#427AA0#427AA0

#427AA0 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.7% C 0.084 H 240.2°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#427AA0
RGB	rgb(66, 122, 160)
HSL	hsl(204, 42%, 44%)
HSV	hsv(204, 59%, 63%)
CMYK	cmyk(58.8%, 23.7%, 0%, 37.3%)
CIE-LAB	lab(49.02, -6.82, -25.97)
CIE-LCH	lch(49.02, 26.85, 255.29°)
OKLab	oklab(55.74% -0.0416 -0.0727)
OKLCH	oklch(55.74% 0.084 240.2)
XYZ	xyz(15.5491, 17.6140, 35.8313)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427AA0 #A06842

analogous

#42A097 #427AA0 #424BA0

triadic

#427AA0 #A0427A #7AA042

tetradic

#427AA0 #9742A0 #A06842 #4BA042

square

#427AA0 #9742A0 #A06842 #4BA042

split-complementary

#427AA0 #A0424B #A09742

monochromatic

#1E3849 #305975 #427AA0 #6198BE #8DB5D0

Accessibility & contrast

On white

4.64

#427AA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#427AA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #427AA0

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427AA0	#FFFFFF	#000000	##FFFFFF
##427AA0	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697AA2

Deuteranopia (green-blind)

#5C709F

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #427aa0;
/* rgb */ color: rgb(66, 122, 160);
/* oklch */ color: oklch(55.7% 0.084 240.2);

Tailwind

colors: {
  custom: {
    50: '#7ea0bc',
    500: '#427aa0',
    950: '#000000',
  },
}

SCSS

$custom: #427aa0;
$custom-light: #7ea0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#427aa0",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 160
  },
  "hsl": {
    "h": 204.255,
    "s": 41.593,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55744,
    "c": 0.08376,
    "h": 240.2
  },
  "luminance": 0.17615
}

Semantic roles & 50–950 ramp

primary

#427AA0

secondary

#BB9A83

accent

#8856D1

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #427AA0

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

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