#37749B#37749B

#37749B is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.6% C 0.088 H 239.4°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#37749B
RGB	rgb(55, 116, 155)
HSL	hsl(203, 48%, 41%)
HSV	hsv(203, 65%, 61%)
CMYK	cmyk(64.5%, 25.2%, 0%, 39.2%)
CIE-LAB	lab(46.54, -7.17, -26.93)
CIE-LCH	lch(46.54, 27.87, 255.09°)
OKLab	oklab(53.58% -0.0448 -0.0756)
OKLCH	oklch(53.58% 0.088 239.4)
XYZ	xyz(13.7351, 15.6682, 33.3044)
Luminance	0.1567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37749B #9B5E37

analogous

#379B90 #37749B #37429B

triadic

#37749B #9B3774 #749B37

tetradic

#37749B #90379B #9B5E37 #429B37

square

#37749B #90379B #9B5E37 #429B37

split-complementary

#37749B #9B3742 #9B9037

monochromatic

#173041 #27526E #37749B #4F94C0 #7CB0D0

Accessibility & contrast

On white

5.08

#37749B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#37749B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37749B

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37749B	#FFFFFF	#000000	##FFFFFF
##37749B	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62749D

Deuteranopia (green-blind)

#546A9A

Tritanopia (blue-blind)

#007E81

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #37749b;
/* rgb */ color: rgb(55, 116, 155);
/* oklch */ color: oklch(53.6% 0.088 239.4);

Tailwind

colors: {
  custom: {
    50: '#789bb8',
    500: '#37749b',
    950: '#000000',
  },
}

SCSS

$custom: #37749b;
$custom-light: #789bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#37749b",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 155
  },
  "hsl": {
    "h": 203.4,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.53578,
    "c": 0.08792,
    "h": 239.4
  },
  "luminance": 0.1567
}

Semantic roles & 50–950 ramp

primary

#37749B

secondary

#BA8F74

accent

#8551D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #37749B

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

Preview Lab → · Contrast checker → · Palette generator →