#357EDB#357EDB

#357EDB is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.5% C 0.159 H 256.1°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX#357EDB
RGBrgb(53, 126, 219)
HSLhsl(214, 70%, 53%)
HSVhsv(214, 76%, 86%)
CMYKcmyk(75.8%, 42.5%, 0%, 14.1%)
CIE-LABlab(52.72, 9.44, -54.03)
CIE-LCHlch(52.72, 54.85, 279.91°)
OKLaboklab(59.49% -0.0384 -0.1546)
OKLCHoklch(59.49% 0.159 256.1)
XYZxyz(21.7105, 20.7906, 69.8729)
Luminance0.2079 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357EDB #DB9235
analogous
#35D1DB #357EDB #3F35DB
triadic
#357EDB #DB357E #7EDB35
tetradic
#357EDB #DB35D1 #DB9235 #35DB3F
square
#357EDB #DB35D1 #DB9235 #35DB3F
split-complementary
#357EDB #DB3F35 #D1DB35
monochromatic
#17457F #2061B3 #357EDB #699FE4 #9DC0EE

Accessibility & contrast

On white

4.07
#357EDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.16
#357EDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357EDB
5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357EDB#FFFFFF#000000##000000
##357EDB1.004.075.165.16
#FFFFFF4.071.0021.0021.00
#0000005.1621.001.001.00
##0000005.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5086DF
Deuteranopia (green-blind)
#3177D9
Tritanopia (blue-blind)
#0094A2
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #357edb;
/* rgb */ color: rgb(53, 126, 219);
/* oklch */ color: oklch(59.5% 0.159 256.1);
Tailwind
colors: {
  custom: {
    50: '#83a2e7',
    500: '#357edb',
    950: '#000000',
  },
}
SCSS
$custom: #357edb;
$custom-light: #83a2e7;
$custom-dark: #000000;
JSON
{
  "hex": "#357edb",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 219
  },
  "hsl": {
    "h": 213.614,
    "s": 69.748,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59487,
    "c": 0.15933,
    "h": 256.1
  },
  "luminance": 0.20793
}

Semantic roles & 50–950 ramp

primary
#357EDB
secondary
#DABA92
accent
#9F3BED
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0F16
muted
#7D7E84

Preview Lab

Preview with #357EDB

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

Preview Lab → · Contrast checker → · Palette generator →

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