#C73A4E
Closest named color: Dull Red (#BB3F3F). oklch(56.2% 0.177 17.1), rgb(199, 58, 78).
Aa
White text reads best on this color (5.06:1).
About this color
#C73A4E is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.177 and its hue 17°. 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 5.06:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #C73A4E |
| RGB | rgb(199, 58, 78) |
| HSL | hsl(351, 56%, 50%) |
| OKLCH | oklch(56.2% 0.177 17.1) |
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 #C73A4E | 5.06:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #C73A4E | 4.14:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #C73A4E text on white | 5.06:1 | AA | Lc 73.8 | Content text, not long reading |
| #C73A4E text on black | 4.14:1 | AA large text | Lc -27.9 | 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 600.
-
Step 50
50
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECF
oklch(88.5% 0.044 16.3)
-
Step 300
300
#F0ACAE
oklch(80.9% 0.08 17)
-
Step 400
400
#E57E84
oklch(70.8% 0.127 17.1)
-
Step 500
500
#DA5865
oklch(63.1% 0.163 17.1)
-
Step 600
600 (this color)
#C73A4E
oklch(56.2% 0.177 17.1)
-
Step 700
700
#AA293D
oklch(49.2% 0.164 17.4)
-
Step 800
800
#8A2433
oklch(42.7% 0.136 17)
-
Step 900
900
#6F242D
oklch(37.7% 0.106 16.8)
-
Step 950
950
#41161A
oklch(26.9% 0.067 17.2)
#C73A4E 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) | #605C4E | 0.194 |
| Deuteranopia (no green cones) | #83794A | 0.179 |
| Tritanopia (no blue cones) | #DA1242 | 0.045 |
| Achromatopsia (no color) | #6E6E6E | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C73A4E
#C73A4E
oklch(56.2% 0.177 17.1)
- #008688
#008688
oklch(56.2% 0.096 196.6)
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 #C73A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.032
- Dusty Red #B9484E ΔE 0.032
- Deep Rose #C74767 ΔE 0.035
- Faded Red #D3494E ΔE 0.039
- Dark Rose #B5485D ΔE 0.039
- Dark Pink #CB416B ΔE 0.040
- Lipstick #D5174E ΔE 0.040
- Cherry #CF0234 ΔE 0.046
Use #C73A4E 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.