#427CD2#427CD2

#427CD2 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.0% C 0.145 H 258.2°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#427CD2
RGB	rgb(66, 124, 210)
HSL	hsl(216, 62%, 54%)
HSV	hsv(216, 69%, 82%)
CMYK	cmyk(68.6%, 41%, 0%, 17.6%)
CIE-LAB	lab(52.09, 9.18, -49.92)
CIE-LCH	lch(52.09, 50.76, 280.42°)
OKLab	oklab(58.96% -0.0297 -0.1424)
OKLCH	oklch(58.96% 0.145 258.2)
XYZ	xyz(21.0831, 20.2245, 63.7529)
Luminance	0.2023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CD2 #D29842

analogous

#42C4D2 #427CD2 #5042D2

triadic

#427CD2 #D2427C #7CD242

tetradic

#427CD2 #D242C4 #D29842 #42D250

square

#427CD2 #D242C4 #D29842 #42D250

split-complementary

#427CD2 #D25042 #C4D242

monochromatic

#1E447C #295FAD #427CD2 #739EDE #A5C1EA

Accessibility & contrast

On white

4.16

#427CD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#427CD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CD2

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CD2	#FFFFFF	#000000	##000000
##427CD2	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5483D5

Deuteranopia (green-blind)

#3D76D0

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427cd2;
/* rgb */ color: rgb(66, 124, 210);
/* oklch */ color: oklch(59.0% 0.145 258.2);

Tailwind

colors: {
  custom: {
    50: '#86a1e0',
    500: '#427cd2',
    950: '#000000',
  },
}

SCSS

$custom: #427cd2;
$custom-light: #86a1e0;
$custom-dark: #000000;

JSON

{
  "hex": "#427cd2",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 210
  },
  "hsl": {
    "h": 215.833,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58957,
    "c": 0.14549,
    "h": 258.2
  },
  "luminance": 0.20227
}

Semantic roles & 50–950 ramp

primary

#427CD2

secondary

#D7BE99

accent

#A443E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #427CD2

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

Preview Lab → · Contrast checker → · Palette generator →