#B91530
Closest named color: Lipstick Red (#C0022F). oklch(50.4% 0.192 21), rgb(185, 21, 48).
Aa
White text reads best on this color (6.53:1).
About this color
#B91530 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.192 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.014 away. White text reads best on it, at 6.53:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #B91530 |
| RGB | rgb(185, 21, 48) |
| HSL | hsl(350, 80%, 40%) |
| OKLCH | oklch(50.4% 0.192 21) |
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 #B91530 | 6.53:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #B91530 | 3.21:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #B91530 text on white | 6.53:1 | AA | Lc 80.3 | Fine for body text |
| #B91530 text on black | 3.21:1 | AA large text | Lc -21.5 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FACCCA
oklch(88.4% 0.052 21.1)
-
Step 300
300
#F7A9A7
oklch(80.9% 0.093 20.9)
-
Step 400
400
#EF7678
oklch(70.7% 0.149 20.6)
-
Step 500
500
#E64B55
oklch(63.2% 0.191 20.9)
-
Step 600
600
#D1203A
oklch(55.6% 0.207 20.9)
-
Step 700
700 (this color)
#B91530
oklch(50.4% 0.192 21)
-
Step 800
800
#921326
oklch(42.6% 0.159 20.7)
-
Step 900
900
#761B23
oklch(37.8% 0.125 21)
-
Step 950
950
#451215
oklch(26.9% 0.078 20.8)
#B91530 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) | #4E482F | 0.213 |
| Deuteranopia (no green cones) | #75692A | 0.193 |
| Tritanopia (no blue cones) | #CC0023 | 0.039 |
| Achromatopsia (no color) | #5D5D5D | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B91530
#B91530
oklch(50.4% 0.192 21)
- #007378
#007378
oklch(50.5% 0.086 200.1)
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 #B91530, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.014
- Rose Red #BE013C ΔE 0.021
- Scarlet #BE0119 ΔE 0.021
- Firebrick #B22222 ΔE 0.024
- Rouge #AB1239 ΔE 0.034
- Rufous #AE2012 ΔE 0.037
- Brown #A52A2A ΔE 0.043
- Cherry #CF0234 ΔE 0.044
Use #B91530 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.