#B73046
Closest named color: Dull Red (#BB3F3F). oklch(52.3% 0.171 16.5), rgb(183, 48, 70).
Aa
White text reads best on this color (5.95:1).
About this color
#B73046 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.171 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.032 away. White text reads best on it, at 5.95:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #B73046 |
| RGB | rgb(183, 48, 70) |
| HSL | hsl(350, 58%, 45%) |
| OKLCH | oklch(52.3% 0.171 16.5) |
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 #B73046 | 5.95:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #B73046 | 3.52:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #B73046 text on white | 5.95:1 | AA | Lc 78.5 | Fine for body text |
| #B73046 text on black | 3.52:1 | AA large text | Lc -23.2 | 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
#F6CECF
oklch(88.6% 0.045 16.3)
-
Step 300
300
#F1ABAE
oklch(80.8% 0.083 16.2)
-
Step 400
400
#E77C84
oklch(70.8% 0.132 16.3)
-
Step 500
500
#DC5565
oklch(63.1% 0.169 16.3)
-
Step 600
600
#C7344C
oklch(55.6% 0.183 16.6)
-
Step 700
700 (this color)
#B73046
oklch(52.3% 0.171 16.5)
-
Step 800
800
#8C2133
oklch(42.8% 0.142 16.4)
-
Step 900
900
#70222C
oklch(37.6% 0.11 16.8)
-
Step 950
950
#42151A
oklch(26.9% 0.07 16.4)
#B73046 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) | #555246 | 0.188 |
| Deuteranopia (no green cones) | #776E42 | 0.174 |
| Tritanopia (no blue cones) | #C90039 | 0.043 |
| Achromatopsia (no color) | #646464 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B73046
#B73046
oklch(52.3% 0.171 16.5)
- #00797B
#00797B
oklch(52.2% 0.089 196.8)
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 #B73046, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.032
- Rose Red #BE013C ΔE 0.036
- Lipstick Red #C0022F ΔE 0.038
- Light Burgundy #A8415B ΔE 0.041
- Dusty Red #B9484E ΔE 0.041
- Firebrick #B22222 ΔE 0.042
- Dark Rose #B5485D ΔE 0.043
- Ruby #CA0147 ΔE 0.045
Use #B73046 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.