#357FB1#357FB1

#357FB1 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.3% C 0.106 H 241.7°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX#357FB1
RGBrgb(53, 127, 177)
HSLhsl(204, 54%, 45%)
HSVhsv(204, 70%, 69%)
CMYKcmyk(70.1%, 28.2%, 0%, 30.6%)
CIE-LABlab(50.81, -6.33, -33.09)
CIE-LCHlch(50.81, 33.69, 259.17°)
OKLaboklab(57.28% -0.0504 -0.0934)
OKLCHoklch(57.28% 0.106 241.7)
XYZxyz(16.9903, 19.1081, 44.3793)
Luminance0.1911 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357FB1 #B16735
analogous
#35B1A5 #357FB1 #3541B1
triadic
#357FB1 #B1357F #7FB135
tetradic
#357FB1 #A535B1 #B16735 #41B135
square
#357FB1 #A535B1 #B16735 #41B135
split-complementary
#357FB1 #B13541 #B1A535
monochromatic
#193B53 #275D82 #357FB1 #579DCD #86B8DB

Accessibility & contrast

On white

4.36
#357FB1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.82
#357FB1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357FB1
4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357FB1#FFFFFF#000000##000000
##357FB11.004.364.824.82
#FFFFFF4.361.0021.0021.00
#0000004.8221.001.001.00
##0000004.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6880B3
Deuteranopia (green-blind)
#5774B0
Tritanopia (blue-blind)
#008B90
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #357fb1;
/* rgb */ color: rgb(53, 127, 177);
/* oklch */ color: oklch(57.3% 0.106 241.7);
Tailwind
colors: {
  custom: {
    50: '#7ba4c8',
    500: '#357fb1',
    950: '#000000',
  },
}
SCSS
$custom: #357fb1;
$custom-light: #7ba4c8;
$custom-dark: #000000;
JSON
{
  "hex": "#357fb1",
  "rgb": {
    "r": 53,
    "g": 127,
    "b": 177
  },
  "hsl": {
    "h": 204.194,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57277,
    "c": 0.10611,
    "h": 241.7
  },
  "luminance": 0.1911
}

Semantic roles & 50–950 ramp

primary
#357FB1
secondary
#C49A7D
accent
#864BDD
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #357FB1

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

Preview Lab → · Contrast checker → · Palette generator →

#357FB1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva