#457EB5#457EB5

#457EB5 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.104 H 249.3°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#457EB5
RGBrgb(69, 126, 181)
HSLhsl(209, 45%, 49%)
HSVhsv(209, 62%, 71%)
CMYKcmyk(61.9%, 30.4%, 0%, 29%)
CIE-LABlab(51.29, -1.58, -34.61)
CIE-LCHlch(51.29, 34.64, 267.38°)
OKLaboklab(57.88% -0.0369 -0.0976)
OKLCHoklch(57.88% 0.104 249.3)
XYZxyz(18.2525, 19.5214, 46.5132)
Luminance0.1952 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#457EB5 #B57C45
analogous
#45B5B4 #457EB5 #4546B5
triadic
#457EB5 #B5457E #7EB545
tetradic
#457EB5 #B445B5 #B57C45 #46B545
square
#457EB5 #B445B5 #B57C45 #46B545
split-complementary
#457EB5 #B54546 #B5B445
monochromatic
#23405C #345F89 #457EB5 #6F9CC8 #9BBBD9

Accessibility & contrast

On white

4.28
#457EB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#457EB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #457EB5
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##457EB5#FFFFFF#000000##000000
##457EB51.004.284.904.90
#FFFFFF4.281.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6680B7
Deuteranopia (green-blind)
#5775B4
Tritanopia (blue-blind)
#008B91
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #457eb5;
/* rgb */ color: rgb(69, 126, 181);
/* oklch */ color: oklch(57.9% 0.104 249.3);
Tailwind
colors: {
  custom: {
    50: '#83a3cb',
    500: '#457eb5',
    950: '#000000',
  },
}
SCSS
$custom: #457eb5;
$custom-light: #83a3cb;
$custom-dark: #000000;
JSON
{
  "hex": "#457eb5",
  "rgb": {
    "r": 69,
    "g": 126,
    "b": 181
  },
  "hsl": {
    "h": 209.464,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5788,
    "c": 0.10434,
    "h": 249.3
  },
  "luminance": 0.19523
}

Semantic roles & 50–950 ramp

primary
#457EB5
secondary
#C5AA91
accent
#9353D5
background
#F8FAFC
surface
#F0F3F8
border
#CBCDD1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #457EB5

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

Preview Lab → · Contrast checker → · Palette generator →

#457EB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva