#37617D#37617D

#37617D is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.4% C 0.065 H 239.4°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#37617D
RGB	rgb(55, 97, 125)
HSL	hsl(204, 39%, 35%)
HSV	hsv(204, 56%, 49%)
CMYK	cmyk(56%, 22.4%, 0%, 51%)
CIE-LAB	lab(39.31, -5.96, -20.16)
CIE-LCH	lch(39.31, 21.03, 253.53°)
OKLab	oklab(47.42% -0.0333 -0.0563)
OKLCH	oklch(47.42% 0.065 239.4)
XYZ	xyz(9.5506, 10.8415, 20.9874)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37617D #7D5337

analogous

#377D76 #37617D #373E7D

triadic

#37617D #7D3761 #617D37

tetradic

#37617D #76377D #7D5337 #3E7D37

square

#37617D #76377D #7D5337 #3E7D37

split-complementary

#37617D #7D373E #7D7637

monochromatic

#121F28 #244052 #37617D #4A82A7 #6F9FC0

Accessibility & contrast

On white

6.63

#37617D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#37617D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37617D

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37617D	#FFFFFF	#000000	##FFFFFF
##37617D	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54617E

Deuteranopia (green-blind)

#4B597D

Tritanopia (blue-blind)

#07686A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #37617d;
/* rgb */ color: rgb(55, 97, 125);
/* oklch */ color: oklch(47.4% 0.065 239.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37617d",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 125
  },
  "hsl": {
    "h": 204,
    "s": 38.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.47418,
    "c": 0.06541,
    "h": 239.4
  },
  "luminance": 0.10842
}

Semantic roles & 50–950 ramp

primary

#37617D

secondary

#A88167

accent

#8859CF

background

#F7F8FA

surface

#EDF0F3

border

#C8CBCD

text

#080C0F

muted

#7B7D7F

Preview Lab

Preview with #37617D

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

Preview Lab → · Contrast checker → · Palette generator →