#4A78BE#4A78BE

#4A78BE is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.3% C 0.120 H 258.5°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4A78BE
RGB	rgb(74, 120, 190)
HSL	hsl(216, 47%, 52%)
HSV	hsv(216, 61%, 75%)
CMYK	cmyk(61.1%, 36.8%, 0%, 25.5%)
CIE-LAB	lab(50.22, 6.05, -41.45)
CIE-LCH	lch(50.22, 41.89, 278.30°)
OKLab	oklab(57.25% -0.0238 -0.1175)
OKLCH	oklch(57.25% 0.12 258.5)
XYZ	xyz(18.8315, 18.6048, 51.3039)
Luminance	0.1861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A78BE #BE904A

analogous

#4AB2BE #4A78BE #564ABE

triadic

#4A78BE #BE4A78 #78BE4A

tetradic

#4A78BE #BE4AB2 #BE904A #4ABE56

square

#4A78BE #BE4AB2 #BE904A #4ABE56

split-complementary

#4A78BE #BE564A #B2BE4A

monochromatic

#254068 #365C95 #4A78BE #779ACE #A4BBDE

Accessibility & contrast

On white

4.45

#4A78BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#4A78BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A78BE

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A78BE	#FFFFFF	#000000	##000000
##4A78BE	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7DC1

Deuteranopia (green-blind)

#4B73BD

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4a78be;
/* rgb */ color: rgb(74, 120, 190);
/* oklch */ color: oklch(57.3% 0.120 258.5);

Tailwind

colors: {
  custom: {
    50: '#869ed2',
    500: '#4a78be',
    950: '#000000',
  },
}

SCSS

$custom: #4a78be;
$custom-light: #869ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4a78be",
  "rgb": {
    "r": 74,
    "g": 120,
    "b": 190
  },
  "hsl": {
    "h": 216.207,
    "s": 47.154,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5725,
    "c": 0.11994,
    "h": 258.5
  },
  "luminance": 0.18606
}

Semantic roles & 50–950 ramp

primary

#4A78BE

secondary

#CBB798

accent

#A251D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4A78BE

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

Preview Lab → · Contrast checker → · Palette generator →