#4E59B3#4E59B3

#4E59B3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.2% C 0.142 H 274.9°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4E59B3
RGB	rgb(78, 89, 179)
HSL	hsl(233, 40%, 50%)
HSV	hsv(233, 56%, 70%)
CMYK	cmyk(56.4%, 50.3%, 0%, 29.8%)
CIE-LAB	lab(41.24, 22.54, -49.36)
CIE-LCH	lch(41.24, 54.27, 294.54°)
OKLab	oklab(50.22% 0.012 -0.141)
OKLCH	oklch(50.22% 0.142 274.9)
XYZ	xyz(14.8483, 12.0181, 44.1764)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E59B3 #B3A84E

analogous

#4E8CB3 #4E59B3 #754EB3

triadic

#4E59B3 #B34E59 #59B34E

tetradic

#4E59B3 #B34E8C #B3A84E #4EB375

square

#4E59B3 #B34E8C #B3A84E #4EB375

split-complementary

#4E59B3 #B3754E #8CB34E

monochromatic

#282E5E #3B4389 #4E59B3 #7981C5 #A4A9D8

Accessibility & contrast

On white

6.17

#4E59B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4E59B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E59B3

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E59B3	#FFFFFF	#000000	##FFFFFF
##4E59B3	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B6

Deuteranopia (green-blind)

#1B5DB1

Tritanopia (blue-blind)

#156D7D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4e59b3;
/* rgb */ color: rgb(78, 89, 179);
/* oklch */ color: oklch(50.2% 0.142 274.9);

Tailwind

colors: {
  custom: {
    50: '#8887ca',
    500: '#4e59b3',
    950: '#000000',
  },
}

SCSS

$custom: #4e59b3;
$custom-light: #8887ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4e59b3",
  "rgb": {
    "r": 78,
    "g": 89,
    "b": 179
  },
  "hsl": {
    "h": 233.465,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50215,
    "c": 0.14151,
    "h": 274.9
  },
  "luminance": 0.12019
}

Semantic roles & 50–950 ramp

primary

#4E59B3

secondary

#C5C098

accent

#C358D0

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E59B3

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

Preview Lab → · Contrast checker → · Palette generator →