#4F577E#4F577E

#4F577E is a mid, moderate blue. Relative luminance 0.100; OKLCH L 46.7% C 0.064 H 274.8°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#4F577E
RGB	rgb(79, 87, 126)
HSL	hsl(230, 23%, 40%)
HSV	hsv(230, 37%, 49%)
CMYK	cmyk(37.3%, 31%, 0%, 50.6%)
CIE-LAB	lab(37.81, 7.17, -22.98)
CIE-LCH	lch(37.81, 24.07, 287.33°)
OKLab	oklab(46.65% 0.0053 -0.064)
OKLCH	oklch(46.65% 0.064 274.8)
XYZ	xyz(10.3974, 9.9846, 21.1140)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F577E #7E764F

analogous

#4F6F7E #4F577E #5E4F7E

triadic

#4F577E #7E4F57 #577E4F

tetradic

#4F577E #7E4F6F #7E764F #4F7E5E

square

#4F577E #7E4F6F #7E764F #4F7E5E

split-complementary

#4F577E #7E5E4F #6F7E4F

monochromatic

#202333 #373D58 #4F577E #6973A1 #8F96B9

Accessibility & contrast

On white

7.01

#4F577E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#4F577E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F577E

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F577E	#FFFFFF	#000000	##FFFFFF
##4F577E	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5B80

Deuteranopia (green-blind)

#47577D

Tritanopia (blue-blind)

#415F65

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f577e;
/* rgb */ color: rgb(79, 87, 126);
/* oklch */ color: oklch(46.7% 0.064 274.8);

Tailwind

colors: {
  custom: {
    50: '#8286a3',
    500: '#4f577e',
    950: '#000000',
  },
}

SCSS

$custom: #4f577e;
$custom-light: #8286a3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f577e",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 126
  },
  "hsl": {
    "h": 229.787,
    "s": 22.927,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46652,
    "c": 0.06422,
    "h": 274.8
  },
  "luminance": 0.09985
}

Semantic roles & 50–950 ramp

primary

#4F577E

secondary

#A6A083

accent

#B168BF

background

#F8F8FA

surface

#EFEFF4

border

#CACACE

text

#0A0B0F

muted

#7C7C7F

Preview Lab

Preview with #4F577E

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

Preview Lab → · Contrast checker → · Palette generator →