#427FAC#427FAC

#427FAC is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.5% C 0.094 H 242.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#427FAC
RGB	rgb(66, 127, 172)
HSL	hsl(205, 45%, 47%)
HSV	hsv(205, 62%, 67%)
CMYK	cmyk(61.6%, 26.2%, 0%, 32.5%)
CIE-LAB	lab(51.05, -5.77, -29.79)
CIE-LCH	lch(51.05, 30.35, 259.04°)
OKLab	oklab(57.52% -0.0431 -0.0837)
OKLCH	oklch(57.52% 0.094 242.7)
XYZ	xyz(17.2798, 19.3139, 41.8390)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FAC #AC6F42

analogous

#42ACA4 #427FAC #424AAC

triadic

#427FAC #AC427F #7FAC42

tetradic

#427FAC #A442AC #AC6F42 #4AAC42

square

#427FAC #A442AC #AC6F42 #4AAC42

split-complementary

#427FAC #AC424A #ACA442

monochromatic

#203E54 #315E80 #427FAC #679DC5 #93B9D6

Accessibility & contrast

On white

4.32

#427FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#427FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FAC

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FAC	#FFFFFF	#000000	##000000
##427FAC	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B80AE

Deuteranopia (green-blind)

#5D75AB

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #427fac;
/* rgb */ color: rgb(66, 127, 172);
/* oklch */ color: oklch(57.5% 0.094 242.7);

Tailwind

colors: {
  custom: {
    50: '#80a4c5',
    500: '#427fac',
    950: '#000000',
  },
}

SCSS

$custom: #427fac;
$custom-light: #80a4c5;
$custom-dark: #000000;

JSON

{
  "hex": "#427fac",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 172
  },
  "hsl": {
    "h": 205.472,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57521,
    "c": 0.09417,
    "h": 242.7
  },
  "luminance": 0.19316
}

Semantic roles & 50–950 ramp

primary

#427FAC

secondary

#C1A189

accent

#8A54D4

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427FAC

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

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