#37709D#37709D

#37709D is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.7% C 0.093 H 244.8°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#37709D
RGB	rgb(55, 112, 157)
HSL	hsl(206, 48%, 42%)
HSV	hsv(206, 65%, 62%)
CMYK	cmyk(65%, 28.7%, 0%, 38.4%)
CIE-LAB	lab(45.41, -4.10, -29.88)
CIE-LCH	lch(45.41, 30.16, 262.18°)
OKLab	oklab(52.71% -0.0397 -0.0842)
OKLCH	oklch(52.71% 0.093 244.8)
XYZ	xyz(13.4532, 14.8335, 34.0459)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37709D #9D6437

analogous

#379D97 #37709D #373D9D

triadic

#37709D #9D3770 #709D37

tetradic

#37709D #97379D #9D6437 #3D9D37

square

#37709D #97379D #9D6437 #3D9D37

split-complementary

#37709D #9D373D #9D9737

monochromatic

#172F42 #275070 #37709D #508FC2 #7DACD1

Accessibility & contrast

On white

5.29

#37709D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#37709D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37709D

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37709D	#FFFFFF	#000000	##FFFFFF
##37709D	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C719F

Deuteranopia (green-blind)

#4E679C

Tritanopia (blue-blind)

#007B80

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #37709d;
/* rgb */ color: rgb(55, 112, 157);
/* oklch */ color: oklch(52.7% 0.093 244.8);

Tailwind

colors: {
  custom: {
    50: '#7898ba',
    500: '#37709d',
    950: '#000000',
  },
}

SCSS

$custom: #37709d;
$custom-light: #7898ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37709d",
  "rgb": {
    "r": 55,
    "g": 112,
    "b": 157
  },
  "hsl": {
    "h": 206.471,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52714,
    "c": 0.09308,
    "h": 244.8
  },
  "luminance": 0.14835
}

Semantic roles & 50–950 ramp

primary

#37709D

secondary

#BB9475

accent

#8C50D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #37709D

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

Preview Lab → · Contrast checker → · Palette generator →