#427DA2#427DA2

#427DA2 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.084 H 238.3°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#427DA2
RGB	rgb(66, 125, 162)
HSL	hsl(203, 42%, 45%)
HSV	hsv(203, 59%, 64%)
CMYK	cmyk(59.3%, 22.8%, 0%, 36.5%)
CIE-LAB	lab(50.02, -7.91, -25.60)
CIE-LCH	lch(50.02, 26.79, 252.84°)
OKLab	oklab(56.56% -0.0443 -0.0716)
OKLCH	oklch(56.56% 0.084 238.3)
XYZ	xyz(16.0995, 18.4326, 36.8848)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DA2 #A26742

analogous

#42A297 #427DA2 #424DA2

triadic

#427DA2 #A2427D #7DA242

tetradic

#427DA2 #9742A2 #A26742 #4DA242

square

#427DA2 #9742A2 #A26742 #4DA242

split-complementary

#427DA2 #A2424D #A29742

monochromatic

#1F3A4B #305B77 #427DA2 #629BBF #8EB7D1

Accessibility & contrast

On white

4.48

#427DA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#427DA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DA2

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DA2	#FFFFFF	#000000	##000000
##427DA2	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA4

Deuteranopia (green-blind)

#5F73A1

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #427da2;
/* rgb */ color: rgb(66, 125, 162);
/* oklch */ color: oklch(56.6% 0.084 238.3);

Tailwind

colors: {
  custom: {
    50: '#7fa2bd',
    500: '#427da2',
    950: '#000000',
  },
}

SCSS

$custom: #427da2;
$custom-light: #7fa2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#427da2",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 162
  },
  "hsl": {
    "h": 203.125,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56558,
    "c": 0.08425,
    "h": 238.3
  },
  "luminance": 0.18434
}

Semantic roles & 50–950 ramp

primary

#427DA2

secondary

#BC9984

accent

#8656D2

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #427DA2

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

Preview Lab → · Contrast checker → · Palette generator →