#37617C#37617C

#37617C is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.4% C 0.064 H 238.4°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#37617C
RGB	rgb(55, 97, 124)
HSL	hsl(203, 39%, 35%)
HSV	hsv(203, 56%, 49%)
CMYK	cmyk(55.6%, 21.8%, 0%, 51.4%)
CIE-LAB	lab(39.27, -6.29, -19.62)
CIE-LCH	lch(39.27, 20.61, 252.22°)
OKLab	oklab(47.37% -0.0337 -0.0547)
OKLCH	oklch(47.37% 0.064 238.4)
XYZ	xyz(9.4870, 10.8161, 20.6526)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37617C #7C5237

analogous

#377C74 #37617C #373F7C

triadic

#37617C #7C3761 #617C37

tetradic

#37617C #74377C #7C5237 #3F7C37

square

#37617C #74377C #7C5237 #3F7C37

split-complementary

#37617C #7C373F #7C7437

monochromatic

#111F27 #244052 #37617C #4A82A6 #6E9FBF

Accessibility & contrast

On white

6.64

#37617C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#37617C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37617C

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37617C	#FFFFFF	#000000	##FFFFFF
##37617C	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55617D

Deuteranopia (green-blind)

#4B597C

Tritanopia (blue-blind)

#09686A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #37617c;
/* rgb */ color: rgb(55, 97, 124);
/* oklch */ color: oklch(47.4% 0.064 238.4);

Tailwind

colors: {
  custom: {
    50: '#738da2',
    500: '#37617c',
    950: '#000000',
  },
}

SCSS

$custom: #37617c;
$custom-light: #738da2;
$custom-dark: #000000;

JSON

{
  "hex": "#37617c",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 124
  },
  "hsl": {
    "h": 203.478,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.4737,
    "c": 0.06428,
    "h": 238.4
  },
  "luminance": 0.10817
}

Semantic roles & 50–950 ramp

primary

#37617C

secondary

#A88067

accent

#8759CE

background

#F7F8F9

surface

#EDF0F2

border

#C8CBCC

text

#080C0F

muted

#7B7D7E

Preview Lab

Preview with #37617C

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

Preview Lab → · Contrast checker → · Palette generator →