#C0273A
Closest named color: Lipstick Red (#C0022F). oklch(52.9% 0.187 20.5), rgb(192, 39, 58).
Aa
White text reads best on this color (5.84:1).
About this color
#C0273A is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.187 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.025 away. White text reads best on it, at 5.84:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.59:1 |
| White text | 5.84:1 |
Values
| HEX | #C0273A |
| RGB | rgb(192, 39, 58) |
| HSL | hsl(353, 66%, 45%) |
| OKLCH | oklch(52.9% 0.187 20.5) |
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 #C0273A | 5.84:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #C0273A | 3.59:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #C0273A text on white | 5.84:1 | AA | Lc 77.6 | Fine for body text |
| #C0273A text on black | 3.59:1 | AA large text | Lc -24.1 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F7CECC
oklch(88.6% 0.047 21.4)
-
Step 300
300
#F2ABAA
oklch(80.8% 0.084 20)
-
Step 400
400
#E87B7C
oklch(70.6% 0.135 20.5)
-
Step 500
500
#DE545B
oklch(63% 0.172 20.6)
-
Step 600
600 (this color)
#C0273A
oklch(52.9% 0.187 20.5)
-
Step 700
700
#AE2233
oklch(49.2% 0.174 20.7)
-
Step 800
800
#8D202B
oklch(42.7% 0.144 20.7)
-
Step 900
900
#712127
oklch(37.6% 0.112 20.2)
-
Step 950
950
#431517
oklch(27% 0.071 20.7)
#C0273A 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) | #565039 | 0.206 |
| Deuteranopia (no green cones) | #7C7035 | 0.188 |
| Tritanopia (no blue cones) | #D30030 | 0.038 |
| Achromatopsia (no color) | #656565 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C0273A
#C0273A
oklch(52.9% 0.187 20.5)
- #007B80
#007B80
oklch(53% 0.09 199.8)
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 #C0273A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.025
- Rose Red #BE013C ΔE 0.030
- Cherry #CF0234 ΔE 0.032
- Dull Red #BB3F3F ΔE 0.033
- Scarlet #BE0119 ΔE 0.035
- Ruby #CA0147 ΔE 0.036
- Firebrick #B22222 ΔE 0.039
- Dusty Red #B9484E ΔE 0.048
Use #C0273A 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.