#37758F#37758F

#37758F is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.2% C 0.075 H 228.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#37758F
RGB	rgb(55, 117, 143)
HSL	hsl(198, 44%, 39%)
HSV	hsv(198, 62%, 56%)
CMYK	cmyk(61.5%, 18.2%, 0%, 43.9%)
CIE-LAB	lab(46.33, -11.78, -20.16)
CIE-LCH	lch(46.33, 23.35, 239.71°)
OKLab	oklab(53.25% -0.0504 -0.0562)
OKLCH	oklch(53.25% 0.075 228.1)
XYZ	xyz(12.8928, 15.5167, 28.2968)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37758F #8F5137

analogous

#378F7D #37758F #37498F

triadic

#37758F #8F3775 #758F37

tetradic

#37758F #7D378F #8F5137 #498F37

square

#37758F #7D378F #8F5137 #498F37

split-complementary

#37758F #8F3749 #8F7D37

monochromatic

#152D37 #265163 #37758F #4A98B9 #76B1CA

Accessibility & contrast

On white

5.12

#37758F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#37758F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37758F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37758F	#FFFFFF	#000000	##FFFFFF
##37758F	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677390

Deuteranopia (green-blind)

#5B6A8F

Tritanopia (blue-blind)

#007C7D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #37758f;
/* rgb */ color: rgb(55, 117, 143);
/* oklch */ color: oklch(53.2% 0.075 228.1);

Tailwind

colors: {
  custom: {
    50: '#779caf',
    500: '#37758f',
    950: '#000000',
  },
}

SCSS

$custom: #37758f;
$custom-light: #779caf;
$custom-dark: #000000;

JSON

{
  "hex": "#37758f",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 143
  },
  "hsl": {
    "h": 197.727,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.53248,
    "c": 0.07549,
    "h": 228.1
  },
  "luminance": 0.15518
}

Semantic roles & 50–950 ramp

primary

#37758F

secondary

#B3836F

accent

#7A54D4

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37758F

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

Preview Lab → · Contrast checker → · Palette generator →