#37667B#37667B

#37667B is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.6% C 0.061 H 228.9°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#37667B
RGB	rgb(55, 102, 123)
HSL	hsl(199, 38%, 35%)
HSV	hsv(199, 55%, 48%)
CMYK	cmyk(55.3%, 17.1%, 0%, 51.8%)
CIE-LAB	lab(40.81, -9.60, -16.65)
CIE-LCH	lch(40.81, 19.22, 240.04°)
OKLab	oklab(48.58% -0.0404 -0.0463)
OKLCH	oklch(48.58% 0.061 228.9)
XYZ	xyz(9.9007, 11.7442, 20.4802)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37667B #7B4C37

analogous

#377B6E #37667B #37447B

triadic

#37667B #7B3766 #667B37

tetradic

#37667B #6E377B #7B4C37 #447B37

square

#37667B #6E377B #7B4C37 #447B37

split-complementary

#37667B #7B3744 #7B6E37

monochromatic

#112026 #244351 #37667B #4A89A5 #6EA6BE

Accessibility & contrast

On white

6.27

#37667B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#37667B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37667B

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37667B	#FFFFFF	#000000	##FFFFFF
##37667B	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B647C

Deuteranopia (green-blind)

#515D7B

Tritanopia (blue-blind)

#086C6D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #37667b;
/* rgb */ color: rgb(55, 102, 123);
/* oklch */ color: oklch(48.6% 0.061 228.9);

Tailwind

colors: {
  custom: {
    50: '#7391a1',
    500: '#37667b',
    950: '#000000',
  },
}

SCSS

$custom: #37667b;
$custom-light: #7391a1;
$custom-dark: #000000;

JSON

{
  "hex": "#37667b",
  "rgb": {
    "r": 55,
    "g": 102,
    "b": 123
  },
  "hsl": {
    "h": 198.529,
    "s": 38.202,
    "l": 34.902
  },
  "oklch": {
    "l": 0.48577,
    "c": 0.0614,
    "h": 228.9
  },
  "luminance": 0.11745
}

Semantic roles & 50–950 ramp

primary

#37667B

secondary

#A77B67

accent

#7E5ACE

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0F

muted

#7B7D7E

Preview Lab

Preview with #37667B

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

Preview Lab → · Contrast checker → · Palette generator →