#357DB7#357DB7

#357DB7 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.1% C 0.115 H 246.1°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#357DB7
RGBrgb(53, 125, 183)
HSLhsl(207, 55%, 46%)
HSVhsv(207, 71%, 72%)
CMYKcmyk(71%, 31.7%, 0%, 28.2%)
CIE-LABlab(50.50, -3.03, -37.04)
CIE-LCHlch(50.50, 37.17, 265.32°)
OKLaboklab(57.12% -0.0465 -0.1049)
OKLCHoklch(57.12% 0.115 246.1)
XYZxyz(17.3458, 18.8411, 47.5131)
Luminance0.1884 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357DB7 #B76F35
analogous
#35B7B0 #357DB7 #353CB7
triadic
#357DB7 #B7357D #7DB735
tetradic
#357DB7 #B035B7 #B76F35 #3CB735
square
#357DB7 #B035B7 #B76F35 #3CB735
split-complementary
#357DB7 #B7353C #B7B035
monochromatic
#1A3C58 #275D88 #357DB7 #5A9BCF #89B8DD

Accessibility & contrast

On white

4.40
#357DB7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.77
#357DB7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DB7
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357DB7#FFFFFF#000000##000000
##357DB71.004.404.774.77
#FFFFFF4.401.0021.0021.00
#0000004.7721.001.001.00
##0000004.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#637FBA
Deuteranopia (green-blind)
#5173B6
Tritanopia (blue-blind)
#008B92
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #357db7;
/* rgb */ color: rgb(53, 125, 183);
/* oklch */ color: oklch(57.1% 0.115 246.1);
Tailwind
colors: {
  custom: {
    50: '#7ca2cd',
    500: '#357db7',
    950: '#000000',
  },
}
SCSS
$custom: #357db7;
$custom-light: #7ca2cd;
$custom-dark: #000000;
JSON
{
  "hex": "#357db7",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 183
  },
  "hsl": {
    "h": 206.769,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57124,
    "c": 0.11474,
    "h": 246.1
  },
  "luminance": 0.18843
}

Semantic roles & 50–950 ramp

primary
#357DB7
secondary
#C7A081
accent
#8C49DE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #357DB7

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

Preview Lab → · Contrast checker → · Palette generator →

#357DB7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva