#4E75CC#4E75CC

#4E75CC is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.6% C 0.141 H 264.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4E75CC
RGB	rgb(78, 117, 204)
HSL	hsl(221, 55%, 55%)
HSV	hsv(221, 62%, 80%)
CMYK	cmyk(61.8%, 42.6%, 0%, 20%)
CIE-LAB	lab(50.33, 13.43, -49.28)
CIE-LCH	lch(50.33, 51.08, 285.25°)
OKLab	oklab(57.64% -0.0141 -0.1404)
OKLCH	oklch(57.64% 0.141 264.3)
XYZ	xyz(20.3985, 18.7001, 59.6495)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E75CC #CCA54E

analogous

#4EB4CC #4E75CC #664ECC

triadic

#4E75CC #CC4E75 #75CC4E

tetradic

#4E75CC #CC4EB4 #CCA54E #4ECC66

square

#4E75CC #CC4EB4 #CCA54E #4ECC66

split-complementary

#4E75CC #CC664E #B4CC4E

monochromatic

#243F7C #3157AB #4E75CC #7E9ADA #ADBFE7

Accessibility & contrast

On white

4.43

#4E75CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4E75CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E75CC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E75CC	#FFFFFF	#000000	##000000
##4E75CC	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7ECF

Deuteranopia (green-blind)

#3B72CA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4e75cc;
/* rgb */ color: rgb(78, 117, 204);
/* oklch */ color: oklch(57.6% 0.141 264.3);

Tailwind

colors: {
  custom: {
    50: '#8b9cdc',
    500: '#4e75cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e75cc;
$custom-light: #8b9cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e75cc",
  "rgb": {
    "r": 78,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 221.429,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.57637,
    "c": 0.14114,
    "h": 264.3
  },
  "luminance": 0.18702
}

Semantic roles & 50–950 ramp

primary

#4E75CC

secondary

#D5C5A1

accent

#B049DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #4E75CC

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

Preview Lab → · Contrast checker → · Palette generator →