#427EAA#427EAA

#427EAA is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.2% C 0.093 H 242.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#427EAA
RGB	rgb(66, 126, 170)
HSL	hsl(205, 44%, 46%)
HSV	hsv(205, 61%, 67%)
CMYK	cmyk(61.2%, 25.9%, 0%, 33.3%)
CIE-LAB	lab(50.66, -5.85, -29.24)
CIE-LCH	lch(50.66, 29.82, 258.68°)
OKLab	oklab(57.18% -0.0427 -0.0821)
OKLCH	oklch(57.18% 0.093 242.5)
XYZ	xyz(16.9606, 18.9806, 40.7922)
Luminance	0.1898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EAA #AA6E42

analogous

#42AAA2 #427EAA #424AAA

triadic

#427EAA #AA427E #7EAA42

tetradic

#427EAA #A242AA #AA6E42 #4AAA42

square

#427EAA #A242AA #AA6E42 #4AAA42

split-complementary

#427EAA #AA424A #AAA242

monochromatic

#203D52 #315D7E #427EAA #669CC3 #92B8D5

Accessibility & contrast

On white

4.38

#427EAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#427EAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EAA

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EAA	#FFFFFF	#000000	##000000
##427EAA	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAC

Deuteranopia (green-blind)

#5C74A9

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427eaa;
/* rgb */ color: rgb(66, 126, 170);
/* oklch */ color: oklch(57.2% 0.093 242.5);

Tailwind

colors: {
  custom: {
    50: '#80a3c3',
    500: '#427eaa',
    950: '#000000',
  },
}

SCSS

$custom: #427eaa;
$custom-light: #80a3c3;
$custom-dark: #000000;

JSON

{
  "hex": "#427eaa",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 170
  },
  "hsl": {
    "h": 205.385,
    "s": 44.068,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57185,
    "c": 0.09255,
    "h": 242.5
  },
  "luminance": 0.18982
}

Semantic roles & 50–950 ramp

primary

#427EAA

secondary

#C0A088

accent

#8A54D4

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427EAA

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

Preview Lab → · Contrast checker → · Palette generator →