#427EBC#427EBC

#427EBC is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.115 H 251.1°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#427EBC
RGB	rgb(66, 126, 188)
HSL	hsl(210, 48%, 50%)
HSV	hsv(210, 65%, 74%)
CMYK	cmyk(64.9%, 33%, 0%, 26.3%)
CIE-LAB	lab(51.51, 0.25, -38.30)
CIE-LCH	lch(51.51, 38.30, 270.38°)
OKLab	oklab(58.13% -0.0371 -0.1084)
OKLCH	oklch(58.13% 0.115 251.1)
XYZ	xyz(18.7814, 19.7089, 50.3816)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EBC #BC8042

analogous

#42BBBC #427EBC #4342BC

triadic

#427EBC #BC427E #7EBC42

tetradic

#427EBC #BC42BB #BC8042 #42BC43

square

#427EBC #BC42BB #BC8042 #42BC43

split-complementary

#427EBC #BC4342 #BBBC42

monochromatic

#224161 #32608F #427EBC #6F9DCC #9CBCDC

Accessibility & contrast

On white

4.25

#427EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#427EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EBC

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EBC	#FFFFFF	#000000	##000000
##427EBC	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BF

Deuteranopia (green-blind)

#5275BB

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #427ebc;
/* rgb */ color: rgb(66, 126, 188);
/* oklch */ color: oklch(58.1% 0.115 251.1);

Tailwind

colors: {
  custom: {
    50: '#82a3d0',
    500: '#427ebc',
    950: '#000000',
  },
}

SCSS

$custom: #427ebc;
$custom-light: #82a3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#427ebc",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 188
  },
  "hsl": {
    "h": 210.492,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58125,
    "c": 0.11458,
    "h": 251.1
  },
  "luminance": 0.19711
}

Semantic roles & 50–950 ramp

primary

#427EBC

secondary

#C9AD91

accent

#9550D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0F14

muted

#7D7E82

Preview Lab

Preview with #427EBC

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

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