#C03157
Closest named color: Ruby (#CA0147). oklch(54.3% 0.18 10.2), rgb(192, 49, 87).
Aa
White text reads best on this color (5.49:1).
About this color
#C03157 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.180 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.037 away. White text reads best on it, at 5.49:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.81:1 |
| White text | 5.49:1 |
Values
| HEX | #C03157 |
| RGB | rgb(192, 49, 87) |
| HSL | hsl(344, 59%, 47%) |
| OKLCH | oklch(54.3% 0.18 10.2) |
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 #C03157 | 5.49:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #C03157 | 3.81:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #C03157 text on white | 5.49:1 | AA | Lc 76.2 | Fine for body text |
| #C03157 text on black | 3.81:1 | AA large text | Lc -25.6 | 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
#FDF3F4
oklch(97.2% 0.011 10.3)
-
Step 100
100
#F9E4E6
oklch(93.6% 0.023 11)
-
Step 200
200
#F5CED2
oklch(88.6% 0.044 11)
-
Step 300
300
#EFABB4
oklch(80.8% 0.081 10.3)
-
Step 400
400
#E47C8E
oklch(70.6% 0.129 9.9)
-
Step 500
500
#D95672
oklch(63% 0.165 10.1)
-
Step 600
600 (this color)
#C03157
oklch(54.3% 0.18 10.2)
-
Step 700
700
#A9264A
oklch(49% 0.167 10.3)
-
Step 800
800
#89223D
oklch(42.6% 0.138 10)
-
Step 900
900
#6F2334
oklch(37.8% 0.108 10.5)
-
Step 950
950
#41161F
oklch(27% 0.067 9.8)
#C03157 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) | #565658 | 0.200 |
| Deuteranopia (no green cones) | #7B7353 | 0.182 |
| Tritanopia (no blue cones) | #D20441 | 0.045 |
| Achromatopsia (no color) | #696969 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C03157
#C03157
oklch(54.3% 0.18 10.2)
- #00817C
#00817C
oklch(54.4% 0.094 190)
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 #C03157, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.037
- Dark Rose #B5485D ΔE 0.039
- Dark Pink #CB416B ΔE 0.041
- Deep Rose #C74767 ΔE 0.042
- Lipstick #D5174E ΔE 0.042
- Dusty Red #B9484E ΔE 0.045
- Dull Red #BB3F3F ΔE 0.046
- Rose Red #BE013C ΔE 0.046
Use #C03157 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.