#427ABF#427ABF

#427ABF is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.4% C 0.122 H 254.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#427ABF
RGB	rgb(66, 122, 191)
HSL	hsl(213, 49%, 50%)
HSV	hsv(213, 65%, 75%)
CMYK	cmyk(65.4%, 36.1%, 0%, 25.1%)
CIE-LAB	lab(50.50, 3.70, -41.62)
CIE-LCH	lch(50.50, 41.78, 275.08°)
OKLab	oklab(57.38% -0.0322 -0.1181)
OKLCH	oklch(57.38% 0.122 254.8)
XYZ	xyz(18.6069, 18.8371, 51.9354)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427ABF #BF8742

analogous

#42B8BF #427ABF #4842BF

triadic

#427ABF #BF427A #7ABF42

tetradic

#427ABF #BF42B8 #BF8742 #42BF48

square

#427ABF #BF42B8 #BF8742 #42BF48

split-complementary

#427ABF #BF4842 #B8BF42

monochromatic

#224065 #325D92 #427ABF #709ACE #9DBADE

Accessibility & contrast

On white

4.40

#427ABF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#427ABF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427ABF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427ABF	#FFFFFF	#000000	##000000
##427ABF	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7FC2

Deuteranopia (green-blind)

#4A73BE

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427abf;
/* rgb */ color: rgb(66, 122, 191);
/* oklch */ color: oklch(57.4% 0.122 254.8);

Tailwind

colors: {
  custom: {
    50: '#83a0d2',
    500: '#427abf',
    950: '#000000',
  },
}

SCSS

$custom: #427abf;
$custom-light: #83a0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#427abf",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 191
  },
  "hsl": {
    "h": 213.12,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57384,
    "c": 0.12243,
    "h": 254.8
  },
  "luminance": 0.18839
}

Semantic roles & 50–950 ramp

primary

#427ABF

secondary

#CAB193

accent

#9B4FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #427ABF

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

Preview Lab → · Contrast checker → · Palette generator →