#B90D1F
Closest named color: Scarlet (#BE0119). oklch(49.9% 0.197 25.2), rgb(185, 13, 31).
Aa
White text reads best on this color (6.68:1).
About this color
#B90D1F is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.197 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.010 away. White text reads best on it, at 6.68:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.14:1 |
| White text | 6.68:1 |
Values
| HEX | #B90D1F |
| RGB | rgb(185, 13, 31) |
| HSL | hsl(354, 87%, 39%) |
| OKLCH | oklch(49.9% 0.197 25.2) |
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 #B90D1F | 6.68:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #B90D1F | 3.14:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #B90D1F text on white | 6.68:1 | AA | Lc 80.7 | Fine for body text |
| #B90D1F text on black | 3.14:1 | AA large text | Lc -21.1 | 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
#FACCC8
oklch(88.4% 0.053 24)
-
Step 300
300
#F8A9A1
oklch(80.9% 0.095 25.8)
-
Step 400
400
#F1766F
oklch(70.8% 0.153 25)
-
Step 500
500
#E84A48
oklch(63.2% 0.195 25.3)
-
Step 600
600
#D31D2A
oklch(55.6% 0.212 25.1)
-
Step 700
700 (this color)
#B90D1F
oklch(49.9% 0.197 25.2)
-
Step 800
800
#94111A
oklch(42.7% 0.163 25.2)
-
Step 900
900
#771A1B
oklch(37.7% 0.127 25.3)
-
Step 950
950
#461211
oklch(27% 0.08 25.2)
#B90D1F 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) | #4E451D | 0.216 |
| Deuteranopia (no green cones) | #756815 | 0.196 |
| Tritanopia (no blue cones) | #CC0018 | 0.039 |
| Achromatopsia (no color) | #5C5C5C | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B90D1F
#B90D1F
oklch(49.9% 0.197 25.2)
- #00707A
#00707A
oklch(49.8% 0.085 205.6)
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 #B90D1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.010
- Firebrick #B22222 ΔE 0.018
- Lipstick Red #C0022F ΔE 0.022
- Rufous #AE2012 ΔE 0.027
- Rose Red #BE013C ΔE 0.035
- Rusty Red #AF2F0D ΔE 0.040
- Rust Red #AA2704 ΔE 0.040
- Rouge #AB1239 ΔE 0.041
Use #B90D1F 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.