#427DBA#427DBA

#427DBA is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.113 H 251.1°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#427DBA
RGB	rgb(66, 125, 186)
HSL	hsl(211, 48%, 49%)
HSV	hsv(211, 65%, 73%)
CMYK	cmyk(64.5%, 32.8%, 0%, 27.1%)
CIE-LAB	lab(51.12, 0.16, -37.77)
CIE-LCH	lch(51.12, 37.77, 270.24°)
OKLab	oklab(57.79% -0.0366 -0.1068)
OKLCH	oklch(57.79% 0.113 251.1)
XYZ	xyz(18.4401, 19.3688, 49.2116)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DBA #BA7F42

analogous

#42B9BA #427DBA #4342BA

triadic

#427DBA #BA427D #7DBA42

tetradic

#427DBA #BA42B9 #BA7F42 #42BA43

square

#427DBA #BA42B9 #BA7F42 #42BA43

split-complementary

#427DBA #BA4342 #B9BA42

monochromatic

#224060 #325F8D #427DBA #6E9CCB #9BBBDB

Accessibility & contrast

On white

4.31

#427DBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#427DBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DBA

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DBA	#FFFFFF	#000000	##000000
##427DBA	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6380BD

Deuteranopia (green-blind)

#5275B9

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #427dba;
/* rgb */ color: rgb(66, 125, 186);
/* oklch */ color: oklch(57.8% 0.113 251.1);

Tailwind

colors: {
  custom: {
    50: '#82a2cf',
    500: '#427dba',
    950: '#000000',
  },
}

SCSS

$custom: #427dba;
$custom-light: #82a2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#427dba",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 186
  },
  "hsl": {
    "h": 210.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57787,
    "c": 0.11296,
    "h": 251.1
  },
  "luminance": 0.19371
}

Semantic roles & 50–950 ramp

primary

#427DBA

secondary

#C8AC90

accent

#9551D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #427DBA

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

Preview Lab → · Contrast checker → · Palette generator →