#4E81DB#4E81DB

#4E81DB is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.1% C 0.148 H 260.9°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4E81DB
RGB	rgb(78, 129, 219)
HSL	hsl(218, 66%, 58%)
HSV	hsv(218, 64%, 86%)
CMYK	cmyk(64.4%, 41.1%, 0%, 14.1%)
CIE-LAB	lab(54.48, 11.23, -51.16)
CIE-LCH	lch(54.48, 52.38, 282.38°)
OKLab	oklab(61.11% -0.0233 -0.1458)
OKLCH	oklch(61.11% 0.148 260.9)
XYZ	xyz(23.7738, 22.4324, 70.0811)
Luminance	0.2243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81DB #DBA84E

analogous

#4EC7DB #4E81DB #614EDB

triadic

#4E81DB #DB4E81 #81DB4E

tetradic

#4E81DB #DB4EC7 #DBA84E #4EDB61

square

#4E81DB #DB4EC7 #DBA84E #4EDB61

split-complementary

#4E81DB #DB614E #C7DB4E

monochromatic

#1E4791 #2860C4 #4E81DB #81A5E5 #B4C9F0

Accessibility & contrast

On white

3.83

#4E81DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#4E81DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81DB

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81DB	#FFFFFF	#000000	##000000
##4E81DB	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5889DF

Deuteranopia (green-blind)

#437CD9

Tritanopia (blue-blind)

#0096A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4e81db;
/* rgb */ color: rgb(78, 129, 219);
/* oklch */ color: oklch(61.1% 0.148 260.9);

Tailwind

colors: {
  custom: {
    50: '#8da5e6',
    500: '#4e81db',
    950: '#000000',
  },
}

SCSS

$custom: #4e81db;
$custom-light: #8da5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81db",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 219
  },
  "hsl": {
    "h": 218.298,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.6111,
    "c": 0.14764,
    "h": 260.9
  },
  "luminance": 0.22435
}

Semantic roles & 50–950 ramp

primary

#4E81DB

secondary

#DECAA6

accent

#AB3FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4E81DB

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

Preview Lab → · Contrast checker → · Palette generator →