#357BDC#357BDC

#357BDC is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.9% C 0.164 H 257.4°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#357BDC
RGBrgb(53, 123, 220)
HSLhsl(215, 70%, 54%)
HSVhsv(215, 76%, 86%)
CMYKcmyk(75.9%, 44.1%, 0%, 13.7%)
CIE-LABlab(51.94, 11.66, -55.85)
CIE-LCHlch(51.94, 57.05, 281.79°)
OKLaboklab(58.9% -0.0357 -0.16)
OKLCHoklch(58.9% 0.164 257.4)
XYZxyz(21.4647, 20.0876, 70.4423)
Luminance0.2009 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357BDC #DC9635
analogous
#35CFDC #357BDC #4235DC
triadic
#357BDC #DC357B #7BDC35
tetradic
#357BDC #DC35CF #DC9635 #35DC42
square
#357BDC #DC35CF #DC9635 #35DC42
split-complementary
#357BDC #DC4235 #CFDC35
monochromatic
#164380 #1F5EB5 #357BDC #699DE5 #9DBFEE

Accessibility & contrast

On white

4.18
#357BDC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.02
#357BDC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BDC
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357BDC#FFFFFF#000000##000000
##357BDC1.004.185.025.02
#FFFFFF4.181.0021.0021.00
#0000005.0221.001.001.00
##0000005.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#4984E0
Deuteranopia (green-blind)
#2775DA
Tritanopia (blue-blind)
#0092A1
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #357bdc;
/* rgb */ color: rgb(53, 123, 220);
/* oklch */ color: oklch(58.9% 0.164 257.4);
Tailwind
colors: {
  custom: {
    50: '#83a0e7',
    500: '#357bdc',
    950: '#000000',
  },
}
SCSS
$custom: #357bdc;
$custom-light: #83a0e7;
$custom-dark: #000000;
JSON
{
  "hex": "#357bdc",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 220
  },
  "hsl": {
    "h": 214.85,
    "s": 70.464,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58899,
    "c": 0.16397,
    "h": 257.4
  },
  "luminance": 0.2009
}

Semantic roles & 50–950 ramp

primary
#357BDC
secondary
#DABC93
accent
#A23BED
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #357BDC

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

Preview Lab → · Contrast checker → · Palette generator →

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