#427BCE#427BCE

#427BCE is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.5% C 0.141 H 257.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#427BCE
RGB	rgb(66, 123, 206)
HSL	hsl(216, 59%, 53%)
HSV	hsv(216, 68%, 81%)
CMYK	cmyk(68%, 40.3%, 0%, 19.2%)
CIE-LAB	lab(51.59, 8.37, -48.46)
CIE-LCH	lch(51.59, 49.17, 279.80°)
OKLab	oklab(58.49% -0.0296 -0.1381)
OKLCH	oklch(58.49% 0.141 257.9)
XYZ	xyz(20.4663, 19.7783, 61.1196)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427BCE #CE9542

analogous

#42C1CE #427BCE #4F42CE

triadic

#427BCE #CE427B #7BCE42

tetradic

#427BCE #CE42C1 #CE9542 #42CE4F

square

#427BCE #CE42C1 #CE9542 #42CE4F

split-complementary

#427BCE #CE4F42 #C1CE42

monochromatic

#1F4377 #2B5EA7 #427BCE #739DDB #A3BFE7

Accessibility & contrast

On white

4.24

#427BCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#427BCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BCE

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427BCE	#FFFFFF	#000000	##000000
##427BCE	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5582D1

Deuteranopia (green-blind)

#3F75CC

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #427bce;
/* rgb */ color: rgb(66, 123, 206);
/* oklch */ color: oklch(58.5% 0.141 257.9);

Tailwind

colors: {
  custom: {
    50: '#85a0dd',
    500: '#427bce',
    950: '#000000',
  },
}

SCSS

$custom: #427bce;
$custom-light: #85a0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#427bce",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 206
  },
  "hsl": {
    "h": 215.571,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58494,
    "c": 0.14127,
    "h": 257.9
  },
  "luminance": 0.1978
}

Semantic roles & 50–950 ramp

primary

#427BCE

secondary

#D4BB98

accent

#A246E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #427BCE

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

Preview Lab → · Contrast checker → · Palette generator →