#B91C58
Closest named color: Raspberry (#B00149). oklch(51.6% 0.191 5.5), rgb(185, 28, 88).
Aa
White text reads best on this color (6.23:1).
About this color
#B91C58 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.191 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Raspberry (#B00149), ΔE 0.033 away. White text reads best on it, at 6.23:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Raspberry (#B00149) |
| Black text | 3.36:1 |
| White text | 6.23:1 |
Values
| HEX | #B91C58 |
| RGB | rgb(185, 28, 88) |
| HSL | hsl(337, 74%, 42%) |
| OKLCH | oklch(51.6% 0.191 5.5) |
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 #B91C58 | 6.23:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #B91C58 | 3.36:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #B91C58 text on white | 6.23:1 | AA | Lc 79.3 | Fine for body text |
| #B91C58 text on black | 3.36:1 | AA large text | Lc -22.5 | 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
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F8CCD4
oklch(88.5% 0.051 5.9)
-
Step 300
300
#F5A8B8
oklch(81% 0.093 5.7)
-
Step 400
400
#EB7593
oklch(70.6% 0.148 5.5)
-
Step 500
500
#E14A79
oklch(63.1% 0.189 5.4)
-
Step 600
600
#CC2162
oklch(55.6% 0.205 5.4)
-
Step 700
700 (this color)
#B91C58
oklch(51.6% 0.191 5.5)
-
Step 800
800
#8F1342
oklch(42.7% 0.158 5.7)
-
Step 900
900
#731B38
oklch(37.7% 0.123 5.6)
-
Step 950
950
#441221
oklch(27.1% 0.078 5.6)
#B91C58 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) | #494D59 | 0.216 |
| Deuteranopia (no green cones) | #716B54 | 0.195 |
| Tritanopia (no blue cones) | #CA0038 | 0.053 |
| Achromatopsia (no color) | #616161 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B91C58
#B91C58
oklch(51.6% 0.191 5.5)
- #00786F
#00786F
oklch(51.5% 0.09 185.7)
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 #B91C58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raspberry #B00149 ΔE 0.033
- Rose Red #BE013C ΔE 0.038
- Ruby #CA0147 ΔE 0.040
- Rouge #AB1239 ΔE 0.052
- Violet Red #A50055 ΔE 0.052
- Lipstick Red #C0022F ΔE 0.054
- Light Burgundy #A8415B ΔE 0.055
- Lipstick #D5174E ΔE 0.060
Use #B91C58 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.