#2357BA#2357BA

#2357BA is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.2% C 0.166 H 261.7°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#2357BA
RGBrgb(35, 87, 186)
HSLhsl(219, 68%, 43%)
HSVhsv(219, 81%, 73%)
CMYKcmyk(81.2%, 53.2%, 0%, 27.1%)
CIE-LABlab(39.10, 19.86, -57.03)
CIE-LCHlch(39.10, 60.39, 289.20°)
OKLaboklab(48.18% -0.0241 -0.1645)
OKLCHoklch(48.18% 0.166 261.7)
XYZxyz(12.9611, 10.7173, 47.8304)
Luminance0.1072 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2357BA #BA8623
analogous
#23A2BA #2357BA #3B23BA
triadic
#2357BA #BA2357 #57BA23
tetradic
#2357BA #BA23A2 #BA8623 #23BA3B
square
#2357BA #BA23A2 #BA8623 #23BA3B
split-complementary
#2357BA #BA3B23 #A2BA23
monochromatic
#102753 #193F86 #2357BA #3F75DB #739AE5

Accessibility & contrast

On white

6.68
#2357BA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#2357BA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2357BA
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2357BA#FFFFFF#000000##FFFFFF
##2357BA1.006.683.146.68
#FFFFFF6.681.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0863BE
Deuteranopia (green-blind)
#0056B8
Tritanopia (blue-blind)
#006F80
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #2357ba;
/* rgb */ color: rgb(35, 87, 186);
/* oklch */ color: oklch(48.2% 0.166 261.7);
Tailwind
colors: {
  custom: {
    50: '#7785cf',
    500: '#2357ba',
    950: '#000000',
  },
}
SCSS
$custom: #2357ba;
$custom-light: #7785cf;
$custom-dark: #000000;
JSON
{
  "hex": "#2357ba",
  "rgb": {
    "r": 35,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 219.338,
    "s": 68.326,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48179,
    "c": 0.16622,
    "h": 261.7
  },
  "luminance": 0.10719
}

Semantic roles & 50–950 ramp

primary
#2357BA
secondary
#CCAB6D
accent
#AF3DEB
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0A0B14
muted
#7C7C82

Preview Lab

Preview with #2357BA

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

Preview Lab → · Contrast checker → · Palette generator →

#2357BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva