#357CB4#357CB4

#357CB4 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.112 H 245.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX#357CB4
RGBrgb(53, 124, 180)
HSLhsl(206, 55%, 46%)
HSVhsv(206, 71%, 71%)
CMYKcmyk(70.6%, 31.1%, 0%, 29.4%)
CIE-LABlab(50.06, -3.50, -36.01)
CIE-LCHlch(50.06, 36.18, 264.44°)
OKLaboklab(56.73% -0.0464 -0.1019)
OKLCHoklch(56.73% 0.112 245.5)
XYZxyz(16.9109, 18.4656, 45.8441)
Luminance0.1847 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357CB4 #B46D35
analogous
#35B4AC #357CB4 #353CB4
triadic
#357CB4 #B4357C #7CB435
tetradic
#357CB4 #AC35B4 #B46D35 #3CB435
square
#357CB4 #AC35B4 #B46D35 #3CB435
split-complementary
#357CB4 #B4353C #B4AC35
monochromatic
#193B55 #275B85 #357CB4 #589ACE #88B7DC

Accessibility & contrast

On white

4.47
#357CB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.69
#357CB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CB4
4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357CB4#FFFFFF#000000##000000
##357CB41.004.474.694.69
#FFFFFF4.471.0021.0021.00
#0000004.6921.001.001.00
##0000004.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#637EB6
Deuteranopia (green-blind)
#5172B3
Tritanopia (blue-blind)
#008A90
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #357cb4;
/* rgb */ color: rgb(53, 124, 180);
/* oklch */ color: oklch(56.7% 0.112 245.5);
Tailwind
colors: {
  custom: {
    50: '#7ba1ca',
    500: '#357cb4',
    950: '#000000',
  },
}
SCSS
$custom: #357cb4;
$custom-light: #7ba1ca;
$custom-dark: #000000;
JSON
{
  "hex": "#357cb4",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 180
  },
  "hsl": {
    "h": 206.457,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56725,
    "c": 0.11197,
    "h": 245.5
  },
  "luminance": 0.18467
}

Semantic roles & 50–950 ramp

primary
#357CB4
secondary
#C69E7F
accent
#8B4ADE
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #357CB4

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

Preview Lab → · Contrast checker → · Palette generator →

#357CB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva