#37758E#37758E

#37758E is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.2% C 0.075 H 227.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#37758E
RGB	rgb(55, 117, 142)
HSL	hsl(197, 44%, 39%)
HSV	hsv(197, 61%, 56%)
CMYK	cmyk(61.3%, 17.6%, 0%, 44.3%)
CIE-LAB	lab(46.29, -12.10, -19.63)
CIE-LCH	lch(46.29, 23.06, 238.34°)
OKLab	oklab(53.2% -0.0508 -0.0547)
OKLCH	oklch(53.2% 0.075 227.1)
XYZ	xyz(12.8174, 15.4866, 27.8997)
Luminance	0.1549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37758E #8E5037

analogous

#378E7B #37758E #37498E

triadic

#37758E #8E3775 #758E37

tetradic

#37758E #7B378E #8E5037 #498E37

square

#37758E #7B378E #8E5037 #498E37

split-complementary

#37758E #8E3749 #8E7B37

monochromatic

#152C36 #265162 #37758E #4999B9 #76B2CA

Accessibility & contrast

On white

5.12

#37758E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#37758E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37758E

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37758E	#FFFFFF	#000000	##FFFFFF
##37758E	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)

#68738F

Deuteranopia (green-blind)

#5B6A8E

Tritanopia (blue-blind)

#007C7D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #37758e;
/* rgb */ color: rgb(55, 117, 142);
/* oklch */ color: oklch(53.2% 0.075 227.1);

Tailwind

colors: {
  custom: {
    50: '#769caf',
    500: '#37758e',
    950: '#000000',
  },
}

SCSS

$custom: #37758e;
$custom-light: #769caf;
$custom-dark: #000000;

JSON

{
  "hex": "#37758e",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 142
  },
  "hsl": {
    "h": 197.241,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.53203,
    "c": 0.07464,
    "h": 227.1
  },
  "luminance": 0.15488
}

Semantic roles & 50–950 ramp

primary

#37758E

secondary

#B3826E

accent

#7954D4

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37758E

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

Preview Lab → · Contrast checker → · Palette generator →