#4E78DB#4E78DB

#4E78DB is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.2% C 0.158 H 264.7°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4E78DB
RGB	rgb(78, 120, 219)
HSL	hsl(222, 66%, 58%)
HSV	hsv(222, 64%, 86%)
CMYK	cmyk(64.4%, 45.2%, 0%, 14.1%)
CIE-LAB	lab(52.02, 16.74, -55.09)
CIE-LCH	lch(52.02, 57.58, 286.90°)
OKLab	oklab(59.22% -0.0145 -0.1575)
OKLCH	oklch(59.22% 0.158 264.7)
XYZ	xyz(22.6401, 20.1650, 69.7032)
Luminance	0.2017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78DB #DBB14E

analogous

#4EBEDB #4E78DB #6A4EDB

triadic

#4E78DB #DB4E78 #78DB4E

tetradic

#4E78DB #DB4EBE #DBB14E #4EDB6A

square

#4E78DB #DB4EBE #DBB14E #4EDB6A

split-complementary

#4E78DB #DB6A4E #BEDB4E

monochromatic

#1E4091 #2856C4 #4E78DB #819FE5 #B4C6F0

Accessibility & contrast

On white

4.17

#4E78DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#4E78DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78DB

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78DB	#FFFFFF	#000000	##000000
##4E78DB	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4883DF

Deuteranopia (green-blind)

#2F76D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4e78db;
/* rgb */ color: rgb(78, 120, 219);
/* oklch */ color: oklch(59.2% 0.158 264.7);

Tailwind

colors: {
  custom: {
    50: '#8d9ee7',
    500: '#4e78db',
    950: '#000000',
  },
}

SCSS

$custom: #4e78db;
$custom-light: #8d9ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78db",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 222.128,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.59216,
    "c": 0.15813,
    "h": 264.7
  },
  "luminance": 0.20167
}

Semantic roles & 50–950 ramp

primary

#4E78DB

secondary

#DECEA6

accent

#B63FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4E78DB

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

Preview Lab → · Contrast checker → · Palette generator →