#C12B57
Closest named color: Ruby (#CA0147). oklch(54% 0.186 9.3), rgb(193, 43, 87).
Aa
White text reads best on this color (5.59:1).
About this color
#C12B57 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.186 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Ruby (#CA0147), ΔE 0.031 away. White text reads best on it, at 5.59:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Ruby (#CA0147) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #C12B57 |
| RGB | rgb(193, 43, 87) |
| HSL | hsl(342, 64%, 46%) |
| OKLCH | oklch(54% 0.186 9.3) |
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 #C12B57 | 5.59:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #C12B57 | 3.75:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #C12B57 text on white | 5.59:1 | AA | Lc 76.5 | Fine for body text |
| #C12B57 text on black | 3.75:1 | AA large text | Lc -25.2 | 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
#FDF3F4
oklch(97.2% 0.011 10.3)
-
Step 100
100
#F9E4E6
oklch(93.6% 0.023 11)
-
Step 200
200
#F6CDD2
oklch(88.5% 0.047 9.8)
-
Step 300
300
#F1AAB5
oklch(80.8% 0.085 8.9)
-
Step 400
400
#E67B8E
oklch(70.7% 0.133 9.8)
-
Step 500
500
#DB5373
oklch(63% 0.171 9.1)
-
Step 600
600 (this color)
#C12B57
oklch(54% 0.186 9.3)
-
Step 700
700
#AB214B
oklch(49% 0.173 9.3)
-
Step 800
800
#8B1F3E
oklch(42.7% 0.144 9.1)
-
Step 900
900
#702135
oklch(37.7% 0.112 9.1)
-
Step 950
950
#42151F
oklch(27.1% 0.07 9.4)
#C12B57 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) | #535458 | 0.209 |
| Deuteranopia (no green cones) | #7A7353 | 0.191 |
| Tritanopia (no blue cones) | #D3003E | 0.046 |
| Achromatopsia (no color) | #686868 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C12B57
#C12B57
oklch(54% 0.186 9.3)
- #00807A
#00807A
oklch(54.1% 0.094 189)
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 #C12B57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ruby #CA0147 ΔE 0.031
- Lipstick #D5174E ΔE 0.040
- Rose Red #BE013C ΔE 0.042
- Dark Pink #CB416B ΔE 0.045
- Dark Rose #B5485D ΔE 0.046
- Deep Rose #C74767 ΔE 0.047
- Cherry #CF0234 ΔE 0.049
- Lipstick Red #C0022F ΔE 0.051
Use #C12B57 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.