#457FCB#457FCB

#457FCB is a mid, vivid cyan. Relative luminance 0.208; OKLCH L 59.3% C 0.132 H 256.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX#457FCB
RGBrgb(69, 127, 203)
HSLhsl(214, 56%, 53%)
HSVhsv(214, 66%, 80%)
CMYKcmyk(66%, 37.4%, 0%, 20.4%)
CIE-LABlab(52.68, 5.37, -45.01)
CIE-LCHlch(52.68, 45.32, 276.81°)
OKLaboklab(59.33% -0.032 -0.1279)
OKLCHoklch(59.33% 0.132 256)
XYZxyz(20.8192, 20.7537, 59.3970)
Luminance0.2076 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#457FCB #CB9145
analogous
#45C2CB #457FCB #4E45CB
triadic
#457FCB #CB457F #7FCB45
tetradic
#457FCB #CB45C2 #CB9145 #45CB4E
square
#457FCB #CB45C2 #CB9145 #45CB4E
split-complementary
#457FCB #CB4E45 #C2CB45
monochromatic
#214575 #2E61A5 #457FCB #75A0D8 #A5C1E6

Accessibility & contrast

On white

4.08
#457FCB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.15
#457FCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457FCB
5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##457FCB#FFFFFF#000000##000000
##457FCB1.004.085.155.15
#FFFFFF4.081.0021.0021.00
#0000005.1521.001.001.00
##0000005.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D85CE
Deuteranopia (green-blind)
#4A78C9
Tritanopia (blue-blind)
#00919B
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #457fcb;
/* rgb */ color: rgb(69, 127, 203);
/* oklch */ color: oklch(59.3% 0.132 256.0);
Tailwind
colors: {
  custom: {
    50: '#86a3db',
    500: '#457fcb',
    950: '#000000',
  },
}
SCSS
$custom: #457fcb;
$custom-light: #86a3db;
$custom-dark: #000000;
JSON
{
  "hex": "#457fcb",
  "rgb": {
    "r": 69,
    "g": 127,
    "b": 203
  },
  "hsl": {
    "h": 214.03,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59325,
    "c": 0.13186,
    "h": 256
  },
  "luminance": 0.20756
}

Semantic roles & 50–950 ramp

primary
#457FCB
secondary
#D3BA99
accent
#9E48E0
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #457FCB

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

Preview Lab → · Contrast checker → · Palette generator →

#457FCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva