#4B577E#4B577E

#4B577E is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.3% C 0.065 H 270.6°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX#4B577E
RGBrgb(75, 87, 126)
HSLhsl(226, 25%, 39%)
HSVhsv(226, 40%, 49%)
CMYKcmyk(40.5%, 31%, 0%, 50.6%)
CIE-LABlab(37.51, 5.96, -23.47)
CIE-LCHlch(37.51, 24.22, 284.26°)
OKLaboklab(46.34% 0.0007 -0.0655)
OKLCHoklch(46.34% 0.065 270.6)
XYZxyz(10.0746, 9.8181, 21.0989)
Luminance0.0982 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B577E #7E724B
analogous
#4B717E #4B577E #594B7E
triadic
#4B577E #7E4B57 #577E4B
tetradic
#4B577E #7E4B71 #7E724B #4B7E59
square
#4B577E #7E4B71 #7E724B #4B7E59
split-complementary
#4B577E #7E594B #717E4B
monochromatic
#1D2231 #343D58 #4B577E #6472A3 #8A95B9

Accessibility & contrast

On white

7.09
#4B577E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#4B577E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B577E
7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B577E#FFFFFF#000000##FFFFFF
##4B577E1.007.092.967.09
#FFFFFF7.091.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A5B80
Deuteranopia (green-blind)
#45567D
Tritanopia (blue-blind)
#3B5F65
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #4b577e;
/* rgb */ color: rgb(75, 87, 126);
/* oklch */ color: oklch(46.3% 0.065 270.6);
Tailwind
colors: {
  custom: {
    50: '#7f86a3',
    500: '#4b577e',
    950: '#000000',
  },
}
SCSS
$custom: #4b577e;
$custom-light: #7f86a3;
$custom-dark: #000000;
JSON
{
  "hex": "#4b577e",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 225.882,
    "s": 25.373,
    "l": 39.412
  },
  "oklch": {
    "l": 0.46342,
    "c": 0.06548,
    "h": 270.6
  },
  "luminance": 0.09819
}

Semantic roles & 50–950 ramp

primary
#4B577E
secondary
#A69D7F
accent
#AC66C2
background
#F7F8FA
surface
#EEEFF4
border
#C9CACE
text
#0A0B0F
muted
#7C7C7F

Preview Lab

Preview with #4B577E

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

Preview Lab → · Contrast checker → · Palette generator →

#4B577E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva