#4B577F#4B577F

#4B577F is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.4% C 0.067 H 270.8°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#4B577F
RGB	rgb(75, 87, 127)
HSL	hsl(226, 26%, 40%)
HSV	hsv(226, 41%, 50%)
CMYK	cmyk(40.9%, 31.5%, 0%, 50.2%)
CIE-LAB	lab(37.56, 6.27, -24.01)
CIE-LCH	lch(37.56, 24.81, 284.63°)
OKLab	oklab(46.39% 0.001 -0.067)
OKLCH	oklch(46.39% 0.067 270.8)
XYZ	xyz(10.1395, 9.8441, 21.4404)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B577F #7F734B

analogous

#4B717F #4B577F #594B7F

triadic

#4B577F #7F4B57 #577F4B

tetradic

#4B577F #7F4B71 #7F734B #4B7F59

square

#4B577F #7F4B71 #7F734B #4B7F59

split-complementary

#4B577F #7F594B #717F4B

monochromatic

#1E2232 #343D59 #4B577F #6472A3 #8A95BA

Accessibility & contrast

On white

7.07

#4B577F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4B577F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B577F

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B577F	#FFFFFF	#000000	##FFFFFF
##4B577F	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5B81

Deuteranopia (green-blind)

#45567E

Tritanopia (blue-blind)

#3B5F65

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b577f;
/* rgb */ color: rgb(75, 87, 127);
/* oklch */ color: oklch(46.4% 0.067 270.8);

Tailwind

colors: {
  custom: {
    50: '#7f86a4',
    500: '#4b577f',
    950: '#000000',
  },
}

SCSS

$custom: #4b577f;
$custom-light: #7f86a4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b577f",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 127
  },
  "hsl": {
    "h": 226.154,
    "s": 25.743,
    "l": 39.608
  },
  "oklch": {
    "l": 0.46394,
    "c": 0.06705,
    "h": 270.8
  },
  "luminance": 0.09845
}

Semantic roles & 50–950 ramp

primary

#4B577F

secondary

#A69D7F

accent

#AD66C2

background

#F7F8FA

surface

#EEEFF4

border

#C9CACE

text

#0A0B0F

muted

#7C7C7F

Preview Lab

Preview with #4B577F

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

Preview Lab → · Contrast checker → · Palette generator →