#357B9D#357B9D

#357B9D is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.3% C 0.087 H 232.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#357B9D
RGBrgb(53, 123, 157)
HSLhsl(200, 50%, 41%)
HSVhsv(200, 66%, 62%)
CMYKcmyk(66.2%, 21.7%, 0%, 38.4%)
CIE-LABlab(48.70, -10.91, -24.75)
CIE-LCHlch(48.70, 27.05, 246.21°)
OKLaboklab(55.31% -0.0531 -0.0693)
OKLCHoklch(55.31% 0.087 232.5)
XYZxyz(14.6346, 17.3556, 34.4705)
Luminance0.1736 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357B9D #9D5735
analogous
#359D8B #357B9D #35479D
triadic
#357B9D #9D357B #7B9D35
tetradic
#357B9D #8B359D #9D5735 #479D35
square
#357B9D #8B359D #9D5735 #479D35
split-complementary
#357B9D #9D3547 #9D8B35
monochromatic
#163341 #26576F #357B9D #4C9CC3 #7AB5D2

Accessibility & contrast

On white

4.70
#357B9D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#357B9D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #357B9D
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357B9D#FFFFFF#000000##FFFFFF
##357B9D1.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A7A9F
Deuteranopia (green-blind)
#5C6F9C
Tritanopia (blue-blind)
#008486
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #357b9d;
/* rgb */ color: rgb(53, 123, 157);
/* oklch */ color: oklch(55.3% 0.087 232.5);
Tailwind
colors: {
  custom: {
    50: '#78a1ba',
    500: '#357b9d',
    950: '#000000',
  },
}
SCSS
$custom: #357b9d;
$custom-light: #78a1ba;
$custom-dark: #000000;
JSON
{
  "hex": "#357b9d",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 157
  },
  "hsl": {
    "h": 199.615,
    "s": 49.524,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5531,
    "c": 0.08735,
    "h": 232.5
  },
  "luminance": 0.17357
}

Semantic roles & 50–950 ramp

primary
#357B9D
secondary
#BB8A73
accent
#7C4FD9
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#0A0E11
muted
#7C7E80

Preview Lab

Preview with #357B9D

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

Preview Lab → · Contrast checker → · Palette generator →

#357B9D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva