#37779F#37779F

#37779F is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.5% C 0.090 H 238.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#37779F
RGB	rgb(55, 119, 159)
HSL	hsl(203, 49%, 42%)
HSV	hsv(203, 65%, 62%)
CMYK	cmyk(65.4%, 25.2%, 0%, 37.6%)
CIE-LAB	lab(47.63, -7.56, -27.58)
CIE-LCH	lch(47.63, 28.59, 254.67°)
OKLab	oklab(54.51% -0.0467 -0.0775)
OKLCH	oklch(54.51% 0.09 238.9)
XYZ	xyz(14.4280, 16.5076, 35.2201)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37779F #9F5F37

analogous

#379F93 #37779F #37439F

triadic

#37779F #9F3777 #779F37

tetradic

#37779F #93379F #9F5F37 #439F37

square

#37779F #93379F #9F5F37 #439F37

split-complementary

#37779F #9F3743 #9F9337

monochromatic

#183344 #275572 #37779F #5197C3 #7EB2D2

Accessibility & contrast

On white

4.88

#37779F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#37779F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37779F

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37779F	#FFFFFF	#000000	##FFFFFF
##37779F	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6577A1

Deuteranopia (green-blind)

#566C9E

Tritanopia (blue-blind)

#008185

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #37779f;
/* rgb */ color: rgb(55, 119, 159);
/* oklch */ color: oklch(54.5% 0.090 238.9);

Tailwind

colors: {
  custom: {
    50: '#799ebb',
    500: '#37779f',
    950: '#000000',
  },
}

SCSS

$custom: #37779f;
$custom-light: #799ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#37779f",
  "rgb": {
    "r": 55,
    "g": 119,
    "b": 159
  },
  "hsl": {
    "h": 203.077,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54507,
    "c": 0.09047,
    "h": 238.9
  },
  "luminance": 0.16509
}

Semantic roles & 50–950 ramp

primary

#37779F

secondary

#BC9176

accent

#8450D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #37779F

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

Preview Lab → · Contrast checker → · Palette generator →