#427BA1#427BA1

#427BA1 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.0% C 0.084 H 239.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#427BA1
RGB	rgb(66, 123, 161)
HSL	hsl(204, 42%, 45%)
HSV	hsv(204, 59%, 63%)
CMYK	cmyk(59%, 23.6%, 0%, 36.9%)
CIE-LAB	lab(49.37, -7.07, -26.02)
CIE-LCH	lch(49.37, 26.96, 254.79°)
OKLab	oklab(56.03% -0.0424 -0.0728)
OKLCH	oklch(56.03% 0.084 239.8)
XYZ	xyz(15.7604, 17.8959, 36.3350)
Luminance	0.1790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427BA1 #A16842

analogous

#42A198 #427BA1 #424CA1

triadic

#427BA1 #A1427B #7BA142

tetradic

#427BA1 #9842A1 #A16842 #4CA142

square

#427BA1 #9842A1 #A16842 #4CA142

split-complementary

#427BA1 #A1424C #A19842

monochromatic

#1E394A #305A76 #427BA1 #6299BF #8DB5D0

Accessibility & contrast

On white

4.59

#427BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#427BA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #427BA1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427BA1	#FFFFFF	#000000	##FFFFFF
##427BA1	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA3

Deuteranopia (green-blind)

#5D71A0

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #427ba1;
/* rgb */ color: rgb(66, 123, 161);
/* oklch */ color: oklch(56.0% 0.084 239.8);

Tailwind

colors: {
  custom: {
    50: '#7ea1bd',
    500: '#427ba1',
    950: '#000000',
  },
}

SCSS

$custom: #427ba1;
$custom-light: #7ea1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#427ba1",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 161
  },
  "hsl": {
    "h": 204,
    "s": 41.85,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56031,
    "c": 0.08429,
    "h": 239.8
  },
  "luminance": 0.17897
}

Semantic roles & 50–950 ramp

primary

#427BA1

secondary

#BB9A83

accent

#8856D2

background

#F8F9FB

surface

#EFF2F6

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #427BA1

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

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