#427BC1#427BC1

#427BC1 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.124 H 254.7°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#427BC1
RGB	rgb(66, 123, 193)
HSL	hsl(213, 51%, 51%)
HSV	hsv(213, 66%, 76%)
CMYK	cmyk(65.8%, 36.3%, 0%, 24.3%)
CIE-LAB	lab(50.89, 3.79, -42.14)
CIE-LCH	lch(50.89, 42.31, 275.14°)
OKLab	oklab(57.72% -0.0327 -0.1196)
OKLCH	oklch(57.72% 0.124 254.7)
XYZ	xyz(18.9519, 19.1725, 53.1436)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427BC1 #C18842

analogous

#42BAC1 #427BC1 #4842C1

triadic

#427BC1 #C1427B #7BC142

tetradic

#427BC1 #C142BA #C18842 #42C148

square

#427BC1 #C142BA #C18842 #42C148

split-complementary

#427BC1 #C14842 #BAC142

monochromatic

#224167 #315E95 #427BC1 #709BD0 #9EBBDF

Accessibility & contrast

On white

4.34

#427BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#427BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BC1

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427BC1	#FFFFFF	#000000	##000000
##427BC1	1.00	4.34	4.83	4.83
#FFFFFF	4.34	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)

#5C80C4

Deuteranopia (green-blind)

#4A74C0

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427bc1;
/* rgb */ color: rgb(66, 123, 193);
/* oklch */ color: oklch(57.7% 0.124 254.7);

Tailwind

colors: {
  custom: {
    50: '#83a0d4',
    500: '#427bc1',
    950: '#000000',
  },
}

SCSS

$custom: #427bc1;
$custom-light: #83a0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#427bc1",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 193
  },
  "hsl": {
    "h": 213.071,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57724,
    "c": 0.12404,
    "h": 254.7
  },
  "luminance": 0.19174
}

Semantic roles & 50–950 ramp

primary

#427BC1

secondary

#CCB293

accent

#9B4EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #427BC1

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

Preview Lab → · Contrast checker → · Palette generator →