#4B78BE#4B78BE

#4B78BE is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.3% C 0.120 H 258.9°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4B78BE
RGB	rgb(75, 120, 190)
HSL	hsl(217, 47%, 52%)
HSV	hsv(217, 61%, 75%)
CMYK	cmyk(60.5%, 36.8%, 0%, 25.5%)
CIE-LAB	lab(50.27, 6.24, -41.38)
CIE-LCH	lch(50.27, 41.85, 278.58°)
OKLab	oklab(57.3% -0.023 -0.1173)
OKLCH	oklch(57.3% 0.12 258.9)
XYZ	xyz(18.9091, 18.6448, 51.3075)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B78BE #BE914B

analogous

#4BB2BE #4B78BE #584BBE

triadic

#4B78BE #BE4B78 #78BE4B

tetradic

#4B78BE #BE4BB2 #BE914B #4BBE58

square

#4B78BE #BE4BB2 #BE914B #4BBE58

split-complementary

#4B78BE #BE584B #B2BE4B

monochromatic

#264069 #365C96 #4B78BE #789ACE #A5BBDE

Accessibility & contrast

On white

4.44

#4B78BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4B78BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B78BE

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B78BE	#FFFFFF	#000000	##000000
##4B78BE	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC1

Deuteranopia (green-blind)

#4B73BD

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b78be;
/* rgb */ color: rgb(75, 120, 190);
/* oklch */ color: oklch(57.3% 0.120 258.9);

Tailwind

colors: {
  custom: {
    50: '#879ed2',
    500: '#4b78be',
    950: '#000000',
  },
}

SCSS

$custom: #4b78be;
$custom-light: #879ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b78be",
  "rgb": {
    "r": 75,
    "g": 120,
    "b": 190
  },
  "hsl": {
    "h": 216.522,
    "s": 46.939,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57299,
    "c": 0.11952,
    "h": 258.9
  },
  "luminance": 0.18647
}

Semantic roles & 50–950 ramp

primary

#4B78BE

secondary

#CCB899

accent

#A251D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4B78BE

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

Preview Lab → · Contrast checker → · Palette generator →