#B50429
Closest named color: Scarlet (#BE0119). oklch(49% 0.195 21.6), rgb(181, 4, 41).
Aa
White text reads best on this color (6.96:1).
About this color
#B50429 is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.195 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.024 away. White text reads best on it, at 6.96:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.195) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #B50429 |
| RGB | rgb(181, 4, 41) |
| HSL | hsl(347, 96%, 36%) |
| OKLCH | oklch(49% 0.195 21.6) |
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 #B50429 | 6.96:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #B50429 | 3.01:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #B50429 text on white | 6.96:1 | AA | Lc 81.6 | Fine for body text |
| #B50429 text on black | 3.01:1 | AA large text | Lc -20.3 | 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
#F8A8A6
oklch(80.9% 0.095 20.9)
-
Step 400
400
#F07676
oklch(70.8% 0.151 21.6)
-
Step 500
500
#E74A52
oklch(63.2% 0.193 21.8)
-
Step 600
600
#D21D37
oklch(55.6% 0.21 21.6)
-
Step 700
700 (this color)
#B50429
oklch(49% 0.195 21.6)
-
Step 800
800
#931023
oklch(42.6% 0.162 21.7)
-
Step 900
900
#761A22
oklch(37.7% 0.126 21.3)
-
Step 950
950
#461214
oklch(27.1% 0.08 22)
#B50429 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) | #494328 | 0.218 |
| Deuteranopia (no green cones) | #716522 | 0.196 |
| Tritanopia (no blue cones) | #C80019 | 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°).
- #B50429
#B50429
oklch(49% 0.195 21.6)
- #006E74
#006E74
oklch(49% 0.083 201.4)
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 #B50429, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.024
- Lipstick Red #C0022F ΔE 0.024
- Firebrick #B22222 ΔE 0.024
- Rouge #AB1239 ΔE 0.027
- Rose Red #BE013C ΔE 0.029
- Rufous #AE2012 ΔE 0.033
- Brown #A52A2A ΔE 0.039
- Raspberry #B00149 ΔE 0.045
Use #B50429 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.