#4E78BA#4E78BA

#4E78BA is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.2% C 0.113 H 259.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4E78BA
RGB	rgb(78, 120, 186)
HSL	hsl(217, 44%, 52%)
HSV	hsv(217, 58%, 73%)
CMYK	cmyk(58.1%, 35.5%, 0%, 27.1%)
CIE-LAB	lab(50.21, 5.51, -39.16)
CIE-LCH	lch(50.21, 39.54, 278.01°)
OKLab	oklab(57.23% -0.0213 -0.1108)
OKLCH	oklch(57.23% 0.113 259.1)
XYZ	xyz(18.7182, 18.5962, 49.0479)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78BA #BA904E

analogous

#4EAEBA #4E78BA #5A4EBA

triadic

#4E78BA #BA4E78 #78BA4E

tetradic

#4E78BA #BA4EAE #BA904E #4EBA5A

square

#4E78BA #BA4EAE #BA904E #4EBA5A

split-complementary

#4E78BA #BA5A4E #AEBA4E

monochromatic

#284066 #395C92 #4E78BA #7A9ACB #A6BBDC

Accessibility & contrast

On white

4.45

#4E78BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#4E78BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78BA

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78BA	#FFFFFF	#000000	##000000
##4E78BA	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)

#5D7DBD

Deuteranopia (green-blind)

#4F73B9

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4e78ba;
/* rgb */ color: rgb(78, 120, 186);
/* oklch */ color: oklch(57.2% 0.113 259.1);

Tailwind

colors: {
  custom: {
    50: '#889ecf',
    500: '#4e78ba',
    950: '#000000',
  },
}

SCSS

$custom: #4e78ba;
$custom-light: #889ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78ba",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 186
  },
  "hsl": {
    "h": 216.667,
    "s": 43.902,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57227,
    "c": 0.1128,
    "h": 259.1
  },
  "luminance": 0.18598
}

Semantic roles & 50–950 ramp

primary

#4E78BA

secondary

#CAB79A

accent

#A254D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4E78BA

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

Preview Lab → · Contrast checker → · Palette generator →