#B90929
Closest named color: Lipstick Red (#C0022F). oklch(49.9% 0.197 22.2), rgb(185, 9, 41).
Aa
White text reads best on this color (6.70:1).
About this color
#B90929 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.197 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.016 away. White text reads best on it, at 6.70:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #B90929 |
| RGB | rgb(185, 9, 41) |
| HSL | hsl(349, 91%, 38%) |
| OKLCH | oklch(49.9% 0.197 22.2) |
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 #B90929 | 6.70:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #B90929 | 3.13:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #B90929 text on white | 6.70:1 | AA | Lc 80.7 | Fine for body text |
| #B90929 text on black | 3.13:1 | AA large text | Lc -21.2 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC9
oklch(88.5% 0.054 22.5)
-
Step 300
300
#F8A8A5
oklch(80.8% 0.095 21.8)
-
Step 400
400
#F17574
oklch(70.7% 0.153 22.2)
-
Step 500
500
#E84950
oklch(63.2% 0.195 22.4)
-
Step 600
600
#D31B34
oklch(55.6% 0.212 22.3)
-
Step 700
700 (this color)
#B90929
oklch(49.9% 0.197 22.2)
-
Step 800
800
#940F21
oklch(42.7% 0.163 22.4)
-
Step 900
900
#771920
oklch(37.7% 0.128 22.2)
-
Step 950
950
#461113
oklch(26.9% 0.081 22.4)
#B90929 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) | #4C4528 | 0.219 |
| Deuteranopia (no green cones) | #746822 | 0.198 |
| Tritanopia (no blue cones) | #CC001B | 0.041 |
| Achromatopsia (no color) | #5C5C5C | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B90929
#B90929
oklch(49.9% 0.197 22.2)
- #007178
#007178
oklch(50% 0.085 202.3)
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 #B90929, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.016
- Scarlet #BE0119 ΔE 0.016
- Firebrick #B22222 ΔE 0.023
- Rose Red #BE013C ΔE 0.025
- Rufous #AE2012 ΔE 0.034
- Rouge #AB1239 ΔE 0.034
- Brown #A52A2A ΔE 0.043
- Cherry #CF0234 ΔE 0.047
Use #B90929 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.