#B73C26
Closest named color: Sinopia (#BB3E03). oklch(53.1% 0.163 32.4), rgb(183, 60, 38).
Aa
White text reads best on this color (5.69:1).
About this color
#B73C26 is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.163 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.022 away. White text reads best on it, at 5.69:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #B73C26 |
| RGB | rgb(183, 60, 38) |
| HSL | hsl(9, 66%, 43%) |
| OKLCH | oklch(53.1% 0.163 32.4) |
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 #B73C26 | 5.69:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #B73C26 | 3.68:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #B73C26 text on white | 5.69:1 | AA | Lc 77.4 | Fine for body text |
| #B73C26 text on black | 3.68:1 | AA large text | Lc -24.3 | 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 600.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C8
oklch(88.5% 0.041 33)
-
Step 300
300
#ECB0A3
oklch(80.9% 0.073 32.5)
-
Step 400
400
#E08471
oklch(70.7% 0.117 32.6)
-
Step 500
500
#D4614C
oklch(63% 0.15 32.1)
-
Step 600
600 (this color)
#B73C26
oklch(53.1% 0.163 32.4)
-
Step 700
700
#A53521
oklch(49.1% 0.151 32.4)
-
Step 800
800
#862D1D
oklch(42.7% 0.125 32.4)
-
Step 900
900
#6C2A1D
oklch(37.8% 0.097 32.9)
-
Step 950
950
#401912
oklch(27% 0.063 31.8)
#B73C26 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) | #605522 | 0.169 |
| Deuteranopia (no green cones) | #7E7121 | 0.155 |
| Tritanopia (no blue cones) | #CA1638 | 0.059 |
| Achromatopsia (no color) | #676767 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B73C26
#B73C26
oklch(53.1% 0.163 32.4)
- #007A8B
#007A8B
oklch(53.2% 0.092 211.6)
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 #B73C26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.022
- Dull Red #BB3F3F ΔE 0.027
- Rusty Red #AF2F0D ΔE 0.031
- Firebrick #B22222 ΔE 0.041
- Brick Orange #C14A09 ΔE 0.042
- Dusty Red #B9484E ΔE 0.044
- Rufous #AE2012 ΔE 0.048
- Rust Red #AA2704 ΔE 0.048
Use #B73C26 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.