#4F579D#4F579D

#4F579D is a mid, moderate blue. Relative luminance 0.109; OKLCH L 48.4% C 0.112 H 276.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#4F579D
RGB	rgb(79, 87, 157)
HSL	hsl(234, 33%, 46%)
HSV	hsv(234, 50%, 62%)
CMYK	cmyk(49.7%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(39.43, 16.80, -39.21)
CIE-LCH	lch(39.43, 42.66, 293.19°)
OKLab	oklab(48.42% 0.0126 -0.1112)
OKLCH	oklch(48.42% 0.112 276.5)
XYZ	xyz(12.7166, 10.9122, 33.3280)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F579D #9D954F

analogous

#4F7E9D #4F579D #6E4F9D

triadic

#4F579D #9D4F57 #579D4F

tetradic

#4F579D #9D4F7E #9D954F #4F9D6E

square

#4F579D #9D4F7E #9D954F #4F9D6E

split-complementary

#4F579D #9D6E4F #7E9D4F

monochromatic

#262A4C #3B4074 #4F579D #7179B8 #9A9FCC

Accessibility & contrast

On white

6.60

#4F579D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#4F579D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F579D

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F579D	#FFFFFF	#000000	##FFFFFF
##4F579D	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B60A0

Deuteranopia (green-blind)

#345A9B

Tritanopia (blue-blind)

#316672

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4f579d;
/* rgb */ color: rgb(79, 87, 157);
/* oklch */ color: oklch(48.4% 0.112 276.5);

Tailwind

colors: {
  custom: {
    50: '#8586ba',
    500: '#4f579d',
    950: '#000000',
  },
}

SCSS

$custom: #4f579d;
$custom-light: #8586ba;
$custom-dark: #000000;

JSON

{
  "hex": "#4f579d",
  "rgb": {
    "r": 79,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 233.846,
    "s": 33.051,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48424,
    "c": 0.11191,
    "h": 276.5
  },
  "luminance": 0.10913
}

Semantic roles & 50–950 ramp

primary

#4F579D

secondary

#B9B58F

accent

#BE5FC9

background

#F8F8FB

surface

#F0EFF6

border

#CBCAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4F579D

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

Preview Lab → · Contrast checker → · Palette generator →