#C00364
Closest named color: Ruby (#CA0147). oklch(52.4% 0.211 0.4), rgb(192, 3, 100).
Aa
White text reads best on this color (6.10:1).
About this color
#C00364 is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.211 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.050 away. White text reads best on it, at 6.10:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.43:1 |
| White text | 6.10:1 |
Values
| HEX | #C00364 |
| RGB | rgb(192, 3, 100) |
| HSL | hsl(329, 97%, 38%) |
| OKLCH | oklch(52.4% 0.211 0.4) |
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 #C00364 | 6.10:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #C00364 | 3.43:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #C00364 text on white | 6.10:1 | AA | Lc 78.0 | Fine for body text |
| #C00364 text on black | 3.43:1 | AA large text | Lc -23.8 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FBE3E9
oklch(93.7% 0.027 0.7)
-
Step 200
200
#F8CBD7
oklch(88.4% 0.053 0.4)
-
Step 300
300
#F4A7BD
oklch(80.9% 0.094 0.8)
-
Step 400
400
#EB749C
oklch(70.8% 0.152 0.5)
-
Step 500
500
#E04884
oklch(63% 0.194 0.2)
-
Step 600
600 (this color)
#C00364
oklch(52.4% 0.211 0.4)
-
Step 700
700
#B0065B
oklch(49.2% 0.196 0.6)
-
Step 800
800
#8F104B
oklch(42.8% 0.163 0.3)
-
Step 900
900
#73193E
oklch(37.7% 0.127 0.7)
-
Step 950
950
#441124
oklch(27% 0.08 1.2)
#C00364 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) | #424D66 | 0.242 |
| Deuteranopia (no green cones) | #716D60 | 0.213 |
| Tritanopia (no blue cones) | #D1003A | 0.072 |
| Achromatopsia (no color) | #626262 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C00364
#C00364
oklch(52.4% 0.211 0.4)
- #007B6C
#007B6C
oklch(52.2% 0.095 180.4)
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 #C00364, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.050
- Raspberry #B00149 ΔE 0.051
- Medium Violet Red #C71585 ΔE 0.051
- Dark Hot Pink #D90166 ΔE 0.052
- Rose Red #BE013C ΔE 0.058
- Violet Red #A50055 ΔE 0.060
- Lipstick #D5174E ΔE 0.063
- Cerise #DE0C62 ΔE 0.065
Use #C00364 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.