#4B579A#4B579A

#4B579A is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.9% C 0.108 H 274.0°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#4B579A
RGB	rgb(75, 87, 154)
HSL	hsl(231, 34%, 45%)
HSV	hsv(231, 51%, 60%)
CMYK	cmyk(51.3%, 43.5%, 0%, 39.6%)
CIE-LAB	lab(38.98, 14.85, -38.16)
CIE-LCH	lch(38.98, 40.95, 291.26°)
OKLab	oklab(47.95% 0.0075 -0.1082)
OKLCH	oklch(47.95% 0.108 274)
XYZ	xyz(12.1407, 10.6446, 31.9805)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B579A #9A8E4B

analogous

#4B7F9A #4B579A #664B9A

triadic

#4B579A #9A4B57 #579A4B

tetradic

#4B579A #9A4B7F #9A8E4B #4B9A66

square

#4B579A #9A4B7F #9A8E4B #4B9A66

split-complementary

#4B579A #9A664B #7F9A4B

monochromatic

#232848 #374071 #4B579A #6B77B7 #949DCB

Accessibility & contrast

On white

6.71

#4B579A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#4B579A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B579A

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B579A	#FFFFFF	#000000	##FFFFFF
##4B579A	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5F9D

Deuteranopia (green-blind)

#345999

Tritanopia (blue-blind)

#2A6571

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4b579a;
/* rgb */ color: rgb(75, 87, 154);
/* oklch */ color: oklch(47.9% 0.108 274.0);

Tailwind

colors: {
  custom: {
    50: '#8286b8',
    500: '#4b579a',
    950: '#000000',
  },
}

SCSS

$custom: #4b579a;
$custom-light: #8286b8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b579a",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 154
  },
  "hsl": {
    "h": 230.886,
    "s": 34.498,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47945,
    "c": 0.10846,
    "h": 274
  },
  "luminance": 0.10645
}

Semantic roles & 50–950 ramp

primary

#4B579A

secondary

#B7B08A

accent

#BA5DCB

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0B0B11

muted

#7C7C80

Preview Lab

Preview with #4B579A

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

Preview Lab → · Contrast checker → · Palette generator →