#3457B8#3457B8

#3457B8 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.159 H 265.8°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX#3457B8
RGBrgb(52, 87, 184)
HSLhsl(224, 56%, 46%)
HSVhsv(224, 72%, 72%)
CMYKcmyk(71.7%, 52.7%, 0%, 27.8%)
CIE-LABlab(39.59, 21.09, -55.04)
CIE-LCHlch(39.59, 58.94, 290.97°)
OKLaboklab(48.68% -0.0117 -0.1583)
OKLCHoklch(48.68% 0.159 265.8)
XYZxyz(13.4731, 11.0057, 46.7524)
Luminance0.1101 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3457B8 #B89534
analogous
#3499B8 #3457B8 #5334B8
triadic
#3457B8 #B83457 #57B834
tetradic
#3457B8 #B83499 #B89534 #34B853
square
#3457B8 #B83499 #B89534 #34B853
split-complementary
#3457B8 #B85334 #99B834
monochromatic
#192A59 #274088 #3457B8 #5979D0 #899FDE

Accessibility & contrast

On white

6.56
#3457B8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#3457B8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3457B8
6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3457B8#FFFFFF#000000##FFFFFF
##3457B81.006.563.206.56
#FFFFFF6.561.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1564BB
Deuteranopia (green-blind)
#0057B6
Tritanopia (blue-blind)
#006E7F
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #3457b8;
/* rgb */ color: rgb(52, 87, 184);
/* oklch */ color: oklch(48.7% 0.159 265.8);
Tailwind
colors: {
  custom: {
    50: '#7c85ce',
    500: '#3457b8',
    950: '#000000',
  },
}
SCSS
$custom: #3457b8;
$custom-light: #7c85ce;
$custom-dark: #000000;
JSON
{
  "hex": "#3457b8",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 184
  },
  "hsl": {
    "h": 224.091,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48682,
    "c": 0.15874,
    "h": 265.8
  },
  "luminance": 0.11007
}

Semantic roles & 50–950 ramp

primary
#3457B8
secondary
#C8B580
accent
#B749DF
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0B0B14
muted
#7C7C82

Preview Lab

Preview with #3457B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3457B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva