#427DC3#427DC3

#427DC3 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.3% C 0.125 H 254.1°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#427DC3
RGB	rgb(66, 125, 195)
HSL	hsl(213, 52%, 51%)
HSV	hsv(213, 66%, 76%)
CMYK	cmyk(66.2%, 35.9%, 0%, 23.5%)
CIE-LAB	lab(51.57, 3.28, -42.21)
CIE-LCH	lch(51.57, 42.34, 274.45°)
OKLab	oklab(58.29% -0.0342 -0.1198)
OKLCH	oklch(58.29% 0.125 254.1)
XYZ	xyz(19.4271, 19.7637, 54.4101)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DC3 #C38842

analogous

#42BDC3 #427DC3 #4742C3

triadic

#427DC3 #C3427D #7DC342

tetradic

#427DC3 #C342BD #C38842 #42C347

square

#427DC3 #C342BD #C38842 #42C347

split-complementary

#427DC3 #C34742 #BDC342

monochromatic

#214269 #305F98 #427DC3 #709DD2 #9FBDE0

Accessibility & contrast

On white

4.24

#427DC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#427DC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DC3

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DC3	#FFFFFF	#000000	##000000
##427DC3	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E82C6

Deuteranopia (green-blind)

#4C75C2

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #427dc3;
/* rgb */ color: rgb(66, 125, 195);
/* oklch */ color: oklch(58.3% 0.125 254.1);

Tailwind

colors: {
  custom: {
    50: '#83a2d5',
    500: '#427dc3',
    950: '#000000',
  },
}

SCSS

$custom: #427dc3;
$custom-light: #83a2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#427dc3",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 195
  },
  "hsl": {
    "h": 212.558,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58289,
    "c": 0.12461,
    "h": 254.1
  },
  "luminance": 0.19766
}

Semantic roles & 50–950 ramp

primary

#427DC3

secondary

#CDB394

accent

#9A4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #427DC3

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

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