#B10B5F
Closest named color: Violet Red (#A50055). oklch(49.6% 0.196 359.3), rgb(177, 11, 95).
Aa
White text reads best on this color (6.81:1).
About this color
#B10B5F is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.196 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.030 away. White text reads best on it, at 6.81:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #B10B5F |
| RGB | rgb(177, 11, 95) |
| HSL | hsl(330, 88%, 37%) |
| OKLCH | oklch(49.6% 0.196 359.3) |
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 #B10B5F | 6.81:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #B10B5F | 3.08:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #B10B5F text on white | 6.81:1 | AA | Lc 81.4 | Fine for body text |
| #B10B5F text on black | 3.08:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FBE3E9
oklch(93.7% 0.027 0.7)
-
Step 200
200
#F8CBD8
oklch(88.5% 0.053 359)
-
Step 300
300
#F4A7BF
oklch(80.9% 0.095 359.2)
-
Step 400
400
#EA749E
oklch(70.7% 0.152 359.2)
-
Step 500
500
#E04886
oklch(63.1% 0.194 359.3)
-
Step 600
600
#CB1D70
oklch(55.6% 0.211 359.2)
-
Step 700
700 (this color)
#B10B5F
oklch(49.6% 0.196 359.3)
-
Step 800
800
#8E104C
oklch(42.6% 0.162 359.5)
-
Step 900
900
#721940
oklch(37.6% 0.127 358.8)
-
Step 950
950
#431125
oklch(26.9% 0.08 359.3)
#B10B5F 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) | #3D4861 | 0.225 |
| Deuteranopia (no green cones) | #68655C | 0.198 |
| Tritanopia (no blue cones) | #C10038 | 0.067 |
| Achromatopsia (no color) | #5B5B5B | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B10B5F
#B10B5F
oklch(49.6% 0.196 359.3)
- #007363
#007363
oklch(49.7% 0.091 178.6)
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 #B10B5F, closest first.
No curated palette has a color within ΔE 0.04 of #B10B5F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.030
- Raspberry #B00149 ΔE 0.033
- Deep Magenta #A0025C ΔE 0.038
- Dark Fuchsia #9D0759 ΔE 0.044
- Red Violet #9E0168 ΔE 0.048
- Berry #990F4B ΔE 0.057
- Rouge #AB1239 ΔE 0.059
- Rose Red #BE013C ΔE 0.059
Use #B10B5F 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.