#37677B#37677B

#37677B is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.8% C 0.061 H 227.2°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#37677B
RGB	rgb(55, 103, 123)
HSL	hsl(198, 38%, 35%)
HSV	hsv(198, 55%, 48%)
CMYK	cmyk(55.3%, 16.3%, 0%, 51.8%)
CIE-LAB	lab(41.12, -10.18, -16.16)
CIE-LCH	lch(41.12, 19.10, 237.79°)
OKLab	oklab(48.83% -0.0416 -0.0449)
OKLCH	oklch(48.83% 0.061 227.2)
XYZ	xyz(9.9996, 11.9419, 20.5131)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37677B #7B4B37

analogous

#377B6D #37677B #37457B

triadic

#37677B #7B3767 #677B37

tetradic

#37677B #6D377B #7B4B37 #457B37

square

#37677B #6D377B #7B4B37 #457B37

split-complementary

#37677B #7B3745 #7B6D37

monochromatic

#112026 #244451 #37677B #4A8AA5 #6EA7BE

Accessibility & contrast

On white

6.20

#37677B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#37677B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37677B

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37677B	#FFFFFF	#000000	##FFFFFF
##37677B	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C657C

Deuteranopia (green-blind)

#535E7B

Tritanopia (blue-blind)

#076D6D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #37677b;
/* rgb */ color: rgb(55, 103, 123);
/* oklch */ color: oklch(48.8% 0.061 227.2);

Tailwind

colors: {
  custom: {
    50: '#7392a1',
    500: '#37677b',
    950: '#000000',
  },
}

SCSS

$custom: #37677b;
$custom-light: #7392a1;
$custom-dark: #000000;

JSON

{
  "hex": "#37677b",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 123
  },
  "hsl": {
    "h": 197.647,
    "s": 38.202,
    "l": 34.902
  },
  "oklch": {
    "l": 0.48829,
    "c": 0.06121,
    "h": 227.2
  },
  "luminance": 0.11943
}

Semantic roles & 50–950 ramp

primary

#37677B

secondary

#A77A67

accent

#7C5ACE

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080D0F

muted

#7B7D7E

Preview Lab

Preview with #37677B

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

Preview Lab → · Contrast checker → · Palette generator →