#4D579B#4D579B

#4D579B is a mid, moderate blue. Relative luminance 0.108; OKLCH L 48.2% C 0.109 H 275.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4D579B
RGB	rgb(77, 87, 155)
HSL	hsl(232, 34%, 45%)
HSV	hsv(232, 50%, 61%)
CMYK	cmyk(50.3%, 43.9%, 0%, 39.2%)
CIE-LAB	lab(39.17, 15.66, -38.44)
CIE-LCH	lch(39.17, 41.50, 292.17°)
OKLab	oklab(48.15% 0.0099 -0.109)
OKLCH	oklch(48.15% 0.109 275.2)
XYZ	xyz(12.3833, 10.7600, 32.4284)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D579B #9B914D

analogous

#4D7E9B #4D579B #6A4D9B

triadic

#4D579B #9B4D57 #579B4D

tetradic

#4D579B #9B4D7E #9B914D #4D9B6A

square

#4D579B #9B4D7E #9B914D #4D9B6A

split-complementary

#4D579B #9B6A4D #7E9B4D

monochromatic

#242949 #394072 #4D579B #6E77B7 #979ECB

Accessibility & contrast

On white

6.66

#4D579B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4D579B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D579B

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D579B	#FFFFFF	#000000	##FFFFFF
##4D579B	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C609E

Deuteranopia (green-blind)

#345999

Tritanopia (blue-blind)

#2E6571

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4d579b;
/* rgb */ color: rgb(77, 87, 155);
/* oklch */ color: oklch(48.2% 0.109 275.2);

Tailwind

colors: {
  custom: {
    50: '#8486b9',
    500: '#4d579b',
    950: '#000000',
  },
}

SCSS

$custom: #4d579b;
$custom-light: #8486b9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d579b",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 155
  },
  "hsl": {
    "h": 232.308,
    "s": 33.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48152,
    "c": 0.10942,
    "h": 275.2
  },
  "luminance": 0.10761
}

Semantic roles & 50–950 ramp

primary

#4D579B

secondary

#B8B28C

accent

#BC5ECA

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0B0B11

muted

#7C7C80

Preview Lab

Preview with #4D579B

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

Preview Lab → · Contrast checker → · Palette generator →