#4E579B#4E579B

#4E579B is a mid, moderate blue. Relative luminance 0.108; OKLCH L 48.2% C 0.109 H 275.8°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#4E579B
RGB	rgb(78, 87, 155)
HSL	hsl(233, 33%, 46%)
HSV	hsv(233, 50%, 61%)
CMYK	cmyk(49.7%, 43.9%, 0%, 39.2%)
CIE-LAB	lab(39.24, 15.90, -38.32)
CIE-LCH	lch(39.24, 41.49, 292.54°)
OKLab	oklab(48.23% 0.0111 -0.1086)
OKLCH	oklch(48.23% 0.109 275.8)
XYZ	xyz(12.4646, 10.8019, 32.4322)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E579B #9B924E

analogous

#4E7D9B #4E579B #6B4E9B

triadic

#4E579B #9B4E57 #579B4E

tetradic

#4E579B #9B4E7D #9B924E #4E9B6B

square

#4E579B #9B4E7D #9B924E #4E9B6B

split-complementary

#4E579B #9B6B4E #7D9B4E

monochromatic

#25294A #3A4072 #4E579B #6F78B7 #989ECB

Accessibility & contrast

On white

6.64

#4E579B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4E579B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E579B

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E579B	#FFFFFF	#000000	##FFFFFF
##4E579B	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C609E

Deuteranopia (green-blind)

#355999

Tritanopia (blue-blind)

#306571

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4e579b;
/* rgb */ color: rgb(78, 87, 155);
/* oklch */ color: oklch(48.2% 0.109 275.8);

Tailwind

colors: {
  custom: {
    50: '#8486b9',
    500: '#4e579b',
    950: '#000000',
  },
}

SCSS

$custom: #4e579b;
$custom-light: #8486b9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e579b",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 155
  },
  "hsl": {
    "h": 232.987,
    "s": 33.047,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48225,
    "c": 0.10916,
    "h": 275.8
  },
  "luminance": 0.10803
}

Semantic roles & 50–950 ramp

primary

#4E579B

secondary

#B8B38D

accent

#BD5FC9

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0B0B11

muted

#7C7C80

Preview Lab

Preview with #4E579B

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

Preview Lab → · Contrast checker → · Palette generator →