#427FC3#427FC3

#427FC3 is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.123 H 252.8°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#427FC3
RGB	rgb(66, 127, 195)
HSL	hsl(212, 52%, 51%)
HSV	hsv(212, 66%, 76%)
CMYK	cmyk(66.2%, 34.9%, 0%, 23.5%)
CIE-LAB	lab(52.15, 2.08, -41.30)
CIE-LCH	lch(52.15, 41.35, 272.88°)
OKLab	oklab(58.74% -0.0362 -0.1171)
OKLCH	oklch(58.74% 0.123 252.8)
XYZ	xyz(19.6829, 20.2751, 54.4954)
Luminance	0.2028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FC3 #C38642

analogous

#42BFC3 #427FC3 #4542C3

triadic

#427FC3 #C3427F #7FC342

tetradic

#427FC3 #C342BF #C38642 #42C345

square

#427FC3 #C342BF #C38642 #42C345

split-complementary

#427FC3 #C34542 #BFC342

monochromatic

#214369 #306198 #427FC3 #709ED2 #9FBEE0

Accessibility & contrast

On white

4.15

#427FC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#427FC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FC3

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FC3	#FFFFFF	#000000	##000000
##427FC3	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6183C6

Deuteranopia (green-blind)

#4F77C2

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #427fc3;
/* rgb */ color: rgb(66, 127, 195);
/* oklch */ color: oklch(58.7% 0.123 252.8);

Tailwind

colors: {
  custom: {
    50: '#83a3d5',
    500: '#427fc3',
    950: '#000000',
  },
}

SCSS

$custom: #427fc3;
$custom-light: #83a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#427fc3",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 195
  },
  "hsl": {
    "h": 211.628,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58741,
    "c": 0.12261,
    "h": 252.8
  },
  "luminance": 0.20277
}

Semantic roles & 50–950 ramp

primary

#427FC3

secondary

#CDB294

accent

#984DDB

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #427FC3

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

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