#4C579B#4C579B

#4C579B is a mid, moderate blue. Relative luminance 0.107; OKLCH L 48.1% C 0.110 H 274.6°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4C579B
RGB	rgb(76, 87, 155)
HSL	hsl(232, 34%, 45%)
HSV	hsv(232, 51%, 61%)
CMYK	cmyk(51%, 43.9%, 0%, 39.2%)
CIE-LAB	lab(39.10, 15.42, -38.55)
CIE-LCH	lch(39.10, 41.52, 291.80°)
OKLab	oklab(48.08% 0.0088 -0.1093)
OKLCH	oklch(48.08% 0.11 274.6)
XYZ	xyz(12.3032, 10.7187, 32.4246)
Luminance	0.1072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C579B #9B904C

analogous

#4C7E9B #4C579B #694C9B

triadic

#4C579B #9B4C57 #579B4C

tetradic

#4C579B #9B4C7E #9B904C #4C9B69

square

#4C579B #9B4C7E #9B904C #4C9B69

split-complementary

#4C579B #9B694C #7E9B4C

monochromatic

#242949 #384072 #4C579B #6D77B7 #969DCB

Accessibility & contrast

On white

6.68

#4C579B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4C579B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C579B

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C579B	#FFFFFF	#000000	##FFFFFF
##4C579B	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B609E

Deuteranopia (green-blind)

#345999

Tritanopia (blue-blind)

#2C6571

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4c579b;
/* rgb */ color: rgb(76, 87, 155);
/* oklch */ color: oklch(48.1% 0.110 274.6);

Tailwind

colors: {
  custom: {
    50: '#8386b9',
    500: '#4c579b',
    950: '#000000',
  },
}

SCSS

$custom: #4c579b;
$custom-light: #8386b9;
$custom-dark: #000000;

JSON

{
  "hex": "#4c579b",
  "rgb": {
    "r": 76,
    "g": 87,
    "b": 155
  },
  "hsl": {
    "h": 231.646,
    "s": 34.199,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48079,
    "c": 0.10968,
    "h": 274.6
  },
  "luminance": 0.10719
}

Semantic roles & 50–950 ramp

primary

#4C579B

secondary

#B8B28B

accent

#BB5ECA

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0B0B11

muted

#7C7C80

Preview Lab

Preview with #4C579B

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

Preview Lab → · Contrast checker → · Palette generator →