#357EBB#357EBB

#357EBB is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.119 H 247.1°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX#357EBB
RGBrgb(53, 126, 187)
HSLhsl(207, 56%, 47%)
HSVhsv(207, 72%, 73%)
CMYKcmyk(71.7%, 32.6%, 0%, 26.7%)
CIE-LABlab(51.00, -2.20, -38.56)
CIE-LCHlch(51.00, 38.63, 266.74°)
OKLaboklab(57.58% -0.0463 -0.1093)
OKLCHoklch(57.58% 0.119 247.1)
XYZxyz(17.8953, 19.2645, 49.7794)
Luminance0.1927 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357EBB #BB7235
analogous
#35BBB5 #357EBB #353BBB
triadic
#357EBB #BB357E #7EBB35
tetradic
#357EBB #B535BB #BB7235 #3BBB35
square
#357EBB #B535BB #BB7235 #3BBB35
split-complementary
#357EBB #BB353B #BBB535
monochromatic
#1A3E5C #275E8B #357EBB #5C9CD1 #8CB9DE

Accessibility & contrast

On white

4.33
#357EBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.85
#357EBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357EBB
4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357EBB#FFFFFF#000000##000000
##357EBB1.004.334.854.85
#FFFFFF4.331.0021.0021.00
#0000004.8521.001.001.00
##0000004.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6280BE
Deuteranopia (green-blind)
#5074BA
Tritanopia (blue-blind)
#008D94
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #357ebb;
/* rgb */ color: rgb(53, 126, 187);
/* oklch */ color: oklch(57.6% 0.119 247.1);
Tailwind
colors: {
  custom: {
    50: '#7da3d0',
    500: '#357ebb',
    950: '#000000',
  },
}
SCSS
$custom: #357ebb;
$custom-light: #7da3d0;
$custom-dark: #000000;
JSON
{
  "hex": "#357ebb",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 187
  },
  "hsl": {
    "h": 207.313,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57578,
    "c": 0.11872,
    "h": 247.1
  },
  "luminance": 0.19266
}

Semantic roles & 50–950 ramp

primary
#357EBB
secondary
#C9A383
accent
#8D49DF
background
#F8FAFC
surface
#EFF3F9
border
#CACDD2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #357EBB

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

Preview Lab → · Contrast checker → · Palette generator →

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