#37759B#37759B

#37759B is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.8% C 0.087 H 238.3°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#37759B
RGB	rgb(55, 117, 155)
HSL	hsl(203, 48%, 41%)
HSV	hsv(203, 65%, 61%)
CMYK	cmyk(64.5%, 24.5%, 0%, 39.2%)
CIE-LAB	lab(46.84, -7.76, -26.46)
CIE-LCH	lch(46.84, 27.57, 253.66°)
OKLab	oklab(53.82% -0.0459 -0.0743)
OKLCH	oklch(53.82% 0.087 238.3)
XYZ	xyz(13.8510, 15.9000, 33.3430)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37759B #9B5D37

analogous

#379B8F #37759B #37439B

triadic

#37759B #9B3775 #759B37

tetradic

#37759B #8F379B #9B5D37 #439B37

square

#37759B #8F379B #9B5D37 #439B37

split-complementary

#37759B #9B3743 #9B8F37

monochromatic

#173141 #27536E #37759B #4F95C0 #7CB0D0

Accessibility & contrast

On white

5.02

#37759B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#37759B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37759B

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37759B	#FFFFFF	#000000	##FFFFFF
##37759B	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63759D

Deuteranopia (green-blind)

#566B9A

Tritanopia (blue-blind)

#007F82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #37759b;
/* rgb */ color: rgb(55, 117, 155);
/* oklch */ color: oklch(53.8% 0.087 238.3);

Tailwind

colors: {
  custom: {
    50: '#789cb8',
    500: '#37759b',
    950: '#000000',
  },
}

SCSS

$custom: #37759b;
$custom-light: #789cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#37759b",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 155
  },
  "hsl": {
    "h": 202.8,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.53821,
    "c": 0.08731,
    "h": 238.3
  },
  "luminance": 0.15901
}

Semantic roles & 50–950 ramp

primary

#37759B

secondary

#BA8F74

accent

#8451D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #37759B

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

Preview Lab → · Contrast checker → · Palette generator →