#B1145B
Closest named color: Raspberry (#B00149). oklch(49.8% 0.191 1.6), rgb(177, 20, 91).
Aa
White text reads best on this color (6.72:1).
About this color
#B1145B 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 0.026 away. White text reads best on it, at 6.72:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #B1145B |
| RGB | rgb(177, 20, 91) |
| HSL | hsl(333, 80%, 39%) |
| OKLCH | oklch(49.8% 0.191 1.6) |
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 #B1145B | 6.72:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #B1145B | 3.12:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #B1145B text on white | 6.72:1 | AA | Lc 81.3 | Fine for body text |
| #B1145B text on black | 3.12:1 | AA large text | Lc -20.6 | 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
#F8CCD7
oklch(88.6% 0.052 1.5)
-
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
#CA226B
oklch(55.5% 0.205 1.4)
-
Step 700
700 (this color)
#B1145B
oklch(49.8% 0.191 1.6)
-
Step 800
800
#8E1449
oklch(42.8% 0.159 1.6)
-
Step 900
900
#721B3D
oklch(37.7% 0.123 1.5)
-
Step 950
950
#431224
oklch(27% 0.078 1.1)
#B1145B 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) | #41495C | 0.217 |
| Deuteranopia (no green cones) | #6A6658 | 0.193 |
| Tritanopia (no blue cones) | #C10037 | 0.060 |
| Achromatopsia (no color) | #5C5C5C | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1145B
#B1145B
oklch(49.8% 0.191 1.6)
- #007366
#007366
oklch(49.8% 0.09 181.4)
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 #B1145B, closest first.
No curated palette has a color within ΔE 0.04 of #B1145B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.026
- Violet Red #A50055 ΔE 0.031
- Deep Magenta #A0025C ΔE 0.042
- Dark Fuchsia #9D0759 ΔE 0.046
- Rouge #AB1239 ΔE 0.051
- Rose Red #BE013C ΔE 0.052
- Red Violet #9E0168 ΔE 0.054
- Berry #990F4B ΔE 0.056
Use #B1145B 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.