#B73C44
Closest named color: Dull Red (#BB3F3F). oklch(53.5% 0.158 20.7), rgb(183, 60, 68).
Aa
White text reads best on this color (5.61:1).
About this color
#B73C44 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.158 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.013 away. White text reads best on it, at 5.61:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.74:1 |
| White text | 5.61:1 |
Values
| HEX | #B73C44 |
| RGB | rgb(183, 60, 68) |
| HSL | hsl(356, 51%, 48%) |
| OKLCH | oklch(53.5% 0.158 20.7) |
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 #B73C44 | 5.61:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #B73C44 | 3.74:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #B73C44 text on white | 5.61:1 | AA | Lc 77.1 | Fine for body text |
| #B73C44 text on black | 3.74:1 | AA large text | Lc -24.7 | 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 600.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E4
oklch(93.7% 0.021 21.2)
-
Step 200
200
#F2CFCE
oklch(88.4% 0.039 19.9)
-
Step 300
300
#EBAFAD
oklch(80.9% 0.071 20.9)
-
Step 400
400
#DF8282
oklch(70.7% 0.115 20.4)
-
Step 500
500
#D36063
oklch(63.1% 0.146 20.6)
-
Step 600
600 (this color)
#B73C44
oklch(53.5% 0.158 20.7)
-
Step 700
700
#A4333B
oklch(49.1% 0.148 20.6)
-
Step 800
800
#852C31
oklch(42.7% 0.122 20.7)
-
Step 900
900
#6B292B
oklch(37.7% 0.095 21)
-
Step 950
950
#3F191A
oklch(27.1% 0.06 20.3)
#B73C44 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) | #5C5743 | 0.173 |
| Deuteranopia (no green cones) | #7B7141 | 0.158 |
| Tritanopia (no blue cones) | #C81F40 | 0.042 |
| Achromatopsia (no color) | #686868 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B73C44
#B73C44
oklch(53.5% 0.158 20.7)
- #007D83
#007D83
oklch(53.6% 0.091 200.7)
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 #B73C44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.013
- Dusty Red #B9484E ΔE 0.023
- Dark Rose #B5485D ΔE 0.034
- Light Burgundy #A8415B ΔE 0.042
- Light Maroon #A24857 ΔE 0.046
- Firebrick #B22222 ΔE 0.047
- Lipstick Red #C0022F ΔE 0.052
- Rusty Red #AF2F0D ΔE 0.053
Use #B73C44 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.