#427FBD#427FBD

#427FBD is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.4% C 0.115 H 250.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#427FBD
RGB	rgb(66, 127, 189)
HSL	hsl(210, 48%, 50%)
HSV	hsv(210, 65%, 74%)
CMYK	cmyk(65.1%, 32.8%, 0%, 25.9%)
CIE-LAB	lab(51.85, -0.00, -38.34)
CIE-LCH	lch(51.85, 38.34, 270.00°)
OKLab	oklab(58.41% -0.0379 -0.1085)
OKLCH	oklch(58.41% 0.115 250.7)
XYZ	xyz(19.0181, 20.0092, 50.9942)
Luminance	0.2001 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FBD #BD8042

analogous

#42BCBD #427FBD #4342BD

triadic

#427FBD #BD427F #7FBD42

tetradic

#427FBD #BD42BC #BD8042 #42BD43

square

#427FBD #BD42BC #BD8042 #42BD43

split-complementary

#427FBD #BD4342 #BCBD42

monochromatic

#224262 #326190 #427FBD #6F9ECD #9DBCDD

Accessibility & contrast

On white

4.20

#427FBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#427FBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FBD

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FBD	#FFFFFF	#000000	##000000
##427FBD	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C0

Deuteranopia (green-blind)

#5376BC

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427fbd;
/* rgb */ color: rgb(66, 127, 189);
/* oklch */ color: oklch(58.4% 0.115 250.7);

Tailwind

colors: {
  custom: {
    50: '#82a3d1',
    500: '#427fbd',
    950: '#000000',
  },
}

SCSS

$custom: #427fbd;
$custom-light: #82a3d1;
$custom-dark: #000000;

JSON

{
  "hex": "#427fbd",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 189
  },
  "hsl": {
    "h": 210.244,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.58409,
    "c": 0.11492,
    "h": 250.7
  },
  "luminance": 0.20011
}

Semantic roles & 50–950 ramp

primary

#427FBD

secondary

#C9AE92

accent

#9450D8

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #427FBD

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

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