#427BB6#427BB6

#427BB6 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.110 H 251.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#427BB6
RGB	rgb(66, 123, 182)
HSL	hsl(211, 47%, 49%)
HSV	hsv(211, 64%, 71%)
CMYK	cmyk(63.7%, 32.4%, 0%, 28.6%)
CIE-LAB	lab(50.33, -0.02, -36.70)
CIE-LCH	lch(50.33, 36.70, 269.97°)
OKLab	oklab(57.11% -0.0357 -0.1037)
OKLCH	oklch(57.11% 0.11 251)
XYZ	xyz(17.7701, 18.6998, 46.9198)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427BB6 #B67D42

analogous

#42B5B6 #427BB6 #4342B6

triadic

#427BB6 #B6427B #7BB642

tetradic

#427BB6 #B642B5 #B67D42 #42B643

square

#427BB6 #B642B5 #B67D42 #42B643

split-complementary

#427BB6 #B64342 #B5B642

monochromatic

#213E5C #325D89 #427BB6 #6C9ACA #99B9DA

Accessibility & contrast

On white

4.43

#427BB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#427BB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427BB6

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427BB6	#FFFFFF	#000000	##000000
##427BB6	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627EB9

Deuteranopia (green-blind)

#5273B5

Tritanopia (blue-blind)

#008990

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427bb6;
/* rgb */ color: rgb(66, 123, 182);
/* oklch */ color: oklch(57.1% 0.110 251.0);

Tailwind

colors: {
  custom: {
    50: '#81a0cc',
    500: '#427bb6',
    950: '#000000',
  },
}

SCSS

$custom: #427bb6;
$custom-light: #81a0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#427bb6",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 182
  },
  "hsl": {
    "h": 210.517,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57109,
    "c": 0.10971,
    "h": 251
  },
  "luminance": 0.18702
}

Semantic roles & 50–950 ramp

primary

#427BB6

secondary

#C6AA8E

accent

#9551D6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #427BB6

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

Preview Lab → · Contrast checker → · Palette generator →