#4F577A#4F577A

#4F577A is a mid, muted blue. Relative luminance 0.099; OKLCH L 46.5% C 0.058 H 274.0°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#4F577A
RGB	rgb(79, 87, 122)
HSL	hsl(229, 21%, 39%)
HSV	hsv(229, 35%, 48%)
CMYK	cmyk(35.2%, 28.7%, 0%, 52.2%)
CIE-LAB	lab(37.63, 6.00, -20.80)
CIE-LCH	lch(37.63, 21.65, 286.09°)
OKLab	oklab(46.45% 0.0041 -0.0578)
OKLCH	oklch(46.45% 0.058 274)
XYZ	xyz(10.1445, 9.8834, 19.7818)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F577A #7A724F

analogous

#4F6D7A #4F577A #5D4F7A

triadic

#4F577A #7A4F57 #577A4F

tetradic

#4F577A #7A4F6D #7A724F #4F7A5D

square

#4F577A #7A4F6D #7A724F #4F7A5D

split-complementary

#4F577A #7A5D4F #6D7A4F

monochromatic

#1F2230 #373D55 #4F577A #69729E #8E95B6

Accessibility & contrast

On white

7.05

#4F577A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4F577A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F577A

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F577A	#FFFFFF	#000000	##FFFFFF
##4F577A	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5A7C

Deuteranopia (green-blind)

#495779

Tritanopia (blue-blind)

#435E63

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f577a;
/* rgb */ color: rgb(79, 87, 122);
/* oklch */ color: oklch(46.5% 0.058 274.0);

Tailwind

colors: {
  custom: {
    50: '#8286a0',
    500: '#4f577a',
    950: '#000000',
  },
}

SCSS

$custom: #4f577a;
$custom-light: #8286a0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f577a",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 122
  },
  "hsl": {
    "h": 228.837,
    "s": 21.393,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4645,
    "c": 0.0579,
    "h": 274
  },
  "luminance": 0.09884
}

Semantic roles & 50–950 ramp

primary

#4F577A

secondary

#A39D82

accent

#AE6ABE

background

#F8F8F9

surface

#EFEFF2

border

#CACACC

text

#0A0B0E

muted

#7C7C7E

Preview Lab

Preview with #4F577A

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

Preview Lab → · Contrast checker → · Palette generator →