#B52935
Closest named color: Firebrick (#B22222). oklch(51% 0.175 21.9), rgb(181, 41, 53).
Aa
White text reads best on this color (6.29:1).
About this color
#B52935 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.175 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.021 away. White text reads best on it, at 6.29:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #B52935 |
| RGB | rgb(181, 41, 53) |
| HSL | hsl(355, 63%, 44%) |
| OKLCH | oklch(51% 0.175 21.9) |
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 #B52935 | 6.29:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #B52935 | 3.33:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #B52935 text on white | 6.29:1 | AA | Lc 79.9 | Fine for body text |
| #B52935 text on black | 3.33:1 | AA large text | Lc -21.9 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F7CECB
oklch(88.6% 0.047 23)
-
Step 300
300
#F3ABA8
oklch(80.9% 0.085 21.8)
-
Step 400
400
#E97B7A
oklch(70.6% 0.136 21.6)
-
Step 500
500
#DF5458
oklch(63.1% 0.174 21.9)
-
Step 600
600
#CA313D
oklch(55.6% 0.189 22)
-
Step 700
700 (this color)
#B52935
oklch(51% 0.175 21.9)
-
Step 800
800
#8E1F28
oklch(42.8% 0.146 22)
-
Step 900
900
#722125
oklch(37.7% 0.114 21.7)
-
Step 950
950
#431516
oklch(27% 0.071 21.9)
#B52935 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) | #534D34 | 0.192 |
| Deuteranopia (no green cones) | #766B30 | 0.176 |
| Tritanopia (no blue cones) | #C7002F | 0.038 |
| Achromatopsia (no color) | #606060 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B52935
#B52935
oklch(51% 0.175 21.9)
- #00747B
#00747B
oklch(50.9% 0.087 202.2)
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 #B52935, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.021
- Lipstick Red #C0022F ΔE 0.030
- Scarlet #BE0119 ΔE 0.033
- Rose Red #BE013C ΔE 0.034
- Rufous #AE2012 ΔE 0.035
- Brown #A52A2A ΔE 0.035
- Dull Red #BB3F3F ΔE 0.038
- Rouge #AB1239 ΔE 0.039
Use #B52935 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.