#4E59B4#4E59B4

#4E59B4 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.143 H 274.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4E59B4
RGB	rgb(78, 89, 180)
HSL	hsl(234, 40%, 51%)
HSV	hsv(234, 57%, 71%)
CMYK	cmyk(56.7%, 50.6%, 0%, 29.4%)
CIE-LAB	lab(41.31, 22.88, -49.85)
CIE-LCH	lch(41.31, 54.85, 294.65°)
OKLab	oklab(50.28% 0.0121 -0.1424)
OKLCH	oklch(50.28% 0.143 274.9)
XYZ	xyz(14.9498, 12.0587, 44.7109)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E59B4 #B4A94E

analogous

#4E8CB4 #4E59B4 #764EB4

triadic

#4E59B4 #B44E59 #59B44E

tetradic

#4E59B4 #B44E8C #B4A94E #4EB476

square

#4E59B4 #B44E8C #B4A94E #4EB476

split-complementary

#4E59B4 #B4764E #8CB44E

monochromatic

#282E5F #3B438A #4E59B4 #7981C6 #A4AAD8

Accessibility & contrast

On white

6.15

#4E59B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4E59B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E59B4

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E59B4	#FFFFFF	#000000	##FFFFFF
##4E59B4	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A66B7

Deuteranopia (green-blind)

#195DB2

Tritanopia (blue-blind)

#136D7E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4e59b4;
/* rgb */ color: rgb(78, 89, 180);
/* oklch */ color: oklch(50.3% 0.143 274.9);

Tailwind

colors: {
  custom: {
    50: '#8887cb',
    500: '#4e59b4',
    950: '#000000',
  },
}

SCSS

$custom: #4e59b4;
$custom-light: #8887cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e59b4",
  "rgb": {
    "r": 78,
    "g": 89,
    "b": 180
  },
  "hsl": {
    "h": 233.529,
    "s": 40.476,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50284,
    "c": 0.14294,
    "h": 274.9
  },
  "luminance": 0.1206
}

Semantic roles & 50–950 ramp

primary

#4E59B4

secondary

#C6C198

accent

#C357D0

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4E59B4

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

Preview Lab → · Contrast checker → · Palette generator →