#37678F#37678F

#37678F is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.8% C 0.083 H 245.7°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#37678F
RGB	rgb(55, 103, 143)
HSL	hsl(207, 44%, 39%)
HSV	hsv(207, 62%, 56%)
CMYK	cmyk(61.5%, 28%, 0%, 43.9%)
CIE-LAB	lab(41.99, -3.52, -26.88)
CIE-LCH	lch(41.99, 27.11, 262.55°)
OKLab	oklab(49.8% -0.0342 -0.0756)
OKLCH	oklch(49.8% 0.083 245.7)
XYZ	xyz(11.3819, 12.4948, 27.7932)
Luminance	0.1250 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37678F #8F5F37

analogous

#378F8B #37678F #373B8F

triadic

#37678F #8F3767 #678F37

tetradic

#37678F #8B378F #8F5F37 #3B8F37

square

#37678F #8B378F #8F5F37 #3B8F37

split-complementary

#37678F #8F373B #8F8B37

monochromatic

#152737 #264763 #37678F #4A87B9 #76A4CA

Accessibility & contrast

On white

6.00

#37678F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#37678F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37678F

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37678F	#FFFFFF	#000000	##FFFFFF
##37678F	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566891

Deuteranopia (green-blind)

#4A5F8E

Tritanopia (blue-blind)

#007175

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #37678f;
/* rgb */ color: rgb(55, 103, 143);
/* oklch */ color: oklch(49.8% 0.083 245.7);

Tailwind

colors: {
  custom: {
    50: '#7692b0',
    500: '#37678f',
    950: '#000000',
  },
}

SCSS

$custom: #37678f;
$custom-light: #7692b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37678f",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 143
  },
  "hsl": {
    "h": 207.273,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49804,
    "c": 0.08296,
    "h": 245.7
  },
  "luminance": 0.12496
}

Semantic roles & 50–950 ramp

primary

#37678F

secondary

#B38E6F

accent

#8E54D4

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #37678F

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

Preview Lab → · Contrast checker → · Palette generator →