#427ACC#427ACC

#427ACC is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.2% C 0.140 H 258.0°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#427ACC
RGB	rgb(66, 122, 204)
HSL	hsl(216, 58%, 53%)
HSV	hsv(216, 68%, 80%)
CMYK	cmyk(67.6%, 40.2%, 0%, 20%)
CIE-LAB	lab(51.19, 8.28, -47.94)
CIE-LCH	lch(51.19, 48.65, 279.79°)
OKLab	oklab(58.15% -0.0291 -0.1366)
OKLCH	oklch(58.15% 0.14 258)
XYZ	xyz(20.1015, 19.4349, 59.8070)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ACC #CC9442

analogous

#42BFCC #427ACC #4F42CC

triadic

#427ACC #CC427A #7ACC42

tetradic

#427ACC #CC42BF #CC9442 #42CC4F

square

#427ACC #CC42BF #CC9442 #42CC4F

split-complementary

#427ACC #CC4F42 #BFCC42

monochromatic

#1F4274 #2C5DA4 #427ACC #729CD9 #A2BEE6

Accessibility & contrast

On white

4.30

#427ACC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#427ACC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ACC

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ACC	#FFFFFF	#000000	##000000
##427ACC	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5481CF

Deuteranopia (green-blind)

#3F74CA

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #427acc;
/* rgb */ color: rgb(66, 122, 204);
/* oklch */ color: oklch(58.2% 0.140 258.0);

Tailwind

colors: {
  custom: {
    50: '#85a0dc',
    500: '#427acc',
    950: '#000000',
  },
}

SCSS

$custom: #427acc;
$custom-light: #85a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#427acc",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 204
  },
  "hsl": {
    "h": 215.652,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58153,
    "c": 0.13972,
    "h": 258
  },
  "luminance": 0.19437
}

Semantic roles & 50–950 ramp

primary

#427ACC

secondary

#D3BB97

accent

#A247E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #427ACC

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

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