#37617E#37617E

#37617E is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.5% C 0.067 H 240.3°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#37617E
RGBrgb(55, 97, 126)
HSLhsl(205, 39%, 35%)
HSVhsv(205, 56%, 49%)
CMYKcmyk(56.3%, 23%, 0%, 50.6%)
CIE-LABlab(39.36, -5.63, -20.71)
CIE-LCHlch(39.36, 21.46, 254.79°)
OKLaboklab(47.47% -0.033 -0.0578)
OKLCHoklch(47.47% 0.067 240.3)
XYZxyz(9.6148, 10.8672, 21.3255)
Luminance0.1087 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37617E #7E5437
analogous
#377E77 #37617E #373D7E
triadic
#37617E #7E3761 #617E37
tetradic
#37617E #77377E #7E5437 #3D7E37
square
#37617E #77377E #7E5437 #3D7E37
split-complementary
#37617E #7E373D #7E7737
monochromatic
#121F29 #244053 #37617E #4A82A9 #6F9FC0

Accessibility & contrast

On white

6.62
#37617E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#37617E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37617E
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37617E#FFFFFF#000000##FFFFFF
##37617E1.006.623.176.62
#FFFFFF6.621.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#54617F
Deuteranopia (green-blind)
#4A597D
Tritanopia (blue-blind)
#05686B
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #37617e;
/* rgb */ color: rgb(55, 97, 126);
/* oklch */ color: oklch(47.5% 0.067 240.3);
Tailwind
colors: {
  custom: {
    50: '#738da3',
    500: '#37617e',
    950: '#000000',
  },
}
SCSS
$custom: #37617e;
$custom-light: #738da3;
$custom-dark: #000000;
JSON
{
  "hex": "#37617e",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 126
  },
  "hsl": {
    "h": 204.507,
    "s": 39.227,
    "l": 35.49
  },
  "oklch": {
    "l": 0.47467,
    "c": 0.06658,
    "h": 240.3
  },
  "luminance": 0.10868
}

Semantic roles & 50–950 ramp

primary
#37617E
secondary
#A98268
accent
#8959CF
background
#F7F8FA
surface
#EDF0F3
border
#C8CBCD
text
#080C0F
muted
#7B7D7F

Preview Lab

Preview with #37617E

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

Preview Lab → · Contrast checker → · Palette generator →

#37617E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva