#4A78BF#4A78BF

#4A78BF is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.3% C 0.121 H 258.8°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4A78BF
RGB	rgb(74, 120, 191)
HSL	hsl(216, 48%, 52%)
HSV	hsv(216, 61%, 75%)
CMYK	cmyk(61.3%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(50.27, 6.39, -41.95)
CIE-LCH	lch(50.27, 42.43, 278.66°)
OKLab	oklab(57.31% -0.0236 -0.119)
OKLCH	oklch(57.31% 0.121 258.8)
XYZ	xyz(18.9412, 18.6487, 51.8815)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A78BF #BF914A

analogous

#4AB3BF #4A78BF #574ABF

triadic

#4A78BF #BF4A78 #78BF4A

tetradic

#4A78BF #BF4AB3 #BF914A #4ABF57

square

#4A78BF #BF4AB3 #BF914A #4ABF57

split-complementary

#4A78BF #BF574A #B3BF4A

monochromatic

#254069 #355C97 #4A78BF #779ACF #A4BBDF

Accessibility & contrast

On white

4.44

#4A78BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4A78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A78BF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A78BF	#FFFFFF	#000000	##000000
##4A78BF	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)

#5A7EC2

Deuteranopia (green-blind)

#4A73BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4a78bf;
/* rgb */ color: rgb(74, 120, 191);
/* oklch */ color: oklch(57.3% 0.121 258.8);

Tailwind

colors: {
  custom: {
    50: '#879ed2',
    500: '#4a78bf',
    950: '#000000',
  },
}

SCSS

$custom: #4a78bf;
$custom-light: #879ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4a78bf",
  "rgb": {
    "r": 74,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 216.41,
    "s": 47.755,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57307,
    "c": 0.1213,
    "h": 258.8
  },
  "luminance": 0.1865
}

Semantic roles & 50–950 ramp

primary

#4A78BF

secondary

#CCB899

accent

#A250D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4A78BF

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

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