#37699F#37699F

#37699F is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 51.2% C 0.102 H 252.0°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#37699F
RGB	rgb(55, 105, 159)
HSL	hsl(211, 49%, 42%)
HSV	hsv(211, 65%, 62%)
CMYK	cmyk(65.4%, 34%, 0%, 37.6%)
CIE-LAB	lab(43.39, 0.87, -34.23)
CIE-LCH	lch(43.39, 34.24, 271.45°)
OKLab	oklab(51.16% -0.0314 -0.0969)
OKLCH	oklch(51.16% 0.102 252)
XYZ	xyz(12.8828, 13.4173, 34.7050)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37699F #9F6D37

analogous

#379D9F #37699F #39379F

triadic

#37699F #9F3769 #699F37

tetradic

#37699F #9F379D #9F6D37 #379F39

square

#37699F #9F379D #9F6D37 #379F39

split-complementary

#37699F #9F3937 #9D9F37

monochromatic

#182D44 #274B72 #37699F #5187C3 #7EA7D2

Accessibility & contrast

On white

5.70

#37699F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#37699F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37699F

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37699F	#FFFFFF	#000000	##FFFFFF
##37699F	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526CA1

Deuteranopia (green-blind)

#43629E

Tritanopia (blue-blind)

#00767C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #37699f;
/* rgb */ color: rgb(55, 105, 159);
/* oklch */ color: oklch(51.2% 0.102 252.0);

Tailwind

colors: {
  custom: {
    50: '#7893bb',
    500: '#37699f',
    950: '#000000',
  },
}

SCSS

$custom: #37699f;
$custom-light: #7893bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37699f",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 159
  },
  "hsl": {
    "h": 211.154,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51157,
    "c": 0.10189,
    "h": 252
  },
  "luminance": 0.13419
}

Semantic roles & 50–950 ramp

primary

#37699F

secondary

#BC9A76

accent

#9750D8

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #37699F

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

Preview Lab → · Contrast checker → · Palette generator →