#B4234B
Closest named color: Rose Red (#BE013C). oklch(50.8% 0.18 11.3), rgb(180, 35, 75).
Aa
White text reads best on this color (6.39:1).
About this color
#B4234B is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.180 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.028 away. White text reads best on it, at 6.39:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.28:1 |
| White text | 6.39:1 |
Values
| HEX | #B4234B |
| RGB | rgb(180, 35, 75) |
| HSL | hsl(343, 67%, 42%) |
| OKLCH | oklch(50.8% 0.18 11.3) |
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 #B4234B | 6.39:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #B4234B | 3.28:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #B4234B text on white | 6.39:1 | AA | Lc 80.3 | Fine for body text |
| #B4234B text on black | 3.28:1 | AA large text | Lc -21.6 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE3E5
oklch(93.5% 0.025 11.6)
-
Step 200
200
#F7CDD1
oklch(88.5% 0.048 11.6)
-
Step 300
300
#F3AAB2
oklch(81% 0.086 11.9)
-
Step 400
400
#E9798B
oklch(70.8% 0.139 11.1)
-
Step 500
500
#DF506E
oklch(63.1% 0.178 11.2)
-
Step 600
600
#CA2C56
oklch(55.6% 0.193 11.4)
-
Step 700
700 (this color)
#B4234B
oklch(50.8% 0.18 11.3)
-
Step 800
800
#8D1B3A
oklch(42.6% 0.149 11.1)
-
Step 900
900
#721F32
oklch(37.8% 0.116 11.2)
-
Step 950
950
#43141D
oklch(27% 0.073 11.8)
#B4234B 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) | #4C4C4C | 0.202 |
| Deuteranopia (no green cones) | #716947 | 0.183 |
| Tritanopia (no blue cones) | #C50035 | 0.042 |
| Achromatopsia (no color) | #5F5F5F | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4234B
#B4234B
oklch(50.8% 0.18 11.3)
- #007572
#007572
oklch(50.8% 0.087 191.6)
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 #B4234B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.028
- Raspberry #B00149 ΔE 0.028
- Rouge #AB1239 ΔE 0.034
- Lipstick Red #C0022F ΔE 0.040
- Ruby #CA0147 ΔE 0.043
- Light Burgundy #A8415B ΔE 0.046
- Firebrick #B22222 ΔE 0.050
- Brown #A52A2A ΔE 0.054
Use #B4234B 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.