#37657E#37657E

#37657E is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.5% C 0.065 H 234.0°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#37657E
RGB	rgb(55, 101, 126)
HSL	hsl(201, 39%, 35%)
HSV	hsv(201, 56%, 49%)
CMYK	cmyk(56.3%, 19.8%, 0%, 50.6%)
CIE-LAB	lab(40.61, -8.03, -18.77)
CIE-LCH	lch(40.61, 20.41, 246.83°)
OKLab	oklab(48.46% -0.0379 -0.0523)
OKLCH	oklch(48.46% 0.065 234)
XYZ	xyz(9.9937, 11.6251, 21.4518)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37657E #7E5037

analogous

#377E73 #37657E #37417E

triadic

#37657E #7E3765 #657E37

tetradic

#37657E #73377E #7E5037 #417E37

square

#37657E #73377E #7E5037 #417E37

split-complementary

#37657E #7E3741 #7E7337

monochromatic

#122129 #244353 #37657E #4A87A9 #6FA4C0

Accessibility & contrast

On white

6.32

#37657E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#37657E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37657E

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37657E	#FFFFFF	#000000	##FFFFFF
##37657E	1.00	6.32	3.33	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59647F

Deuteranopia (green-blind)

#4F5C7E

Tritanopia (blue-blind)

#026C6D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #37657e;
/* rgb */ color: rgb(55, 101, 126);
/* oklch */ color: oklch(48.5% 0.065 234.0);

Tailwind

colors: {
  custom: {
    50: '#7490a3',
    500: '#37657e',
    950: '#000000',
  },
}

SCSS

$custom: #37657e;
$custom-light: #7490a3;
$custom-dark: #000000;

JSON

{
  "hex": "#37657e",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 126
  },
  "hsl": {
    "h": 201.127,
    "s": 39.227,
    "l": 35.49
  },
  "oklch": {
    "l": 0.48464,
    "c": 0.06459,
    "h": 234
  },
  "luminance": 0.11626
}

Semantic roles & 50–950 ramp

primary

#37657E

secondary

#A97F68

accent

#8259CF

background

#F7F8FA

surface

#EDF0F3

border

#C8CBCD

text

#080C0F

muted

#7B7D7F

Preview Lab

Preview with #37657E

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

Preview Lab → · Contrast checker → · Palette generator →