#3678A3#3678A3

#3678A3 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.9% C 0.095 H 240.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3678A3
RGB	rgb(54, 120, 163)
HSL	hsl(204, 50%, 43%)
HSV	hsv(204, 67%, 64%)
CMYK	cmyk(66.9%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(48.08, -6.95, -29.22)
CIE-LCH	lch(48.08, 30.04, 256.63°)
OKLab	oklab(54.91% -0.0471 -0.0822)
OKLCH	oklch(54.91% 0.095 240.2)
XYZ	xyz(14.8461, 16.8600, 37.1151)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678A3 #A36136

analogous

#36A398 #3678A3 #3641A3

triadic

#3678A3 #A33678 #78A336

tetradic

#3678A3 #9836A3 #A36136 #41A336

square

#3678A3 #9836A3 #A36136 #41A336

split-complementary

#3678A3 #A33641 #A39836

monochromatic

#183447 #275675 #3678A3 #5197C5 #7FB3D5

Accessibility & contrast

On white

4.80

#3678A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3678A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3678A3

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678A3	#FFFFFF	#000000	##FFFFFF
##3678A3	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6478A5

Deuteranopia (green-blind)

#556DA2

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3678a3;
/* rgb */ color: rgb(54, 120, 163);
/* oklch */ color: oklch(54.9% 0.095 240.2);

Tailwind

colors: {
  custom: {
    50: '#799ebe',
    500: '#3678a3',
    950: '#000000',
  },
}

SCSS

$custom: #3678a3;
$custom-light: #799ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3678a3",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 203.67,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.54912,
    "c": 0.09476,
    "h": 240.2
  },
  "luminance": 0.16862
}

Semantic roles & 50–950 ramp

primary

#3678A3

secondary

#BE9377

accent

#854EDA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3678A3

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

Preview Lab → · Contrast checker → · Palette generator →