#37637C#37637C

#37637C is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.9% C 0.063 H 235.1°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#37637C
RGB	rgb(55, 99, 124)
HSL	hsl(202, 39%, 35%)
HSV	hsv(202, 56%, 49%)
CMYK	cmyk(55.6%, 20.2%, 0%, 51.4%)
CIE-LAB	lab(39.90, -7.49, -18.65)
CIE-LCH	lch(39.90, 20.10, 248.11°)
OKLab	oklab(47.87% -0.0362 -0.052)
OKLCH	oklch(47.87% 0.063 235.1)
XYZ	xyz(9.6741, 11.1903, 20.7150)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37637C #7C5037

analogous

#377C72 #37637C #37417C

triadic

#37637C #7C3763 #637C37

tetradic

#37637C #72377C #7C5037 #417C37

square

#37637C #72377C #7C5037 #417C37

split-complementary

#37637C #7C3741 #7C7237

monochromatic

#111F27 #244152 #37637C #4A85A6 #6EA2BF

Accessibility & contrast

On white

6.49

#37637C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#37637C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37637C

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37637C	#FFFFFF	#000000	##FFFFFF
##37637C	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57627D

Deuteranopia (green-blind)

#4E5B7C

Tritanopia (blue-blind)

#086A6B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #37637c;
/* rgb */ color: rgb(55, 99, 124);
/* oklch */ color: oklch(47.9% 0.063 235.1);

Tailwind

colors: {
  custom: {
    50: '#738fa2',
    500: '#37637c',
    950: '#000000',
  },
}

SCSS

$custom: #37637c;
$custom-light: #738fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#37637c",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 124
  },
  "hsl": {
    "h": 201.739,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.47869,
    "c": 0.06334,
    "h": 235.1
  },
  "luminance": 0.11191
}

Semantic roles & 50–950 ramp

primary

#37637C

secondary

#A87F67

accent

#8459CE

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0F

muted

#7B7D7E

Preview Lab

Preview with #37637C

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

Preview Lab → · Contrast checker → · Palette generator →