#37709E#37709E

#37709E is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.8% C 0.094 H 245.3°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#37709E
RGB	rgb(55, 112, 158)
HSL	hsl(207, 48%, 42%)
HSV	hsv(207, 65%, 62%)
CMYK	cmyk(65.2%, 29.1%, 0%, 38%)
CIE-LAB	lab(45.45, -3.75, -30.39)
CIE-LCH	lch(45.45, 30.62, 262.96°)
OKLab	oklab(52.77% -0.0394 -0.0857)
OKLCH	oklch(52.77% 0.094 245.3)
XYZ	xyz(13.5390, 14.8678, 34.4974)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37709E #9E6537

analogous

#379E99 #37709E #373D9E

triadic

#37709E #9E3770 #709E37

tetradic

#37709E #99379E #9E6537 #3D9E37

square

#37709E #99379E #9E6537 #3D9E37

split-complementary

#37709E #9E373D #9E9937

monochromatic

#173043 #275071 #37709E #508FC2 #7DACD2

Accessibility & contrast

On white

5.28

#37709E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#37709E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37709E

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37709E	#FFFFFF	#000000	##FFFFFF
##37709E	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C71A0

Deuteranopia (green-blind)

#4E679D

Tritanopia (blue-blind)

#007B80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #37709e;
/* rgb */ color: rgb(55, 112, 158);
/* oklch */ color: oklch(52.8% 0.094 245.3);

Tailwind

colors: {
  custom: {
    50: '#7898bb',
    500: '#37709e',
    950: '#000000',
  },
}

SCSS

$custom: #37709e;
$custom-light: #7898bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37709e",
  "rgb": {
    "r": 55,
    "g": 112,
    "b": 158
  },
  "hsl": {
    "h": 206.796,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52767,
    "c": 0.09429,
    "h": 245.3
  },
  "luminance": 0.14869
}

Semantic roles & 50–950 ramp

primary

#37709E

secondary

#BB9576

accent

#8D50D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #37709E

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

Preview Lab → · Contrast checker → · Palette generator →