#C6102B
Closest named color: Lipstick Red (#C0022F). oklch(52.6% 0.206 23), rgb(198, 16, 43).
Aa
White text reads best on this color (5.98:1).
About this color
#C6102B is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.206 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Lipstick Red (#C0022F), ΔE 0.017 away. White text reads best on it, at 5.98:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.206) |
| Temperature | warm |
| Nearest name | Lipstick Red (#C0022F) |
| Black text | 3.51:1 |
| White text | 5.98:1 |
Values
| HEX | #C6102B |
| RGB | rgb(198, 16, 43) |
| HSL | hsl(351, 85%, 42%) |
| OKLCH | oklch(52.6% 0.206 23) |
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 #C6102B | 5.98:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #C6102B | 3.51:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #C6102B text on white | 5.98:1 | AA | Lc 77.6 | Fine for body text |
| #C6102B text on black | 3.51:1 | AA large text | Lc -24.2 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FACDC9
oklch(88.6% 0.051 24.1)
-
Step 300
300
#F7A9A5
oklch(80.9% 0.093 22.6)
-
Step 400
400
#EF7774
oklch(70.7% 0.149 23)
-
Step 500
500
#E54C50
oklch(63% 0.189 23)
-
Step 600
600 (this color)
#C6102B
oklch(52.6% 0.206 23)
-
Step 700
700
#B40F27
oklch(49.1% 0.191 22.9)
-
Step 800
800
#921421
oklch(42.6% 0.159 23)
-
Step 900
900
#751C20
oklch(37.6% 0.123 23.1)
-
Step 950
950
#451213
oklch(26.9% 0.078 23)
#C6102B 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) | #534B2A | 0.228 |
| Deuteranopia (no green cones) | #7D7023 | 0.207 |
| Tritanopia (no blue cones) | #DA001F | 0.041 |
| Achromatopsia (no color) | #636363 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6102B
#C6102B
oklch(52.6% 0.206 23)
- #007982
#007982
oklch(52.5% 0.09 203.9)
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 #C6102B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lipstick Red #C0022F ΔE 0.017
- Cherry #CF0234 ΔE 0.021
- Scarlet #BE0119 ΔE 0.024
- Rose Red #BE013C ΔE 0.031
- Ruby #CA0147 ΔE 0.036
- Firebrick #B22222 ΔE 0.041
- Crimson #DC143C ΔE 0.049
- Dull Red #BB3F3F ΔE 0.050
Use #C6102B 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.