#357FB5#357FB5

#357FB5 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.5% C 0.111 H 243.7°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#357FB5
RGBrgb(53, 127, 181)
HSLhsl(205, 55%, 46%)
HSVhsv(205, 71%, 71%)
CMYKcmyk(70.7%, 29.8%, 0%, 29%)
CIE-LABlab(51.00, -4.92, -35.10)
CIE-LCHlch(51.00, 35.45, 262.02°)
OKLaboklab(57.49% -0.0491 -0.0992)
OKLCHoklch(57.49% 0.111 243.7)
XYZxyz(17.3949, 19.2699, 46.5098)
Luminance0.1927 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357FB5 #B56B35
analogous
#35B5AB #357FB5 #353FB5
triadic
#357FB5 #B5357F #7FB535
tetradic
#357FB5 #AB35B5 #B56B35 #3FB535
square
#357FB5 #AB35B5 #B56B35 #3FB535
split-complementary
#357FB5 #B5353F #B5AB35
monochromatic
#193D56 #275E86 #357FB5 #599DCE #88B9DC

Accessibility & contrast

On white

4.33
#357FB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.85
#357FB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357FB5
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357FB5#FFFFFF#000000##000000
##357FB51.004.334.854.85
#FFFFFF4.331.0021.0021.00
#0000004.8521.001.001.00
##0000004.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6680B7
Deuteranopia (green-blind)
#5574B4
Tritanopia (blue-blind)
#008C92
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #357fb5;
/* rgb */ color: rgb(53, 127, 181);
/* oklch */ color: oklch(57.5% 0.111 243.7);
Tailwind
colors: {
  custom: {
    50: '#7ca3cb',
    500: '#357fb5',
    950: '#000000',
  },
}
SCSS
$custom: #357fb5;
$custom-light: #7ca3cb;
$custom-dark: #000000;
JSON
{
  "hex": "#357fb5",
  "rgb": {
    "r": 53,
    "g": 127,
    "b": 181
  },
  "hsl": {
    "h": 205.313,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.57487,
    "c": 0.11071,
    "h": 243.7
  },
  "luminance": 0.19272
}

Semantic roles & 50–950 ramp

primary
#357FB5
secondary
#C69D80
accent
#884ADE
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #357FB5

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

Preview Lab → · Contrast checker → · Palette generator →

#357FB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva