#4B81E2#4B81E2

#4B81E2 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.4% C 0.158 H 261.1°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4B81E2
RGB	rgb(75, 129, 226)
HSL	hsl(219, 72%, 59%)
HSV	hsv(219, 67%, 89%)
CMYK	cmyk(66.8%, 42.9%, 0%, 11.4%)
CIE-LAB	lab(54.75, 13.16, -54.67)
CIE-LCH	lch(54.75, 56.23, 283.53°)
OKLab	oklab(61.41% -0.0244 -0.1562)
OKLCH	oklch(61.41% 0.158 261.1)
XYZ	xyz(24.4745, 22.6849, 75.0256)
Luminance	0.2269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B81E2 #E2AC4B

analogous

#4BCDE2 #4B81E2 #614BE2

triadic

#4B81E2 #E24B81 #81E24B

tetradic

#4B81E2 #E24BCD #E2AC4B #4BE261

square

#4B81E2 #E24BCD #E2AC4B #4BE261

split-complementary

#4B81E2 #E2614B #CDE24B

monochromatic

#19479A #215FCF #4B81E2 #80A6EA #B4CBF3

Accessibility & contrast

On white

3.79

#4B81E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4B81E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B81E2

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B81E2	#FFFFFF	#000000	##000000
##4B81E2	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#538AE6

Deuteranopia (green-blind)

#397DE0

Tritanopia (blue-blind)

#0097A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4b81e2;
/* rgb */ color: rgb(75, 129, 226);
/* oklch */ color: oklch(61.4% 0.158 261.1);

Tailwind

colors: {
  custom: {
    50: '#8da5ec',
    500: '#4b81e2',
    950: '#000000',
  },
}

SCSS

$custom: #4b81e2;
$custom-light: #8da5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4b81e2",
  "rgb": {
    "r": 75,
    "g": 129,
    "b": 226
  },
  "hsl": {
    "h": 218.543,
    "s": 72.249,
    "l": 59.02
  },
  "oklch": {
    "l": 0.61405,
    "c": 0.15805,
    "h": 261.1
  },
  "luminance": 0.22687
}

Semantic roles & 50–950 ramp

primary

#4B81E2

secondary

#E2CDA7

accent

#AE39EF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4B81E2

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

Preview Lab → · Contrast checker → · Palette generator →