#B02F39
Closest named color: Firebrick (#B22222). oklch(50.7% 0.165 21.3), rgb(176, 47, 57).
Aa
White text reads best on this color (6.34:1).
About this color
#B02F39 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.165 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.025 away. White text reads best on it, at 6.34:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.31:1 |
| White text | 6.34:1 |
Values
| HEX | #B02F39 |
| RGB | rgb(176, 47, 57) |
| HSL | hsl(355, 58%, 44%) |
| OKLCH | oklch(50.7% 0.165 21.3) |
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 #B02F39 | 6.34:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #B02F39 | 3.31:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #B02F39 text on white | 6.34:1 | AA | Lc 80.3 | Fine for body text |
| #B02F39 text on black | 3.31:1 | AA large text | Lc -21.5 | 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
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F5CECC
oklch(88.4% 0.044 21.5)
-
Step 300
300
#F0ADAA
oklch(81% 0.079 21.8)
-
Step 400
400
#E57E7D
oklch(70.7% 0.128 21.4)
-
Step 500
500
#DA595C
oklch(63.1% 0.162 21.6)
-
Step 600
600
#C63943
oklch(55.7% 0.177 21.3)
-
Step 700
700 (this color)
#B02F39
oklch(50.7% 0.165 21.3)
-
Step 800
800
#8A242C
oklch(42.6% 0.137 21.1)
-
Step 900
900
#6F2428
oklch(37.6% 0.106 20.8)
-
Step 950
950
#421617
oklch(27% 0.069 21.5)
#B02F39 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) | #544E38 | 0.179 |
| Deuteranopia (no green cones) | #746935 | 0.164 |
| Tritanopia (no blue cones) | #C10034 | 0.042 |
| Achromatopsia (no color) | #5F5F5F | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B02F39
#B02F39
oklch(50.7% 0.165 21.3)
- #00747A
#00747A
oklch(50.8% 0.086 201.1)
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 #B02F39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.025
- Brown #A52A2A ΔE 0.030
- Rufous #AE2012 ΔE 0.037
- Dull Red #BB3F3F ΔE 0.038
- Rouge #AB1239 ΔE 0.038
- Rusty Red #AF2F0D ΔE 0.039
- Lipstick Red #C0022F ΔE 0.040
- Rose Red #BE013C ΔE 0.042
Use #B02F39 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.