#37697F#37697F

#37697F is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.5% C 0.064 H 228.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#37697F
RGB	rgb(55, 105, 127)
HSL	hsl(198, 40%, 36%)
HSV	hsv(198, 57%, 50%)
CMYK	cmyk(56.7%, 17.3%, 0%, 50.2%)
CIE-LAB	lab(41.92, -10.06, -17.37)
CIE-LCH	lch(41.92, 20.07, 239.91°)
OKLab	oklab(49.52% -0.0425 -0.0483)
OKLCH	oklch(49.52% 0.064 228.7)
XYZ	xyz(10.4564, 12.4468, 21.9260)
Luminance	0.1245 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37697F #7F4D37

analogous

#377F71 #37697F #37457F

triadic

#37697F #7F3769 #697F37

tetradic

#37697F #71377F #7F4D37 #457F37

square

#37697F #71377F #7F4D37 #457F37

split-complementary

#37697F #7F3745 #7F7137

monochromatic

#12222A #254654 #37697F #498CAA #70A8C1

Accessibility & contrast

On white

6.02

#37697F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#37697F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37697F

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37697F	#FFFFFF	#000000	##FFFFFF
##37697F	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6780

Deuteranopia (green-blind)

#53607F

Tritanopia (blue-blind)

#006F70

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #37697f;
/* rgb */ color: rgb(55, 105, 127);
/* oklch */ color: oklch(49.5% 0.064 228.7);

Tailwind

colors: {
  custom: {
    50: '#7493a4',
    500: '#37697f',
    950: '#000000',
  },
}

SCSS

$custom: #37697f;
$custom-light: #7493a4;
$custom-dark: #000000;

JSON

{
  "hex": "#37697f",
  "rgb": {
    "r": 55,
    "g": 105,
    "b": 127
  },
  "hsl": {
    "h": 198.333,
    "s": 39.56,
    "l": 35.686
  },
  "oklch": {
    "l": 0.49515,
    "c": 0.06432,
    "h": 228.7
  },
  "luminance": 0.12448
}

Semantic roles & 50–950 ramp

primary

#37697F

secondary

#AA7C68

accent

#7D58CF

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#090D0F

muted

#7B7E7F

Preview Lab

Preview with #37697F

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

Preview Lab → · Contrast checker → · Palette generator →