#4282DC#4282DC

#4282DC is a mid, vivid blue. Relative luminance 0.223; OKLCH L 60.9% C 0.152 H 257.4°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4282DC
RGB	rgb(66, 130, 220)
HSL	hsl(215, 69%, 56%)
HSV	hsv(215, 70%, 86%)
CMYK	cmyk(70%, 40.9%, 0%, 13.7%)
CIE-LAB	lab(54.33, 9.07, -51.99)
CIE-LCH	lch(54.33, 52.78, 279.89°)
OKLab	oklab(60.88% -0.0332 -0.1484)
OKLCH	oklch(60.88% 0.152 257.4)
XYZ	xyz(23.1430, 22.2884, 70.7787)
Luminance	0.2229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4282DC #DC9C42

analogous

#42CFDC #4282DC #4F42DC

triadic

#4282DC #DC4282 #82DC42

tetradic

#4282DC #DC42CF #DC9C42 #42DC4F

square

#4282DC #DC42CF #DC9C42 #42DC4F

split-complementary

#4282DC #DC4F42 #CFDC42

monochromatic

#1A488A #2363BE #4282DC #76A4E6 #A9C6EF

Accessibility & contrast

On white

3.85

#4282DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4282DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4282DC

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4282DC	#FFFFFF	#000000	##000000
##4282DC	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#588AE0

Deuteranopia (green-blind)

#3F7BDA

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4282dc;
/* rgb */ color: rgb(66, 130, 220);
/* oklch */ color: oklch(60.9% 0.152 257.4);

Tailwind

colors: {
  custom: {
    50: '#88a5e7',
    500: '#4282dc',
    950: '#000000',
  },
}

SCSS

$custom: #4282dc;
$custom-light: #88a5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4282dc",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 220
  },
  "hsl": {
    "h": 215.065,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.60877,
    "c": 0.15207,
    "h": 257.4
  },
  "luminance": 0.22291
}

Semantic roles & 50–950 ramp

primary

#4282DC

secondary

#DDC29D

accent

#A33CEC

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4282DC

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

Preview Lab → · Contrast checker → · Palette generator →