#427CC0#427CC0

#427CC0 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.122 H 253.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#427CC0
RGB	rgb(66, 124, 192)
HSL	hsl(212, 50%, 51%)
HSV	hsv(212, 66%, 75%)
CMYK	cmyk(65.6%, 35.4%, 0%, 24.7%)
CIE-LAB	lab(51.13, 2.84, -41.20)
CIE-LCH	lch(51.13, 41.29, 273.94°)
OKLab	oklab(57.89% -0.034 -0.1169)
OKLCH	oklch(57.89% 0.122 253.8)
XYZ	xyz(18.9654, 19.3774, 52.5997)
Luminance	0.1938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CC0 #C08642

analogous

#42BBC0 #427CC0 #4742C0

triadic

#427CC0 #C0427C #7CC042

tetradic

#427CC0 #C042BB #C08642 #42C047

square

#427CC0 #C042BB #C08642 #42C047

split-complementary

#427CC0 #C04742 #BBC042

monochromatic

#224166 #315E94 #427CC0 #709CCF #9EBCDF

Accessibility & contrast

On white

4.31

#427CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#427CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CC0

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CC0	#FFFFFF	#000000	##000000
##427CC0	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E80C3

Deuteranopia (green-blind)

#4D74BF

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #427cc0;
/* rgb */ color: rgb(66, 124, 192);
/* oklch */ color: oklch(57.9% 0.122 253.8);

Tailwind

colors: {
  custom: {
    50: '#83a1d3',
    500: '#427cc0',
    950: '#000000',
  },
}

SCSS

$custom: #427cc0;
$custom-light: #83a1d3;
$custom-dark: #000000;

JSON

{
  "hex": "#427cc0",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 192
  },
  "hsl": {
    "h": 212.381,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57893,
    "c": 0.1217,
    "h": 253.8
  },
  "luminance": 0.19379
}

Semantic roles & 50–950 ramp

primary

#427CC0

secondary

#CBB193

accent

#994EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #427CC0

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

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