#4C557F#4C557F

#4C557F is a mid, moderate blue. Relative luminance 0.096; OKLCH L 46.0% C 0.069 H 274.1°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#4C557F
RGB	rgb(76, 85, 127)
HSL	hsl(229, 25%, 40%)
HSV	hsv(229, 40%, 50%)
CMYK	cmyk(40.2%, 33.1%, 0%, 50.2%)
CIE-LAB	lab(37.05, 7.84, -24.80)
CIE-LCH	lch(37.05, 26.01, 287.53°)
OKLab	oklab(46.02% 0.005 -0.0693)
OKLCH	oklch(46.02% 0.069 274.1)
XYZ	xyz(10.0586, 9.5654, 21.3909)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C557F #7F764C

analogous

#4C6E7F #4C557F #5D4C7F

triadic

#4C557F #7F4C55 #557F4C

tetradic

#4C557F #7F4C6E #7F764C #4C7F5D

square

#4C557F #7F4C6E #7F764C #4C7F5D

split-complementary

#4C557F #7F5D4C #6E7F4C

monochromatic

#1E2232 #353B59 #4C557F #6570A3 #8C94BA

Accessibility & contrast

On white

7.21

#4C557F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4C557F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C557F

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C557F	#FFFFFF	#000000	##FFFFFF
##4C557F	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475981

Deuteranopia (green-blind)

#43557E

Tritanopia (blue-blind)

#3C5D64

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4c557f;
/* rgb */ color: rgb(76, 85, 127);
/* oklch */ color: oklch(46.0% 0.069 274.1);

Tailwind

colors: {
  custom: {
    50: '#8084a4',
    500: '#4c557f',
    950: '#000000',
  },
}

SCSS

$custom: #4c557f;
$custom-light: #8084a4;
$custom-dark: #000000;

JSON

{
  "hex": "#4c557f",
  "rgb": {
    "r": 76,
    "g": 85,
    "b": 127
  },
  "hsl": {
    "h": 229.412,
    "s": 25.123,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46017,
    "c": 0.06948,
    "h": 274.1
  },
  "luminance": 0.09566
}

Semantic roles & 50–950 ramp

primary

#4C557F

secondary

#A6A080

accent

#B166C2

background

#F7F8FA

surface

#EEEFF4

border

#C9CACE

text

#0A0B0F

muted

#7C7C7F

Preview Lab

Preview with #4C557F

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

Preview Lab → · Contrast checker → · Palette generator →