#357DB0#357DB0

#357DB0 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.106 H 242.8°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#357DB0
RGBrgb(53, 125, 176)
HSLhsl(205, 54%, 45%)
HSVhsv(205, 70%, 69%)
CMYKcmyk(69.9%, 29%, 0%, 31%)
CIE-LABlab(50.16, -5.51, -33.53)
CIE-LCHlch(50.16, 33.98, 260.67°)
OKLaboklab(56.75% -0.0487 -0.0947)
OKLCHoklch(56.75% 0.106 242.8)
XYZxyz(16.6353, 18.5569, 43.7710)
Luminance0.1856 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357DB0 #B06835
analogous
#35B0A6 #357DB0 #353FB0
triadic
#357DB0 #B0357D #7DB035
tetradic
#357DB0 #A635B0 #B06835 #3FB035
square
#357DB0 #A635B0 #B06835 #3FB035
split-complementary
#357DB0 #B0353F #B0A635
monochromatic
#193A52 #275C81 #357DB0 #569BCC #85B7DA

Accessibility & contrast

On white

4.46
#357DB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.71
#357DB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DB0
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357DB0#FFFFFF#000000##000000
##357DB01.004.464.714.71
#FFFFFF4.461.0021.0021.00
#0000004.7121.001.001.00
##0000004.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#667EB2
Deuteranopia (green-blind)
#5572AF
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #357db0;
/* rgb */ color: rgb(53, 125, 176);
/* oklch */ color: oklch(56.7% 0.106 242.8);
Tailwind
colors: {
  custom: {
    50: '#7ba2c8',
    500: '#357db0',
    950: '#000000',
  },
}
SCSS
$custom: #357db0;
$custom-light: #7ba2c8;
$custom-dark: #000000;
JSON
{
  "hex": "#357db0",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 176
  },
  "hsl": {
    "h": 204.878,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56748,
    "c": 0.10645,
    "h": 242.8
  },
  "luminance": 0.18559
}

Semantic roles & 50–950 ramp

primary
#357DB0
secondary
#C49A7D
accent
#874BDD
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0F13
muted
#7C7E82

Preview Lab

Preview with #357DB0

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

Preview Lab → · Contrast checker → · Palette generator →

#357DB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva