#427FA6#427FA6

#427FA6 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.2% C 0.087 H 238.9°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#427FA6
RGB	rgb(66, 127, 166)
HSL	hsl(203, 43%, 45%)
HSV	hsv(203, 60%, 65%)
CMYK	cmyk(60.2%, 23.5%, 0%, 34.9%)
CIE-LAB	lab(50.79, -7.75, -26.72)
CIE-LCH	lch(50.79, 27.83, 253.82°)
OKLab	oklab(57.23% -0.0452 -0.0749)
OKLCH	oklch(57.23% 0.087 238.9)
XYZ	xyz(16.7165, 19.0886, 38.8725)
Luminance	0.1909 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FA6 #A66942

analogous

#42A69B #427FA6 #424DA6

triadic

#427FA6 #A6427F #7FA642

tetradic

#427FA6 #9B42A6 #A66942 #4DA642

square

#427FA6 #9B42A6 #A66942 #4DA642

split-complementary

#427FA6 #A6424D #A69B42

monochromatic

#1F3C4E #315D7A #427FA6 #649DC1 #90B9D3

Accessibility & contrast

On white

4.36

#427FA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#427FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FA6

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FA6	#FFFFFF	#000000	##000000
##427FA6	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FA8

Deuteranopia (green-blind)

#6074A5

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427fa6;
/* rgb */ color: rgb(66, 127, 166);
/* oklch */ color: oklch(57.2% 0.087 238.9);

Tailwind

colors: {
  custom: {
    50: '#7fa4c0',
    500: '#427fa6',
    950: '#000000',
  },
}

SCSS

$custom: #427fa6;
$custom-light: #7fa4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#427fa6",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 166
  },
  "hsl": {
    "h": 203.4,
    "s": 43.103,
    "l": 45.49
  },
  "oklch": {
    "l": 0.57228,
    "c": 0.08745,
    "h": 238.9
  },
  "luminance": 0.1909
}

Semantic roles & 50–950 ramp

primary

#427FA6

secondary

#BE9C86

accent

#8655D3

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427FA6

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

Preview Lab → · Contrast checker → · Palette generator →