#37799F#37799F

#37799F is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.0% C 0.089 H 236.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#37799F
RGB	rgb(55, 121, 159)
HSL	hsl(202, 49%, 42%)
HSV	hsv(202, 65%, 62%)
CMYK	cmyk(65.4%, 23.9%, 0%, 37.6%)
CIE-LAB	lab(48.25, -8.73, -26.63)
CIE-LCH	lch(48.25, 28.02, 251.86°)
OKLab	oklab(54.99% -0.0489 -0.0747)
OKLCH	oklch(54.99% 0.089 236.8)
XYZ	xyz(14.6685, 16.9887, 35.3003)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37799F #9F5D37

analogous

#379F91 #37799F #37459F

triadic

#37799F #9F3779 #799F37

tetradic

#37799F #91379F #9F5D37 #459F37

square

#37799F #91379F #9F5D37 #459F37

split-complementary

#37799F #9F3745 #9F9137

monochromatic

#183444 #275672 #37799F #5199C3 #7EB4D2

Accessibility & contrast

On white

4.77

#37799F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#37799F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37799F

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37799F	#FFFFFF	#000000	##FFFFFF
##37799F	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6778A1

Deuteranopia (green-blind)

#596E9E

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #37799f;
/* rgb */ color: rgb(55, 121, 159);
/* oklch */ color: oklch(55.0% 0.089 236.8);

Tailwind

colors: {
  custom: {
    50: '#799fbb',
    500: '#37799f',
    950: '#000000',
  },
}

SCSS

$custom: #37799f;
$custom-light: #799fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#37799f",
  "rgb": {
    "r": 55,
    "g": 121,
    "b": 159
  },
  "hsl": {
    "h": 201.923,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54993,
    "c": 0.0893,
    "h": 236.8
  },
  "luminance": 0.1699
}

Semantic roles & 50–950 ramp

primary

#37799F

secondary

#BC9076

accent

#8250D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #37799F

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

Preview Lab → · Contrast checker → · Palette generator →