#4F558D#4F558D

#4F558D is a mid, moderate blue. Relative luminance 0.101; OKLCH L 47.0% C 0.091 H 277.7°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4F558D
RGB	rgb(79, 85, 141)
HSL	hsl(234, 28%, 43%)
HSV	hsv(234, 44%, 55%)
CMYK	cmyk(44%, 39.7%, 0%, 44.7%)
CIE-LAB	lab(37.99, 13.00, -31.86)
CIE-LCH	lch(37.99, 34.41, 292.19°)
OKLab	oklab(47.03% 0.0121 -0.0897)
OKLCH	oklch(47.03% 0.091 277.7)
XYZ	xyz(11.2792, 10.0818, 26.5458)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F558D #8D874F

analogous

#4F748D #4F558D #684F8D

triadic

#4F558D #8D4F55 #558D4F

tetradic

#4F558D #8D4F74 #8D874F #4F8D68

square

#4F558D #8D4F74 #8D874F #4F8D68

split-complementary

#4F558D #8D684F #748D4F

monochromatic

#23263F #393D66 #4F558D #6C73AD #9498C3

Accessibility & contrast

On white

6.96

#4F558D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4F558D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F558D

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F558D	#FFFFFF	#000000	##FFFFFF
##4F558D	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415C8F

Deuteranopia (green-blind)

#3D578C

Tritanopia (blue-blind)

#3B606A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f558d;
/* rgb */ color: rgb(79, 85, 141);
/* oklch */ color: oklch(47.0% 0.091 277.7);

Tailwind

colors: {
  custom: {
    50: '#8384ae',
    500: '#4f558d',
    950: '#000000',
  },
}

SCSS

$custom: #4f558d;
$custom-light: #8384ae;
$custom-dark: #000000;

JSON

{
  "hex": "#4f558d",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 141
  },
  "hsl": {
    "h": 234.194,
    "s": 28.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.47031,
    "c": 0.09052,
    "h": 277.7
  },
  "luminance": 0.10082
}

Semantic roles & 50–950 ramp

primary

#4F558D

secondary

#AFAC88

accent

#BB63C4

background

#F8F8FA

surface

#EFEFF4

border

#CACACE

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #4F558D

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

Preview Lab → · Contrast checker → · Palette generator →