#427FA7#427FA7

#427FA7 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.3% C 0.089 H 239.6°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#427FA7
RGB	rgb(66, 127, 167)
HSL	hsl(204, 43%, 46%)
HSV	hsv(204, 60%, 65%)
CMYK	cmyk(60.5%, 24%, 0%, 34.5%)
CIE-LAB	lab(50.83, -7.42, -27.24)
CIE-LCH	lch(50.83, 28.23, 254.75°)
OKLab	oklab(57.28% -0.0448 -0.0763)
OKLCH	oklch(57.28% 0.089 239.6)
XYZ	xyz(16.8086, 19.1254, 39.3575)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FA7 #A76A42

analogous

#42A79C #427FA7 #424CA7

triadic

#427FA7 #A7427F #7FA742

tetradic

#427FA7 #9C42A7 #A76A42 #4CA742

square

#427FA7 #9C42A7 #A76A42 #4CA742

split-complementary

#427FA7 #A7424C #A79C42

monochromatic

#1F3C4F #315E7B #427FA7 #649DC2 #90B9D3

Accessibility & contrast

On white

4.35

#427FA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#427FA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FA7

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FA7	#FFFFFF	#000000	##000000
##427FA7	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FA9

Deuteranopia (green-blind)

#5F75A6

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427fa7;
/* rgb */ color: rgb(66, 127, 167);
/* oklch */ color: oklch(57.3% 0.089 239.6);

Tailwind

colors: {
  custom: {
    50: '#7fa4c1',
    500: '#427fa7',
    950: '#000000',
  },
}

SCSS

$custom: #427fa7;
$custom-light: #7fa4c1;
$custom-dark: #000000;

JSON

{
  "hex": "#427fa7",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 167
  },
  "hsl": {
    "h": 203.762,
    "s": 43.348,
    "l": 45.686
  },
  "oklch": {
    "l": 0.57276,
    "c": 0.08854,
    "h": 239.6
  },
  "luminance": 0.19127
}

Semantic roles & 50–950 ramp

primary

#427FA7

secondary

#BE9D86

accent

#8755D3

background

#F8FAFB

surface

#EFF3F7

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427FA7

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

Preview Lab → · Contrast checker → · Palette generator →