#4C78BD#4C78BD

#4C78BD is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.3% C 0.118 H 259.1°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4C78BD
RGB	rgb(76, 120, 189)
HSL	hsl(217, 46%, 52%)
HSV	hsv(217, 60%, 74%)
CMYK	cmyk(59.8%, 36.5%, 0%, 25.9%)
CIE-LAB	lab(50.27, 6.10, -40.80)
CIE-LCH	lch(50.27, 41.26, 278.51°)
OKLab	oklab(57.29% -0.0223 -0.1156)
OKLCH	oklch(57.29% 0.118 259.1)
XYZ	xyz(18.8790, 18.6419, 50.7376)
Luminance	0.1864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78BD #BD914C

analogous

#4CB1BD #4C78BD #594CBD

triadic

#4C78BD #BD4C78 #78BD4C

tetradic

#4C78BD #BD4CB1 #BD914C #4CBD59

square

#4C78BD #BD4CB1 #BD914C #4CBD59

split-complementary

#4C78BD #BD594C #B1BD4C

monochromatic

#264068 #375C95 #4C78BD #799ACD #A5BBDE

Accessibility & contrast

On white

4.44

#4C78BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4C78BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C78BD

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78BD	#FFFFFF	#000000	##000000
##4C78BD	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)

#5B7DC0

Deuteranopia (green-blind)

#4C73BC

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4c78bd;
/* rgb */ color: rgb(76, 120, 189);
/* oklch */ color: oklch(57.3% 0.118 259.1);

Tailwind

colors: {
  custom: {
    50: '#879ed1',
    500: '#4c78bd',
    950: '#000000',
  },
}

SCSS

$custom: #4c78bd;
$custom-light: #879ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78bd",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 189
  },
  "hsl": {
    "h": 216.637,
    "s": 46.122,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57293,
    "c": 0.11774,
    "h": 259.1
  },
  "luminance": 0.18644
}

Semantic roles & 50–950 ramp

primary

#4C78BD

secondary

#CBB89A

accent

#A252D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4C78BD

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

Preview Lab → · Contrast checker → · Palette generator →