#C7103F
Closest named color: Ruby (#CA0147). oklch(53.1% 0.206 16.8), rgb(199, 16, 63).
Aa
White text reads best on this color (5.87:1).
About this color
#C7103F is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.206 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.014 away. White text reads best on it, at 5.87:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #C7103F |
| RGB | rgb(199, 16, 63) |
| HSL | hsl(345, 85%, 42%) |
| OKLCH | oklch(53.1% 0.206 16.8) |
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 #C7103F | 5.87:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #C7103F | 3.57:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #C7103F text on white | 5.87:1 | AA | Lc 77.1 | Fine for body text |
| #C7103F text on black | 3.57:1 | AA large text | Lc -24.6 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#FACCCD
oklch(88.5% 0.052 16.7)
-
Step 300
300
#F7A8AB
oklch(80.9% 0.094 16.8)
-
Step 400
400
#EE767F
oklch(70.7% 0.148 17)
-
Step 500
500
#E54A5F
oklch(63.1% 0.19 16.8)
-
Step 600
600 (this color)
#C7103F
oklch(53.1% 0.206 16.8)
-
Step 700
700
#B40B38
oklch(49.2% 0.192 16.7)
-
Step 800
800
#92132E
oklch(42.8% 0.159 17)
-
Step 900
900
#751B29
oklch(37.7% 0.123 17)
-
Step 950
950
#451218
oklch(27% 0.078 17.3)
#C7103F 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) | #514D3F | 0.231 |
| Deuteranopia (no green cones) | #7C713A | 0.209 |
| Tritanopia (no blue cones) | #DB0028 | 0.047 |
| Achromatopsia (no color) | #646464 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C7103F
#C7103F
oklch(53.1% 0.206 16.8)
- #007C7E
#007C7E
oklch(53.2% 0.091 196.8)
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 #C7103F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.014
- Cherry #CF0234 ΔE 0.020
- Rose Red #BE013C ΔE 0.022
- Lipstick Red #C0022F ΔE 0.024
- Lipstick #D5174E ΔE 0.035
- Scarlet #BE0119 ΔE 0.042
- Crimson #DC143C ΔE 0.045
- Dull Red #BB3F3F ΔE 0.053
Use #C7103F 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.