#426FDF#426FDF

#426FDF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.178 H 264.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#426FDF
RGB	rgb(66, 111, 223)
HSL	hsl(223, 71%, 57%)
HSV	hsv(223, 70%, 87%)
CMYK	cmyk(70.4%, 50.2%, 0%, 12.5%)
CIE-LAB	lab(49.32, 21.91, -61.73)
CIE-LCH	lch(49.32, 65.50, 289.54°)
OKLab	oklab(57.08% -0.016 -0.1773)
OKLCH	oklch(57.08% 0.178 264.8)
XYZ	xyz(21.2458, 17.8526, 72.1239)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#426FDF #DFB242

analogous

#42BDDF #426FDF #6442DF

triadic

#426FDF #DF426F #6FDF42

tetradic

#426FDF #DF42BD #DFB242 #42DF64

square

#426FDF #DF42BD #DFB242 #42DF64

split-complementary

#426FDF #DF6442 #BDDF42

monochromatic

#183A8E #214FC3 #426FDF #7697E8 #ABBFF1

Accessibility & contrast

On white

4.59

#426FDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#426FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #426FDF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##426FDF	#FFFFFF	#000000	##FFFFFF
##426FDF	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B7DE3

Deuteranopia (green-blind)

#006EDD

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #426fdf;
/* rgb */ color: rgb(66, 111, 223);
/* oklch */ color: oklch(57.1% 0.178 264.8);

Tailwind

colors: {
  custom: {
    50: '#8997ea',
    500: '#426fdf',
    950: '#000000',
  },
}

SCSS

$custom: #426fdf;
$custom-light: #8997ea;
$custom-dark: #000000;

JSON

{
  "hex": "#426fdf",
  "rgb": {
    "r": 66,
    "g": 111,
    "b": 223
  },
  "hsl": {
    "h": 222.803,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57081,
    "c": 0.17806,
    "h": 264.8
  },
  "luminance": 0.17855
}

Semantic roles & 50–950 ramp

primary

#426FDF

secondary

#DFCC9E

accent

#BA3AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #426FDF

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

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