#427A91#427A91

#427A91 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.1% C 0.069 H 226.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#427A91
RGB	rgb(66, 122, 145)
HSL	hsl(197, 37%, 41%)
HSV	hsv(197, 54%, 57%)
CMYK	cmyk(54.5%, 15.9%, 0%, 43.1%)
CIE-LAB	lab(48.41, -11.61, -18.12)
CIE-LCH	lch(48.41, 21.52, 237.35°)
OKLab	oklab(55.05% -0.0472 -0.0503)
OKLCH	oklch(55.05% 0.069 226.8)
XYZ	xyz(14.3152, 17.1204, 29.3328)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427A91 #915942

analogous

#429181 #427A91 #425391

triadic

#427A91 #91427A #7A9142

tetradic

#427A91 #814291 #915942 #539142

square

#427A91 #814291 #915942 #539142

split-complementary

#427A91 #914253 #918142

monochromatic

#1C333D #2F5767 #427A91 #5C9BB5 #86B5C8

Accessibility & contrast

On white

4.75

#427A91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#427A91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427A91

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427A91	#FFFFFF	#000000	##FFFFFF
##427A91	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7892

Deuteranopia (green-blind)

#626F91

Tritanopia (blue-blind)

#098181

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #427a91;
/* rgb */ color: rgb(66, 122, 145);
/* oklch */ color: oklch(55.1% 0.069 226.8);

Tailwind

colors: {
  custom: {
    50: '#7da0b1',
    500: '#427a91',
    950: '#000000',
  },
}

SCSS

$custom: #427a91;
$custom-light: #7da0b1;
$custom-dark: #000000;

JSON

{
  "hex": "#427a91",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 145
  },
  "hsl": {
    "h": 197.468,
    "s": 37.441,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55054,
    "c": 0.06898,
    "h": 226.8
  },
  "luminance": 0.17122
}

Semantic roles & 50–950 ramp

primary

#427A91

secondary

#B38C7C

accent

#7C5ACD

background

#F7F9FA

surface

#EEF2F5

border

#C9CCCF

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #427A91

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

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