#357BD0#357BD0

#357BD0 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.1% C 0.148 H 255.1°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#357BD0
RGBrgb(53, 123, 208)
HSLhsl(213, 62%, 51%)
HSVhsv(213, 75%, 82%)
CMYKcmyk(74.5%, 40.9%, 0%, 18.4%)
CIE-LABlab(51.24, 7.24, -50.17)
CIE-LCHlch(51.24, 50.69, 278.21°)
OKLaboklab(58.13% -0.0381 -0.1434)
OKLCHoklch(58.13% 0.148 255.1)
XYZxyz(19.9321, 19.4746, 62.3708)
Luminance0.1948 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357BD0 #D08A35
analogous
#35C9D0 #357BD0 #3C35D0
triadic
#357BD0 #D0357B #7BD035
tetradic
#357BD0 #D035C9 #D08A35 #35D03C
square
#357BD0 #D035C9 #D08A35 #35D03C
split-complementary
#357BD0 #D03C35 #C9D035
monochromatic
#1A4170 #265EA2 #357BD0 #679BDC #98BCE7

Accessibility & contrast

On white

4.29
#357BD0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#357BD0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BD0
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357BD0#FFFFFF#000000##000000
##357BD01.004.294.904.90
#FFFFFF4.291.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5282D3
Deuteranopia (green-blind)
#3874CE
Tritanopia (blue-blind)
#008F9B
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #357bd0;
/* rgb */ color: rgb(53, 123, 208);
/* oklch */ color: oklch(58.1% 0.148 255.1);
Tailwind
colors: {
  custom: {
    50: '#81a0df',
    500: '#357bd0',
    950: '#000000',
  },
}
SCSS
$custom: #357bd0;
$custom-light: #81a0df;
$custom-dark: #000000;
JSON
{
  "hex": "#357bd0",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 208
  },
  "hsl": {
    "h": 212.903,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58132,
    "c": 0.14835,
    "h": 255.1
  },
  "luminance": 0.19477
}

Semantic roles & 50–950 ramp

primary
#357BD0
secondary
#D3B48E
accent
#9C42E5
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #357BD0

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

Preview Lab → · Contrast checker → · Palette generator →

#357BD0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva