#427FD1#427FD1

#427FD1 is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.6% C 0.141 H 256.5°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#427FD1
RGB	rgb(66, 127, 209)
HSL	hsl(214, 61%, 54%)
HSV	hsv(214, 68%, 82%)
CMYK	cmyk(68.4%, 39.2%, 0%, 18%)
CIE-LAB	lab(52.88, 6.99, -48.09)
CIE-LCH	lch(52.88, 48.60, 278.27°)
OKLab	oklab(59.55% -0.0328 -0.137)
OKLCH	oklch(59.55% 0.141 256.5)
XYZ	xyz(21.3406, 20.9382, 63.2260)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FD1 #D19442

analogous

#42C6D1 #427FD1 #4D42D1

triadic

#427FD1 #D1427F #7FD142

tetradic

#427FD1 #D142C6 #D19442 #42D14D

square

#427FD1 #D142C6 #D19442 #42D14D

split-complementary

#427FD1 #D14D42 #C6D142

monochromatic

#1E457B #2A61AC #427FD1 #73A0DD #A4C2E9

Accessibility & contrast

On white

4.05

#427FD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#427FD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FD1

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FD1	#FFFFFF	#000000	##000000
##427FD1	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5985D4

Deuteranopia (green-blind)

#4478CF

Tritanopia (blue-blind)

#00929E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #427fd1;
/* rgb */ color: rgb(66, 127, 209);
/* oklch */ color: oklch(59.6% 0.141 256.5);

Tailwind

colors: {
  custom: {
    50: '#86a3df',
    500: '#427fd1',
    950: '#000000',
  },
}

SCSS

$custom: #427fd1;
$custom-light: #86a3df;
$custom-dark: #000000;

JSON

{
  "hex": "#427fd1",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 209
  },
  "hsl": {
    "h": 214.406,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59554,
    "c": 0.14089,
    "h": 256.5
  },
  "luminance": 0.2094
}

Semantic roles & 50–950 ramp

primary

#427FD1

secondary

#D6BC99

accent

#A044E4

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #427FD1

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

Preview Lab → · Contrast checker → · Palette generator →