#357BD1#357BD1

#357BD1 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.2% C 0.150 H 255.3°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#357BD1
RGBrgb(53, 123, 209)
HSLhsl(213, 63%, 51%)
HSVhsv(213, 75%, 82%)
CMYKcmyk(74.6%, 41.1%, 0%, 18%)
CIE-LABlab(51.29, 7.61, -50.65)
CIE-LCHlch(51.29, 51.22, 278.54°)
OKLaboklab(58.19% -0.0379 -0.1448)
OKLCHoklch(58.19% 0.15 255.3)
XYZxyz(20.0555, 19.5240, 63.0208)
Luminance0.1953 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357BD1 #D18B35
analogous
#35C9D1 #357BD1 #3D35D1
triadic
#357BD1 #D1357B #7BD135
tetradic
#357BD1 #D135C9 #D18B35 #35D13D
square
#357BD1 #D135C9 #D18B35 #35D13D
split-complementary
#357BD1 #D13D35 #C9D135
monochromatic
#1A4172 #255EA4 #357BD1 #679CDC #99BCE8

Accessibility & contrast

On white

4.28
#357BD1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.91
#357BD1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BD1
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357BD1#FFFFFF#000000##000000
##357BD11.004.284.914.91
#FFFFFF4.281.0021.0021.00
#0000004.9121.001.001.00
##0000004.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#5182D4
Deuteranopia (green-blind)
#3774CF
Tritanopia (blue-blind)
#008F9C
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #357bd1;
/* rgb */ color: rgb(53, 123, 209);
/* oklch */ color: oklch(58.2% 0.150 255.3);
Tailwind
colors: {
  custom: {
    50: '#81a0df',
    500: '#357bd1',
    950: '#000000',
  },
}
SCSS
$custom: #357bd1;
$custom-light: #81a0df;
$custom-dark: #000000;
JSON
{
  "hex": "#357bd1",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 209
  },
  "hsl": {
    "h": 213.077,
    "s": 62.903,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58194,
    "c": 0.14964,
    "h": 255.3
  },
  "luminance": 0.19526
}

Semantic roles & 50–950 ramp

primary
#357BD1
secondary
#D3B48F
accent
#9C42E6
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #357BD1

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

Preview Lab → · Contrast checker → · Palette generator →

#357BD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva