#427FE6#427FE6

#427FE6 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 60.9% C 0.169 H 260.2°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#427FE6
RGB	rgb(66, 127, 230)
HSL	hsl(218, 77%, 58%)
HSV	hsv(218, 71%, 90%)
CMYK	cmyk(71.3%, 44.8%, 0%, 9.8%)
CIE-LAB	lab(54.08, 14.47, -58.00)
CIE-LCH	lch(54.08, 59.78, 284.01°)
OKLab	oklab(60.87% -0.0287 -0.1661)
OKLCH	oklch(60.87% 0.169 260.2)
XYZ	xyz(24.1139, 22.0476, 77.8323)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427FE6 #E6A942

analogous

#42D1E6 #427FE6 #5742E6

triadic

#427FE6 #E6427F #7FE642

tetradic

#427FE6 #E642D1 #E6A942 #42E657

square

#427FE6 #E642D1 #E6A942 #42E657

split-complementary

#427FE6 #E65742 #D1E642

monochromatic

#144699 #1B5ECF #427FE6 #78A4ED #AEC8F4

Accessibility & contrast

On white

3.88

#427FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#427FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FE6

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427FE6	#FFFFFF	#000000	##000000
##427FE6	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B89EA

Deuteranopia (green-blind)

#297AE4

Tritanopia (blue-blind)

#0097A7

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #427fe6;
/* rgb */ color: rgb(66, 127, 230);
/* oklch */ color: oklch(60.9% 0.169 260.2);

Tailwind

colors: {
  custom: {
    50: '#8aa3ee',
    500: '#427fe6',
    950: '#000000',
  },
}

SCSS

$custom: #427fe6;
$custom-light: #8aa3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#427fe6",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 230
  },
  "hsl": {
    "h": 217.683,
    "s": 76.636,
    "l": 58.039
  },
  "oklch": {
    "l": 0.60867,
    "c": 0.16857,
    "h": 260.2
  },
  "luminance": 0.2205
}

Semantic roles & 50–950 ramp

primary

#427FE6

secondary

#E3CAA1

accent

#AC35F3

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #427FE6

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

Preview Lab → · Contrast checker → · Palette generator →