#427CA7#427CA7

#427CA7 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.090 H 242.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#427CA7
RGB	rgb(66, 124, 167)
HSL	hsl(206, 43%, 46%)
HSV	hsv(206, 60%, 65%)
CMYK	cmyk(60.5%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(49.93, -5.68, -28.64)
CIE-LCH	lch(49.93, 29.20, 258.78°)
OKLab	oklab(56.56% -0.0415 -0.0804)
OKLCH	oklch(56.56% 0.09 242.7)
XYZ	xyz(16.4269, 18.3620, 39.2303)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CA7 #A76D42

analogous

#42A7A0 #427CA7 #4249A7

triadic

#427CA7 #A7427C #7CA742

tetradic

#427CA7 #A042A7 #A76D42 #49A742

square

#427CA7 #A042A7 #A76D42 #49A742

split-complementary

#427CA7 #A74249 #A7A042

monochromatic

#1F3B4F #315B7B #427CA7 #649AC2 #90B7D3

Accessibility & contrast

On white

4.49

#427CA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#427CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CA7

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CA7	#FFFFFF	#000000	##000000
##427CA7	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697CA9

Deuteranopia (green-blind)

#5B72A6

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #427ca7;
/* rgb */ color: rgb(66, 124, 167);
/* oklch */ color: oklch(56.6% 0.090 242.7);

Tailwind

colors: {
  custom: {
    50: '#7fa1c1',
    500: '#427ca7',
    950: '#000000',
  },
}

SCSS

$custom: #427ca7;
$custom-light: #7fa1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#427ca7",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 205.545,
    "s": 43.348,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56563,
    "c": 0.09045,
    "h": 242.7
  },
  "luminance": 0.18364
}

Semantic roles & 50–950 ramp

primary

#427CA7

secondary

#BE9E86

accent

#8B55D3

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #427CA7

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

Preview Lab → · Contrast checker → · Palette generator →