#B50325
Closest named color: Scarlet (#BE0119). oklch(48.9% 0.196 22.7), rgb(181, 3, 37).
Aa
White text reads best on this color (6.98:1).
About this color
#B50325 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.196 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.022 away. White text reads best on it, at 6.98:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #B50325 |
| RGB | rgb(181, 3, 37) |
| HSL | hsl(349, 97%, 36%) |
| OKLCH | oklch(48.9% 0.196 22.7) |
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 #B50325 | 6.98:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #B50325 | 3.00:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #B50325 text on white | 6.98:1 | AA | Lc 81.7 | Fine for body text |
| #B50325 text on black | 3.00:1 | AA large text | Lc -20.2 | 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
#FACCC9
oklch(88.4% 0.052 22.6)
-
Step 300
300
#F8A8A4
oklch(80.8% 0.095 22.5)
-
Step 400
400
#F07674
oklch(70.7% 0.151 22.6)
-
Step 500
500
#E74A4F
oklch(63.1% 0.193 22.9)
-
Step 600
600
#D31D33
oklch(55.7% 0.211 22.8)
-
Step 700
700 (this color)
#B50325
oklch(48.9% 0.196 22.7)
-
Step 800
800
#941021
oklch(42.8% 0.163 22.6)
-
Step 900
900
#761A20
oklch(37.6% 0.126 22.5)
-
Step 950
950
#461213
oklch(27.1% 0.08 23.1)
#B50325 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) | #494324 | 0.219 |
| Deuteranopia (no green cones) | #71651D | 0.197 |
| Tritanopia (no blue cones) | #C80017 | 0.042 |
| Achromatopsia (no color) | #595959 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B50325
#B50325
oklch(48.9% 0.196 22.7)
- #006E75
#006E75
oklch(49% 0.083 202.5)
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 #B50325, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.022
- Firebrick #B22222 ΔE 0.022
- Lipstick Red #C0022F ΔE 0.025
- Rouge #AB1239 ΔE 0.030
- Rufous #AE2012 ΔE 0.030
- Rose Red #BE013C ΔE 0.032
- Brown #A52A2A ΔE 0.038
- Rust Red #AA2704 ΔE 0.043
Use #B50325 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.