#3678AC#3678AC

#3678AC is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.105 H 245.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3678AC
RGB	rgb(54, 120, 172)
HSL	hsl(206, 52%, 44%)
HSV	hsv(206, 69%, 67%)
CMYK	cmyk(68.6%, 30.2%, 0%, 32.5%)
CIE-LAB	lab(48.50, -3.80, -33.81)
CIE-LCH	lch(48.50, 34.02, 263.59°)
OKLab	oklab(55.38% -0.0441 -0.0955)
OKLCH	oklch(55.38% 0.105 245.2)
XYZ	xyz(15.6814, 17.1941, 41.5141)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678AC #AC6A36

analogous

#36ACA5 #3678AC #363DAC

triadic

#3678AC #AC3678 #78AC36

tetradic

#3678AC #A536AC #AC6A36 #3DAC36

square

#3678AC #A536AC #AC6A36 #3DAC36

split-complementary

#3678AC #AC363D #ACA536

monochromatic

#19374F #27587D #3678AC #5597CA #84B3D8

Accessibility & contrast

On white

4.73

#3678AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3678AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3678AC

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678AC	#FFFFFF	#000000	##FFFFFF
##3678AC	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AE

Deuteranopia (green-blind)

#506EAB

Tritanopia (blue-blind)

#00858A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3678ac;
/* rgb */ color: rgb(54, 120, 172);
/* oklch */ color: oklch(55.4% 0.105 245.2);

Tailwind

colors: {
  custom: {
    50: '#7a9ec5',
    500: '#3678ac',
    950: '#000000',
  },
}

SCSS

$custom: #3678ac;
$custom-light: #7a9ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3678ac",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 172
  },
  "hsl": {
    "h": 206.441,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55383,
    "c": 0.10524,
    "h": 245.2
  },
  "luminance": 0.17196
}

Semantic roles & 50–950 ramp

primary

#3678AC

secondary

#C29B7C

accent

#8B4CDC

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3678AC

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

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