#3C78BD#3C78BD

#3C78BD is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.124 H 253.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3C78BD
RGB	rgb(60, 120, 189)
HSL	hsl(212, 52%, 49%)
HSV	hsv(212, 68%, 74%)
CMYK	cmyk(68.3%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(49.58, 3.21, -41.94)
CIE-LCH	lch(49.58, 42.06, 274.37°)
OKLab	oklab(56.57% -0.0351 -0.1192)
OKLCH	oklch(56.57% 0.124 253.6)
XYZ	xyz(17.7619, 18.0659, 50.6852)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C78BD #BD813C

analogous

#3CB9BD #3C78BD #413CBD

triadic

#3C78BD #BD3C78 #78BD3C

tetradic

#3C78BD #BD3CB9 #BD813C #3CBD41

square

#3C78BD #BD3CB9 #BD813C #3CBD41

split-complementary

#3C78BD #BD413C #B9BD3C

monochromatic

#1F3D60 #2D5B8F #3C78BD #6797CF #96B7DE

Accessibility & contrast

On white

4.55

#3C78BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3C78BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C78BD

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C78BD	#FFFFFF	#000000	##000000
##3C78BD	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597DC0

Deuteranopia (green-blind)

#4770BC

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3c78bd;
/* rgb */ color: rgb(60, 120, 189);
/* oklch */ color: oklch(56.6% 0.124 253.6);

Tailwind

colors: {
  custom: {
    50: '#809ed1',
    500: '#3c78bd',
    950: '#000000',
  },
}

SCSS

$custom: #3c78bd;
$custom-light: #809ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c78bd",
  "rgb": {
    "r": 60,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 212.093,
    "s": 51.807,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56566,
    "c": 0.12425,
    "h": 253.6
  },
  "luminance": 0.18068
}

Semantic roles & 50–950 ramp

primary

#3C78BD

secondary

#C9AD8C

accent

#994DDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3C78BD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →