#4E59B9#4E59B9

#4E59B9 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.6% C 0.150 H 274.8°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4E59B9
RGB	rgb(78, 89, 185)
HSL	hsl(234, 43%, 52%)
HSV	hsv(234, 58%, 73%)
CMYK	cmyk(57.8%, 51.9%, 0%, 27.5%)
CIE-LAB	lab(41.64, 24.55, -52.25)
CIE-LCH	lch(41.64, 57.73, 295.17°)
OKLab	oklab(50.64% 0.0126 -0.1495)
OKLCH	oklch(50.64% 0.15 274.8)
XYZ	xyz(15.4684, 12.2661, 47.4420)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E59B9 #B9AE4E

analogous

#4E8FB9 #4E59B9 #794EB9

triadic

#4E59B9 #B94E59 #59B94E

tetradic

#4E59B9 #B94E8F #B9AE4E #4EB979

square

#4E59B9 #B94E8F #B9AE4E #4EB979

split-complementary

#4E59B9 #B9794E #8FB94E

monochromatic

#282E65 #394291 #4E59B9 #7A82CA #A6ABDC

Accessibility & contrast

On white

6.08

#4E59B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4E59B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E59B9

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E59B9	#FFFFFF	#000000	##FFFFFF
##4E59B9	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2467BC

Deuteranopia (green-blind)

#0B5EB7

Tritanopia (blue-blind)

#046F80

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4e59b9;
/* rgb */ color: rgb(78, 89, 185);
/* oklch */ color: oklch(50.6% 0.150 274.8);

Tailwind

colors: {
  custom: {
    50: '#8987cf',
    500: '#4e59b9',
    950: '#000000',
  },
}

SCSS

$custom: #4e59b9;
$custom-light: #8987cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e59b9",
  "rgb": {
    "r": 78,
    "g": 89,
    "b": 185
  },
  "hsl": {
    "h": 233.832,
    "s": 43.32,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50635,
    "c": 0.15003,
    "h": 274.8
  },
  "luminance": 0.12267
}

Semantic roles & 50–950 ramp

primary

#4E59B9

secondary

#C9C49A

accent

#C655D3

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4E59B9

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

Preview Lab → · Contrast checker → · Palette generator →