#427CA9#427CA9

#427CA9 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.093 H 243.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#427CA9
RGB	rgb(66, 124, 169)
HSL	hsl(206, 44%, 46%)
HSV	hsv(206, 61%, 66%)
CMYK	cmyk(60.9%, 26.6%, 0%, 33.7%)
CIE-LAB	lab(50.02, -5.02, -29.66)
CIE-LCH	lch(50.02, 30.08, 260.40°)
OKLab	oklab(56.66% -0.0408 -0.0833)
OKLCH	oklch(56.66% 0.093 243.9)
XYZ	xyz(16.6132, 18.4366, 40.2115)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CA9 #A96F42

analogous

#42A9A2 #427CA9 #4248A9

triadic

#427CA9 #A9427C #7CA942

tetradic

#427CA9 #A242A9 #A96F42 #48A942

square

#427CA9 #A242A9 #A96F42 #48A942

split-complementary

#427CA9 #A94248 #A9A242

monochromatic

#203B51 #315C7D #427CA9 #659AC3 #91B7D4

Accessibility & contrast

On white

4.48

#427CA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#427CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CA9

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CA9	#FFFFFF	#000000	##000000
##427CA9	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687DAB

Deuteranopia (green-blind)

#5A72A8

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #427ca9;
/* rgb */ color: rgb(66, 124, 169);
/* oklch */ color: oklch(56.7% 0.093 243.9);

Tailwind

colors: {
  custom: {
    50: '#7fa1c2',
    500: '#427ca9',
    950: '#000000',
  },
}

SCSS

$custom: #427ca9;
$custom-light: #7fa1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#427ca9",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 206.214,
    "s": 43.83,
    "l": 46.078
  },
  "oklch": {
    "l": 0.56662,
    "c": 0.09279,
    "h": 243.9
  },
  "luminance": 0.18438
}

Semantic roles & 50–950 ramp

primary

#427CA9

secondary

#C0A087

accent

#8C54D4

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #427CA9

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

Preview Lab → · Contrast checker → · Palette generator →