#357CB0#357CB0

#357CB0 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.107 H 243.6°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX#357CB0
RGBrgb(53, 124, 176)
HSLhsl(205, 54%, 45%)
HSVhsv(205, 70%, 69%)
CMYKcmyk(69.9%, 29.5%, 0%, 31%)
CIE-LABlab(49.86, -4.92, -34.00)
CIE-LCHlch(49.86, 34.35, 261.77°)
OKLaboklab(56.51% -0.0476 -0.0961)
OKLCHoklch(56.51% 0.107 243.6)
XYZxyz(16.5093, 18.3050, 43.7290)
Luminance0.1831 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357CB0 #B06935
analogous
#35B0A7 #357CB0 #353EB0
triadic
#357CB0 #B0357C #7CB035
tetradic
#357CB0 #A735B0 #B06935 #3EB035
square
#357CB0 #A735B0 #B06935 #3EB035
split-complementary
#357CB0 #B0353E #B0A735
monochromatic
#193A52 #275B81 #357CB0 #569ACC #85B6DA

Accessibility & contrast

On white

4.51
#357CB0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.66
#357CB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CB0
4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357CB0#FFFFFF#000000##000000
##357CB01.004.514.664.66
#FFFFFF4.511.0021.0021.00
#0000004.6621.001.001.00
##0000004.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#647DB2
Deuteranopia (green-blind)
#5371AF
Tritanopia (blue-blind)
#00898E
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #357cb0;
/* rgb */ color: rgb(53, 124, 176);
/* oklch */ color: oklch(56.5% 0.107 243.6);
Tailwind
colors: {
  custom: {
    50: '#7ba1c8',
    500: '#357cb0',
    950: '#000000',
  },
}
SCSS
$custom: #357cb0;
$custom-light: #7ba1c8;
$custom-dark: #000000;
JSON
{
  "hex": "#357cb0",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 176
  },
  "hsl": {
    "h": 205.366,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56511,
    "c": 0.10722,
    "h": 243.6
  },
  "luminance": 0.18307
}

Semantic roles & 50–950 ramp

primary
#357CB0
secondary
#C49B7D
accent
#894BDD
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #357CB0

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

Preview Lab → · Contrast checker → · Palette generator →

#357CB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva