#4E59CB#4E59CB

#4E59CB is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.0% C 0.175 H 274.4°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4E59CB
RGB	rgb(78, 89, 203)
HSL	hsl(235, 55%, 55%)
HSV	hsv(235, 62%, 80%)
CMYK	cmyk(61.6%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(42.88, 30.62, -60.70)
CIE-LCH	lch(42.88, 67.99, 296.77°)
OKLab	oklab(51.96% 0.0135 -0.1744)
OKLCH	oklch(51.96% 0.175 274.4)
XYZ	xyz(17.4902, 13.0748, 58.0903)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E59CB #CBC04E

analogous

#4E97CB #4E59CB #814ECB

triadic

#4E59CB #CB4E59 #59CB4E

tetradic

#4E59CB #CB4E97 #CBC04E #4ECB81

square

#4E59CB #CB4E97 #CBC04E #4ECB81

split-complementary

#4E59CB #CB814E #97CB4E

monochromatic

#242C7B #323CAA #4E59CB #7D85D9 #ADB2E7

Accessibility & contrast

On white

5.81

#4E59CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4E59CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E59CB

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E59CB	#FFFFFF	#000000	##FFFFFF
##4E59CB	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCF

Deuteranopia (green-blind)

#0060C9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4e59cb;
/* rgb */ color: rgb(78, 89, 203);
/* oklch */ color: oklch(52.0% 0.175 274.4);

Tailwind

colors: {
  custom: {
    50: '#8c87dc',
    500: '#4e59cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e59cb;
$custom-light: #8c87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e59cb",
  "rgb": {
    "r": 78,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 234.72,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51958,
    "c": 0.17488,
    "h": 274.4
  },
  "luminance": 0.13076
}

Semantic roles & 50–950 ramp

primary

#4E59CB

secondary

#D5D0A0

accent

#D14ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4E59CB

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

Preview Lab → · Contrast checker → · Palette generator →