#427CA8#427CA8

#427CA8 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.092 H 243.3°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#427CA8
RGB	rgb(66, 124, 168)
HSL	hsl(206, 44%, 46%)
HSV	hsv(206, 61%, 66%)
CMYK	cmyk(60.7%, 26.2%, 0%, 34.1%)
CIE-LAB	lab(49.98, -5.35, -29.15)
CIE-LCH	lch(49.98, 29.64, 259.60°)
OKLab	oklab(56.61% -0.0411 -0.0819)
OKLCH	oklch(56.61% 0.092 243.3)
XYZ	xyz(16.5197, 18.3992, 39.7190)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CA8 #A86E42

analogous

#42A8A1 #427CA8 #4249A8

triadic

#427CA8 #A8427C #7CA842

tetradic

#427CA8 #A142A8 #A86E42 #49A842

square

#427CA8 #A142A8 #A86E42 #49A842

split-complementary

#427CA8 #A84249 #A8A142

monochromatic

#1F3B50 #315C7C #427CA8 #659AC2 #91B7D4

Accessibility & contrast

On white

4.49

#427CA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#427CA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CA8

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CA8	#FFFFFF	#000000	##000000
##427CA8	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAA

Deuteranopia (green-blind)

#5B72A7

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #427ca8;
/* rgb */ color: rgb(66, 124, 168);
/* oklch */ color: oklch(56.6% 0.092 243.3);

Tailwind

colors: {
  custom: {
    50: '#7fa1c2',
    500: '#427ca8',
    950: '#000000',
  },
}

SCSS

$custom: #427ca8;
$custom-light: #7fa1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#427ca8",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 168
  },
  "hsl": {
    "h": 205.882,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56612,
    "c": 0.09162,
    "h": 243.3
  },
  "luminance": 0.18401
}

Semantic roles & 50–950 ramp

primary

#427CA8

secondary

#BF9F87

accent

#8B54D3

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #427CA8

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

Preview Lab → · Contrast checker → · Palette generator →