#B10550
Closest named color: Raspberry (#B00149). oklch(49% 0.194 5.7), rgb(177, 5, 80).
Aa
White text reads best on this color (6.98:1).
About this color
#B10550 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.194 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.010 away. White text reads best on it, at 6.98:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #B10550 |
| RGB | rgb(177, 5, 80) |
| HSL | hsl(334, 95%, 36%) |
| OKLCH | oklch(49% 0.194 5.7) |
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 #B10550 | 6.98:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #B10550 | 3.00:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #B10550 text on white | 6.98:1 | AA | Lc 81.8 | Fine for body text |
| #B10550 text on black | 3.00:1 | AA large text | Lc -20.0 | 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
#FEF2F4
oklch(97.1% 0.013 5.8)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F9CBD4
oklch(88.4% 0.053 5.1)
-
Step 300
300
#F5A7B8
oklch(80.8% 0.094 5.1)
-
Step 400
400
#EC7493
oklch(70.6% 0.151 5.4)
-
Step 500
500
#E24878
oklch(63% 0.192 5.7)
-
Step 600
600
#CE1D61
oklch(55.7% 0.209 5.9)
-
Step 700
700 (this color)
#B10550
oklch(49% 0.194 5.7)
-
Step 800
800
#901042
oklch(42.7% 0.161 5.6)
-
Step 900
900
#741938
oklch(37.7% 0.126 5.4)
-
Step 950
950
#441121
oklch(26.9% 0.079 5)
#B10550 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) | #414551 | 0.221 |
| Deuteranopia (no green cones) | #6A644C | 0.198 |
| Tritanopia (no blue cones) | #C2002E | 0.060 |
| Achromatopsia (no color) | #595959 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B10550
#B10550
oklch(49% 0.194 5.7)
- #007067
#007067
oklch(49% 0.086 185.2)
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 #B10550, closest first.
No curated palette has a color within ΔE 0.04 of #B10550.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.010
- Violet Red #A50055 ΔE 0.029
- Rouge #AB1239 ΔE 0.037
- Rose Red #BE013C ΔE 0.041
- Deep Magenta #A0025C ΔE 0.045
- Dark Fuchsia #9D0759 ΔE 0.047
- Berry #990F4B ΔE 0.050
- Cranberry #9E003A ΔE 0.051
Use #B10550 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.