#B72B45
Closest named color: Rose Red (#BE013C). oklch(51.8% 0.175 15.8), rgb(183, 43, 69).
Aa
White text reads best on this color (6.09:1).
About this color
#B72B45 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.175 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.030 away. White text reads best on it, at 6.09:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #B72B45 |
| RGB | rgb(183, 43, 69) |
| HSL | hsl(349, 62%, 44%) |
| OKLCH | oklch(51.8% 0.175 15.8) |
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 #B72B45 | 6.09:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #B72B45 | 3.44:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #B72B45 text on white | 6.09:1 | AA | Lc 79.1 | Fine for body text |
| #B72B45 text on black | 3.44:1 | AA large text | Lc -22.7 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#FAE4E4
oklch(93.7% 0.024 17.6)
-
Step 200
200
#F7CDCF
oklch(88.5% 0.048 14.9)
-
Step 300
300
#F2ABAE
oklch(80.9% 0.084 16.3)
-
Step 400
400
#E87A84
oklch(70.6% 0.136 15.5)
-
Step 500
500
#DE5365
oklch(63.1% 0.173 15.9)
-
Step 600
600
#C9304C
oklch(55.6% 0.188 16)
-
Step 700
700 (this color)
#B72B45
oklch(51.8% 0.175 15.8)
-
Step 800
800
#8D1E33
oklch(42.7% 0.145 15.8)
-
Step 900
900
#71212D
oklch(37.7% 0.112 15.7)
-
Step 950
950
#43151A
oklch(27.1% 0.071 16.7)
#B72B45 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) | #524F45 | 0.195 |
| Deuteranopia (no green cones) | #766D41 | 0.179 |
| Tritanopia (no blue cones) | #C90036 | 0.040 |
| Achromatopsia (no color) | #626262 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B72B45
#B72B45
oklch(51.8% 0.175 15.8)
- #007879
#007879
oklch(51.9% 0.088 195.8)
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 #B72B45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.030
- Lipstick Red #C0022F ΔE 0.034
- Dull Red #BB3F3F ΔE 0.039
- Firebrick #B22222 ΔE 0.041
- Rouge #AB1239 ΔE 0.041
- Ruby #CA0147 ΔE 0.042
- Light Burgundy #A8415B ΔE 0.044
- Raspberry #B00149 ΔE 0.045
Use #B72B45 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.