#37677D#37677D

#37677D is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.9% C 0.063 H 229.6°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#37677D
RGB	rgb(55, 103, 125)
HSL	hsl(199, 39%, 35%)
HSV	hsv(199, 56%, 49%)
CMYK	cmyk(56%, 17.6%, 0%, 51%)
CIE-LAB	lab(41.20, -9.54, -17.25)
CIE-LCH	lch(41.20, 19.71, 241.06°)
OKLab	oklab(48.92% -0.0408 -0.048)
OKLCH	oklch(48.92% 0.063 229.6)
XYZ	xyz(10.1261, 11.9925, 21.1792)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37677D #7D4D37

analogous

#377D70 #37677D #37447D

triadic

#37677D #7D3767 #677D37

tetradic

#37677D #70377D #7D4D37 #447D37

square

#37677D #70377D #7D4D37 #447D37

split-complementary

#37677D #7D3744 #7D7037

monochromatic

#122128 #244452 #37677D #4A8AA7 #6FA6C0

Accessibility & contrast

On white

6.18

#37677D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#37677D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37677D

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37677D	#FFFFFF	#000000	##FFFFFF
##37677D	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C657E

Deuteranopia (green-blind)

#525E7D

Tritanopia (blue-blind)

#036D6E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #37677d;
/* rgb */ color: rgb(55, 103, 125);
/* oklch */ color: oklch(48.9% 0.063 229.6);

Tailwind

colors: {
  custom: {
    50: '#7492a2',
    500: '#37677d',
    950: '#000000',
  },
}

SCSS

$custom: #37677d;
$custom-light: #7492a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37677d",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 125
  },
  "hsl": {
    "h": 198.857,
    "s": 38.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.4892,
    "c": 0.06299,
    "h": 229.6
  },
  "luminance": 0.11993
}

Semantic roles & 50–950 ramp

primary

#37677D

secondary

#A87C67

accent

#7E59CF

background

#F7F8FA

surface

#EDF0F3

border

#C8CBCD

text

#080D0F

muted

#7B7D7F

Preview Lab

Preview with #37677D

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

Preview Lab → · Contrast checker → · Palette generator →