#4F577D#4F577D

#4F577D is a mid, moderate blue. Relative luminance 0.100; OKLCH L 46.6% C 0.063 H 274.6°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#4F577D
RGB	rgb(79, 87, 125)
HSL	hsl(230, 23%, 40%)
HSV	hsv(230, 37%, 49%)
CMYK	cmyk(36.8%, 30.4%, 0%, 51%)
CIE-LAB	lab(37.77, 6.87, -22.44)
CIE-LCH	lch(37.77, 23.47, 287.04°)
OKLab	oklab(46.6% 0.005 -0.0624)
OKLCH	oklch(46.6% 0.063 274.6)
XYZ	xyz(10.3332, 9.9589, 20.7759)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F577D #7D754F

analogous

#4F6E7D #4F577D #5E4F7D

triadic

#4F577D #7D4F57 #577D4F

tetradic

#4F577D #7D4F6E #7D754F #4F7D5E

square

#4F577D #7D4F6E #7D754F #4F7D5E

split-complementary

#4F577D #7D5E4F #6E7D4F

monochromatic

#202332 #373D57 #4F577D #6973A0 #8F96B8

Accessibility & contrast

On white

7.02

#4F577D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#4F577D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F577D

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F577D	#FFFFFF	#000000	##FFFFFF
##4F577D	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5B7F

Deuteranopia (green-blind)

#48577C

Tritanopia (blue-blind)

#425E64

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f577d;
/* rgb */ color: rgb(79, 87, 125);
/* oklch */ color: oklch(46.6% 0.063 274.6);

Tailwind

colors: {
  custom: {
    50: '#8286a2',
    500: '#4f577d',
    950: '#000000',
  },
}

SCSS

$custom: #4f577d;
$custom-light: #8286a2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f577d",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 229.565,
    "s": 22.549,
    "l": 40
  },
  "oklch": {
    "l": 0.46601,
    "c": 0.06264,
    "h": 274.6
  },
  "luminance": 0.09959
}

Semantic roles & 50–950 ramp

primary

#4F577D

secondary

#A59F83

accent

#B069BF

background

#F8F8FA

surface

#EFEFF3

border

#CACACD

text

#0A0B0F

muted

#7C7C7F

Preview Lab

Preview with #4F577D

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

Preview Lab → · Contrast checker → · Palette generator →