#4D78DB#4D78DB

#4D78DB is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.2% C 0.158 H 264.4°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4D78DB
RGB	rgb(77, 120, 219)
HSL	hsl(222, 66%, 58%)
HSV	hsv(222, 65%, 86%)
CMYK	cmyk(64.8%, 45.2%, 0%, 14.1%)
CIE-LAB	lab(51.98, 16.57, -55.17)
CIE-LCH	lch(51.98, 57.60, 286.72°)
OKLab	oklab(59.17% -0.0154 -0.1577)
OKLCH	oklch(59.17% 0.158 264.4)
XYZ	xyz(22.5588, 20.1231, 69.6994)
Luminance	0.2013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D78DB #DBB04D

analogous

#4DBFDB #4D78DB #694DDB

triadic

#4D78DB #DB4D78 #78DB4D

tetradic

#4D78DB #DB4DBF #DBB04D #4DDB69

square

#4D78DB #DB4DBF #DBB04D #4DDB69

split-complementary

#4D78DB #DB694D #BFDB4D

monochromatic

#1D4090 #2757C3 #4D78DB #809FE5 #B3C5F0

Accessibility & contrast

On white

4.18

#4D78DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#4D78DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D78DB

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D78DB	#FFFFFF	#000000	##000000
##4D78DB	1.00	4.18	5.03	5.03
#FFFFFF	4.18	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)

#4783DF

Deuteranopia (green-blind)

#2E76D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4d78db;
/* rgb */ color: rgb(77, 120, 219);
/* oklch */ color: oklch(59.2% 0.158 264.4);

Tailwind

colors: {
  custom: {
    50: '#8d9ee7',
    500: '#4d78db',
    950: '#000000',
  },
}

SCSS

$custom: #4d78db;
$custom-light: #8d9ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4d78db",
  "rgb": {
    "r": 77,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 221.831,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59167,
    "c": 0.15846,
    "h": 264.4
  },
  "luminance": 0.20125
}

Semantic roles & 50–950 ramp

primary

#4D78DB

secondary

#DECDA6

accent

#B63FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4D78DB

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

Preview Lab → · Contrast checker → · Palette generator →