#427FE2#427FE2

#427FE2 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.6% C 0.163 H 259.6°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#427FE2
RGB	rgb(66, 127, 226)
HSL	hsl(217, 73%, 57%)
HSV	hsv(217, 71%, 89%)
CMYK	cmyk(70.8%, 43.8%, 0%, 11.4%)
CIE-LAB	lab(53.84, 13.04, -56.14)
CIE-LCH	lch(53.84, 57.64, 283.08°)
OKLab	oklab(60.61% -0.0294 -0.1606)
OKLCH	oklch(60.61% 0.163 259.6)
XYZ	xyz(23.5587, 21.8255, 74.9079)
Luminance	0.2183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FE2 #E2A542

analogous

#42CFE2 #427FE2 #5542E2

triadic

#427FE2 #E2427F #7FE242

tetradic

#427FE2 #E242CF #E2A542 #42E255

square

#427FE2 #E242CF #E2A542 #42E255

split-complementary

#427FE2 #E25542 #CFE242

monochromatic

#174693 #1F5FC8 #427FE2 #77A3EA #ACC7F2

Accessibility & contrast

On white

3.91

#427FE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#427FE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FE2

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FE2	#FFFFFF	#000000	##000000
##427FE2	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E89E6

Deuteranopia (green-blind)

#307AE0

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #427fe2;
/* rgb */ color: rgb(66, 127, 226);
/* oklch */ color: oklch(60.6% 0.163 259.6);

Tailwind

colors: {
  custom: {
    50: '#89a3ec',
    500: '#427fe2',
    950: '#000000',
  },
}

SCSS

$custom: #427fe2;
$custom-light: #89a3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#427fe2",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 226
  },
  "hsl": {
    "h": 217.125,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60609,
    "c": 0.16331,
    "h": 259.6
  },
  "luminance": 0.21828
}

Semantic roles & 50–950 ramp

primary

#427FE2

secondary

#E0C89F

accent

#AA38F0

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #427FE2

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

Preview Lab → · Contrast checker → · Palette generator →