#427CBC#427CBC

#427CBC is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.116 H 252.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#427CBC
RGB	rgb(66, 124, 188)
HSL	hsl(211, 48%, 50%)
HSV	hsv(211, 65%, 74%)
CMYK	cmyk(64.9%, 34%, 0%, 26.3%)
CIE-LAB	lab(50.92, 1.45, -39.22)
CIE-LCH	lch(50.92, 39.25, 272.12°)
OKLab	oklab(57.67% -0.035 -0.1111)
OKLCH	oklch(57.67% 0.116 252.5)
XYZ	xyz(18.5282, 19.2026, 50.2972)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427CBC #BC8242

analogous

#42B9BC #427CBC #4542BC

triadic

#427CBC #BC427C #7CBC42

tetradic

#427CBC #BC42B9 #BC8242 #42BC45

square

#427CBC #BC42B9 #BC8242 #42BC45

split-complementary

#427CBC #BC4542 #B9BC42

monochromatic

#224061 #325E8F #427CBC #6F9BCC #9CBBDC

Accessibility & contrast

On white

4.34

#427CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#427CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427CBC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427CBC	#FFFFFF	#000000	##000000
##427CBC	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6080BF

Deuteranopia (green-blind)

#4F74BB

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427cbc;
/* rgb */ color: rgb(66, 124, 188);
/* oklch */ color: oklch(57.7% 0.116 252.5);

Tailwind

colors: {
  custom: {
    50: '#82a1d0',
    500: '#427cbc',
    950: '#000000',
  },
}

SCSS

$custom: #427cbc;
$custom-light: #82a1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#427cbc",
  "rgb": {
    "r": 66,
    "g": 124,
    "b": 188
  },
  "hsl": {
    "h": 211.475,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57668,
    "c": 0.11649,
    "h": 252.5
  },
  "luminance": 0.19204
}

Semantic roles & 50–950 ramp

primary

#427CBC

secondary

#C9AE91

accent

#9750D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #427CBC

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

Preview Lab → · Contrast checker → · Palette generator →