#C0103F
Closest named color: Rose Red (#BE013C). oklch(51.8% 0.2 15.9), rgb(192, 16, 63).
Aa
White text reads best on this color (6.19:1).
About this color
#C0103F is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.200 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Rose Red (#BE013C), ΔE 0.009 away. White text reads best on it, at 6.19:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.200) |
| Temperature | warm |
| Nearest name | Rose Red (#BE013C) |
| Black text | 3.38:1 |
| White text | 6.19:1 |
Values
| HEX | #C0103F |
| RGB | rgb(192, 16, 63) |
| HSL | hsl(344, 85%, 41%) |
| OKLCH | oklch(51.8% 0.2 15.9) |
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 #C0103F | 6.19:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #C0103F | 3.38:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #C0103F text on white | 6.19:1 | AA | Lc 78.7 | Fine for body text |
| #C0103F text on black | 3.38:1 | AA large text | Lc -23.1 | 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 700.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E3
oklch(93.6% 0.028 17.7)
-
Step 200
200
#FBCBCD
oklch(88.4% 0.055 15.4)
-
Step 300
300
#F9A7AB
oklch(80.9% 0.097 16.2)
-
Step 400
400
#F1737F
oklch(70.7% 0.155 16)
-
Step 500
500
#E8455F
oklch(63.1% 0.198 16)
-
Step 600
600
#D31246
oklch(55.5% 0.215 15.9)
-
Step 700
700 (this color)
#C0103F
oklch(51.8% 0.2 15.9)
-
Step 800
800
#94082E
oklch(42.7% 0.166 16)
-
Step 900
900
#771729
oklch(37.7% 0.129 16.1)
-
Step 950
950
#461018
oklch(26.9% 0.082 16.2)
#C0103F 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) | #4E4A3F | 0.224 |
| Deuteranopia (no green cones) | #786D3A | 0.203 |
| Tritanopia (no blue cones) | #D30028 | 0.046 |
| Achromatopsia (no color) | #616161 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C0103F
#C0103F
oklch(51.8% 0.2 15.9)
- #007879
#007879
oklch(51.9% 0.088 195.8)
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 #C0103F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rose Red #BE013C ΔE 0.009
- Lipstick Red #C0022F ΔE 0.018
- Ruby #CA0147 ΔE 0.023
- Cherry #CF0234 ΔE 0.033
- Scarlet #BE0119 ΔE 0.038
- Raspberry #B00149 ΔE 0.042
- Rouge #AB1239 ΔE 0.044
- Firebrick #B22222 ΔE 0.047
Use #C0103F 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.