#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
RGBrgb(55, 97, 125)
HSLhsl(204, 39%, 35%)
HSVhsv(204, 56%, 49%)
CMYKcmyk(56%, 22.4%, 0%, 51%)
CIE-LABlab(39.31, -5.96, -20.16)
CIE-LCHlch(39.31, 21.03, 253.53°)
OKLaboklab(47.42% -0.0333 -0.0563)
OKLCHoklch(47.42% 0.065 239.4)
XYZxyz(9.5506, 10.8415, 20.9874)
Luminance0.1084 (WCAG relative)
Temperaturecool
Familycyan

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
##37617D1.006.633.176.63
#FFFFFF6.631.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.631.0021.001.00

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 →

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