#427DB6#427DB6

#427DB6 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.108 H 249.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#427DB6
RGB	rgb(66, 125, 182)
HSL	hsl(209, 47%, 49%)
HSV	hsv(209, 64%, 71%)
CMYK	cmyk(63.7%, 31.3%, 0%, 28.6%)
CIE-LAB	lab(50.92, -1.21, -35.77)
CIE-LCH	lch(50.92, 35.79, 268.06°)
OKLab	oklab(57.57% -0.0378 -0.101)
OKLCH	oklch(57.57% 0.108 249.5)
XYZ	xyz(18.0208, 19.2011, 47.0034)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DB6 #B67B42

analogous

#42B6B5 #427DB6 #4243B6

triadic

#427DB6 #B6427D #7DB642

tetradic

#427DB6 #B542B6 #B67B42 #43B642

square

#427DB6 #B542B6 #B67B42 #43B642

split-complementary

#427DB6 #B64243 #B6B542

monochromatic

#213F5C #325E89 #427DB6 #6C9BCA #99BADA

Accessibility & contrast

On white

4.34

#427DB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#427DB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DB6

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DB6	#FFFFFF	#000000	##000000
##427DB6	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647FB8

Deuteranopia (green-blind)

#5574B5

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427db6;
/* rgb */ color: rgb(66, 125, 182);
/* oklch */ color: oklch(57.6% 0.108 249.5);

Tailwind

colors: {
  custom: {
    50: '#81a2cc',
    500: '#427db6',
    950: '#000000',
  },
}

SCSS

$custom: #427db6;
$custom-light: #81a2cc;
$custom-dark: #000000;

JSON

{
  "hex": "#427db6",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 182
  },
  "hsl": {
    "h": 209.483,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5757,
    "c": 0.10788,
    "h": 249.5
  },
  "luminance": 0.19203
}

Semantic roles & 50–950 ramp

primary

#427DB6

secondary

#C6A98E

accent

#9351D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #427DB6

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

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