#427ED2#427ED2

#427ED2 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.4% C 0.143 H 257.2°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#427ED2
RGB	rgb(66, 126, 210)
HSL	hsl(215, 62%, 54%)
HSV	hsv(215, 69%, 82%)
CMYK	cmyk(68.6%, 40%, 0%, 17.6%)
CIE-LAB	lab(52.65, 7.96, -49.02)
CIE-LCH	lch(52.65, 49.66, 279.22°)
OKLab	oklab(59.4% -0.0316 -0.1398)
OKLCH	oklch(59.4% 0.143 257.2)
XYZ	xyz(21.3363, 20.7309, 63.8373)
Luminance	0.2073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ED2 #D29642

analogous

#42C6D2 #427ED2 #4E42D2

triadic

#427ED2 #D2427E #7ED242

tetradic

#427ED2 #D242C6 #D29642 #42D24E

square

#427ED2 #D242C6 #D29642 #42D24E

split-complementary

#427ED2 #D24E42 #C6D242

monochromatic

#1E457C #2960AD #427ED2 #73A0DE #A5C1EA

Accessibility & contrast

On white

4.08

#427ED2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#427ED2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ED2

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ED2	#FFFFFF	#000000	##000000
##427ED2	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5785D5

Deuteranopia (green-blind)

#4177D0

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #427ed2;
/* rgb */ color: rgb(66, 126, 210);
/* oklch */ color: oklch(59.4% 0.143 257.2);

Tailwind

colors: {
  custom: {
    50: '#86a2e0',
    500: '#427ed2',
    950: '#000000',
  },
}

SCSS

$custom: #427ed2;
$custom-light: #86a2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#427ed2",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 210
  },
  "hsl": {
    "h": 215,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.59395,
    "c": 0.14329,
    "h": 257.2
  },
  "luminance": 0.20733
}

Semantic roles & 50–950 ramp

primary

#427ED2

secondary

#D7BD99

accent

#A143E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427ED2

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

Preview Lab → · Contrast checker → · Palette generator →