#4282E2#4282E2

#4282E2 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.2% C 0.160 H 258.5°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4282E2
RGB	rgb(66, 130, 226)
HSL	hsl(216, 73%, 57%)
HSV	hsv(216, 71%, 89%)
CMYK	cmyk(70.8%, 42.5%, 0%, 11.4%)
CIE-LAB	lab(54.67, 11.20, -54.81)
CIE-LCH	lch(54.67, 55.95, 281.55°)
OKLab	oklab(61.25% -0.032 -0.1567)
OKLCH	oklch(61.25% 0.16 258.5)
XYZ	xyz(23.9519, 22.6119, 75.0390)
Luminance	0.2261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282E2 #E2A242

analogous

#42D2E2 #4282E2 #5242E2

triadic

#4282E2 #E24282 #82E242

tetradic

#4282E2 #E242D2 #E2A242 #42E252

square

#4282E2 #E242D2 #E2A242 #42E252

split-complementary

#4282E2 #E25242 #D2E242

monochromatic

#174893 #1F62C8 #4282E2 #77A5EA #ACC8F2

Accessibility & contrast

On white

3.80

#4282E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4282E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282E2

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282E2	#FFFFFF	#000000	##000000
##4282E2	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#538BE6

Deuteranopia (green-blind)

#377CE0

Tritanopia (blue-blind)

#0098A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4282e2;
/* rgb */ color: rgb(66, 130, 226);
/* oklch */ color: oklch(61.2% 0.160 258.5);

Tailwind

colors: {
  custom: {
    50: '#89a5ec',
    500: '#4282e2',
    950: '#000000',
  },
}

SCSS

$custom: #4282e2;
$custom-light: #89a5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4282e2",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 226
  },
  "hsl": {
    "h": 216,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.61249,
    "c": 0.15994,
    "h": 258.5
  },
  "luminance": 0.22615
}

Semantic roles & 50–950 ramp

primary

#4282E2

secondary

#E0C69F

accent

#A638F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4282E2

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

Preview Lab → · Contrast checker → · Palette generator →