#37709F#37709F

#37709F is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.8% C 0.096 H 245.9°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#37709F
RGB	rgb(55, 112, 159)
HSL	hsl(207, 49%, 42%)
HSV	hsv(207, 65%, 62%)
CMYK	cmyk(65.4%, 29.6%, 0%, 37.6%)
CIE-LAB	lab(45.50, -3.41, -30.91)
CIE-LCH	lch(45.50, 31.09, 263.71°)
OKLab	oklab(52.82% -0.039 -0.0872)
OKLCH	oklch(52.82% 0.096 245.9)
XYZ	xyz(13.6254, 14.9024, 34.9526)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37709F #9F6637

analogous

#379F9A #37709F #373C9F

triadic

#37709F #9F3770 #709F37

tetradic

#37709F #9A379F #9F6637 #3C9F37

square

#37709F #9A379F #9F6637 #3C9F37

split-complementary

#37709F #9F373C #9F9A37

monochromatic

#183044 #275072 #37709F #518FC3 #7EACD2

Accessibility & contrast

On white

5.28

#37709F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#37709F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37709F

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37709F	#FFFFFF	#000000	##FFFFFF
##37709F	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B71A1

Deuteranopia (green-blind)

#4D679E

Tritanopia (blue-blind)

#007B80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #37709f;
/* rgb */ color: rgb(55, 112, 159);
/* oklch */ color: oklch(52.8% 0.096 245.9);

Tailwind

colors: {
  custom: {
    50: '#7998bb',
    500: '#37709f',
    950: '#000000',
  },
}

SCSS

$custom: #37709f;
$custom-light: #7998bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37709f",
  "rgb": {
    "r": 55,
    "g": 112,
    "b": 159
  },
  "hsl": {
    "h": 207.115,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5282,
    "c": 0.09552,
    "h": 245.9
  },
  "luminance": 0.14904
}

Semantic roles & 50–950 ramp

primary

#37709F

secondary

#BC9676

accent

#8D50D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #37709F

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

Preview Lab → · Contrast checker → · Palette generator →