | Fine for body text |
| Black text on #B10049 | 2.96:1 | Fails | Lc 22.0 | Dividers and decoration only |
| #B10049 text on white | 7.08:1 | AAA | Lc 82.0 | Fine for body text |
| #B10049 text on black | 2.96:1 | Fails | Lc -19.9 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E6
oklch(93.6% 0.027 9)
-
Step 200
200
#F9CCD2
oklch(88.6% 0.051 9.2)
-
Step 300
300
#F6A7B4
oklch(80.8% 0.094 8.6)
-
Step 400
400
#ED748E
oklch(70.6% 0.151 8.2)
-
Step 500
500
#E44872
oklch(63.2% 0.193 8.5)
-
Step 600
600
#CF1B5A
oklch(55.6% 0.21 8.6)
-
Step 700
700 (this color)
#B10049
oklch(48.7% 0.195 8.5)
-
Step 800
800
#910F3D
oklch(42.7% 0.162 8.5)
-
Step 900
900
#741934
oklch(37.6% 0.125 8.3)
-
Step 950
950
#45111F
oklch(27.1% 0.08 8)
#B10049 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) | #41434A | 0.222 |
| Deuteranopia (no green cones) | #6B6445 | 0.200 |
| Tritanopia (no blue cones) | #C20029 | 0.057 |
| Achromatopsia (no color) | #585858 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B10049
#B10049
oklch(48.7% 0.195 8.5)
- #006F69
#006F69
oklch(48.8% 0.085 188.3)
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 #B10049, closest first.
No curated palette has a color within ΔE 0.04 of #B10049.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.002
- Rouge #AB1239 ΔE 0.028
- Violet Red #A50055 ΔE 0.034
- Rose Red #BE013C ΔE 0.035
- Cranberry #9E003A ΔE 0.045
- Lipstick Red #C0022F ΔE 0.050
- Berry #990F4B ΔE 0.050
- Deep Magenta #A0025C ΔE 0.050
Use #B10049 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.