#3678C5#3678C5

#3678C5 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.8% C 0.137 H 254.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3678C5
RGB	rgb(54, 120, 197)
HSL	hsl(212, 57%, 49%)
HSV	hsv(212, 73%, 77%)
CMYK	cmyk(72.6%, 39.1%, 0%, 22.7%)
CIE-LAB	lab(49.79, 5.19, -46.20)
CIE-LCH	lch(49.79, 46.49, 276.41°)
OKLab	oklab(56.82% -0.0373 -0.1317)
OKLCH	oklch(56.82% 0.137 254.2)
XYZ	xyz(18.3121, 18.2464, 55.3693)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678C5 #C58336

analogous

#36C0C5 #3678C5 #3C36C5

triadic

#3678C5 #C53678 #78C536

tetradic

#3678C5 #C536C0 #C58336 #36C53C

square

#3678C5 #C536C0 #C58336 #36C53C

split-complementary

#3678C5 #C53C36 #C0C536

monochromatic

#1C3D65 #295B95 #3678C5 #6498D4 #94B8E2

Accessibility & contrast

On white

4.52

#3678C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3678C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3678C5

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678C5	#FFFFFF	#000000	##000000
##3678C5	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547EC8

Deuteranopia (green-blind)

#3E70C3

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3678c5;
/* rgb */ color: rgb(54, 120, 197);
/* oklch */ color: oklch(56.8% 0.137 254.2);

Tailwind

colors: {
  custom: {
    50: '#7f9ed7',
    500: '#3678c5',
    950: '#000000',
  },
}

SCSS

$custom: #3678c5;
$custom-light: #7f9ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#3678c5",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 197
  },
  "hsl": {
    "h": 212.308,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56816,
    "c": 0.13691,
    "h": 254.2
  },
  "luminance": 0.18248
}

Semantic roles & 50–950 ramp

primary

#3678C5

secondary

#CDAE8A

accent

#9A48E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3678C5

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

Preview Lab → · Contrast checker → · Palette generator →