#C50E3F
Closest named color: Ruby (#CA0147). oklch(52.7% 0.205 16.4), rgb(197, 14, 63).
Aa
White text reads best on this color (5.98:1).
About this color
#C50E3F is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.205 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.015 away. White text reads best on it, at 5.98:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #C50E3F |
| RGB | rgb(197, 14, 63) |
| HSL | hsl(344, 87%, 41%) |
| OKLCH | oklch(52.7% 0.205 16.4) |
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 #C50E3F | 5.98:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #C50E3F | 3.50:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #C50E3F text on white | 5.98:1 | AA | Lc 77.6 | Fine for body text |
| #C50E3F text on black | 3.50:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F9CCCD
oklch(88.4% 0.051 16.7)
-
Step 300
300
#F6A8AC
oklch(80.8% 0.092 15.9)
-
Step 400
400
#EE7680
oklch(70.7% 0.148 16.4)
-
Step 500
500
#E44B60
oklch(63.1% 0.188 16.5)
-
Step 600
600 (this color)
#C50E3F
oklch(52.7% 0.205 16.4)
-
Step 700
700
#B30D39
oklch(49.1% 0.191 16.3)
-
Step 800
800
#91132F
oklch(42.6% 0.158 16.4)
-
Step 900
900
#751B2A
oklch(37.7% 0.123 16.3)
-
Step 950
950
#451219
oklch(27% 0.078 16.1)
#C50E3F 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) | #504C3F | 0.229 |
| Deuteranopia (no green cones) | #7B703A | 0.209 |
| Tritanopia (no blue cones) | #D90028 | 0.047 |
| Achromatopsia (no color) | #636363 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C50E3F
#C50E3F
oklch(52.7% 0.205 16.4)
- #007A7C
#007A7C
oklch(52.5% 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 #C50E3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.015
- Rose Red #BE013C ΔE 0.018
- Lipstick Red #C0022F ΔE 0.021
- Cherry #CF0234 ΔE 0.023
- Lipstick #D5174E ΔE 0.039
- Scarlet #BE0119 ΔE 0.041
- Crimson #DC143C ΔE 0.050
- Raspberry #B00149 ΔE 0.051
Use #C50E3F 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.