#427AB7#427AB7

#427AB7 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.9% C 0.112 H 252.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#427AB7
RGB	rgb(66, 122, 183)
HSL	hsl(211, 47%, 49%)
HSV	hsv(211, 64%, 72%)
CMYK	cmyk(63.9%, 33.3%, 0%, 28.2%)
CIE-LAB	lab(50.09, 0.93, -37.66)
CIE-LCH	lch(50.09, 37.67, 271.41°)
OKLab	oklab(56.93% -0.0343 -0.1066)
OKLCH	oklch(56.93% 0.112 252.1)
XYZ	xyz(17.7504, 18.4945, 47.4249)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427AB7 #B77F42

analogous

#42B5B7 #427AB7 #4542B7

triadic

#427AB7 #B7427A #7AB742

tetradic

#427AB7 #B742B5 #B77F42 #42B745

square

#427AB7 #B742B5 #B77F42 #42B745

split-complementary

#427AB7 #B74542 #B5B742

monochromatic

#223E5D #325C8A #427AB7 #6C99CA #99B8DA

Accessibility & contrast

On white

4.47

#427AB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#427AB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AB7

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427AB7	#FFFFFF	#000000	##000000
##427AB7	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607DBA

Deuteranopia (green-blind)

#5072B6

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #427ab7;
/* rgb */ color: rgb(66, 122, 183);
/* oklch */ color: oklch(56.9% 0.112 252.1);

Tailwind

colors: {
  custom: {
    50: '#81a0cd',
    500: '#427ab7',
    950: '#000000',
  },
}

SCSS

$custom: #427ab7;
$custom-light: #81a0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#427ab7",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 183
  },
  "hsl": {
    "h": 211.282,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56934,
    "c": 0.11195,
    "h": 252.1
  },
  "luminance": 0.18496
}

Semantic roles & 50–950 ramp

primary

#427AB7

secondary

#C6AC8F

accent

#9751D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #427AB7

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

Preview Lab → · Contrast checker → · Palette generator →