#427BD2#427BD2

#427BD2 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.7% C 0.147 H 258.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#427BD2
RGB	rgb(66, 123, 210)
HSL	hsl(216, 62%, 54%)
HSV	hsv(216, 69%, 82%)
CMYK	cmyk(68.6%, 41.4%, 0%, 17.6%)
CIE-LAB	lab(51.81, 9.79, -50.37)
CIE-LCH	lch(51.81, 51.31, 281.00°)
OKLab	oklab(58.74% -0.0288 -0.1437)
OKLCH	oklch(58.74% 0.147 258.7)
XYZ	xyz(20.9584, 19.9752, 63.7113)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427BD2 #D29942

analogous

#42C3D2 #427BD2 #5142D2

triadic

#427BD2 #D2427B #7BD242

tetradic

#427BD2 #D242C3 #D29942 #42D251

square

#427BD2 #D242C3 #D29942 #42D251

split-complementary

#427BD2 #D25142 #C3D242

monochromatic

#1E437C #295EAD #427BD2 #739EDE #A5C0EA

Accessibility & contrast

On white

4.20

#427BD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#427BD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BD2

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427BD2	#FFFFFF	#000000	##000000
##427BD2	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5283D5

Deuteranopia (green-blind)

#3B75D0

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #427bd2;
/* rgb */ color: rgb(66, 123, 210);
/* oklch */ color: oklch(58.7% 0.147 258.7);

Tailwind

colors: {
  custom: {
    50: '#86a0e0',
    500: '#427bd2',
    950: '#000000',
  },
}

SCSS

$custom: #427bd2;
$custom-light: #86a0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#427bd2",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 210
  },
  "hsl": {
    "h": 216.25,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5874,
    "c": 0.1466,
    "h": 258.7
  },
  "luminance": 0.19977
}

Semantic roles & 50–950 ramp

primary

#427BD2

secondary

#D7BE99

accent

#A543E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #427BD2

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

Preview Lab → · Contrast checker → · Palette generator →