#426DCB#426DCB

#426DCB is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.153 H 263.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#426DCB
RGB	rgb(66, 109, 203)
HSL	hsl(221, 57%, 53%)
HSV	hsv(221, 67%, 80%)
CMYK	cmyk(67.5%, 46.3%, 0%, 20.4%)
CIE-LAB	lab(47.50, 16.00, -53.27)
CIE-LCH	lch(47.50, 55.62, 286.72°)
OKLab	oklab(55.29% -0.0169 -0.1525)
OKLCH	oklch(55.29% 0.153 263.7)
XYZ	xyz(18.4911, 16.4055, 58.6804)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#426DCB #CBA042

analogous

#42B1CB #426DCB #5C42CB

triadic

#426DCB #CB426D #6DCB42

tetradic

#426DCB #CB42B1 #CBA042 #42CB5C

square

#426DCB #CB42B1 #CBA042 #42CB5C

split-complementary

#426DCB #CB5C42 #B1CB42

monochromatic

#203A73 #2D52A3 #426DCB #7292D8 #A2B7E5

Accessibility & contrast

On white

4.90

#426DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#426DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #426DCB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##426DCB	#FFFFFF	#000000	##FFFFFF
##426DCB	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D77CF

Deuteranopia (green-blind)

#216BC9

Tritanopia (blue-blind)

#008392

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #426dcb;
/* rgb */ color: rgb(66, 109, 203);
/* oklch */ color: oklch(55.3% 0.153 263.7);

Tailwind

colors: {
  custom: {
    50: '#8596db',
    500: '#426dcb',
    950: '#000000',
  },
}

SCSS

$custom: #426dcb;
$custom-light: #8596db;
$custom-dark: #000000;

JSON

{
  "hex": "#426dcb",
  "rgb": {
    "r": 66,
    "g": 109,
    "b": 203
  },
  "hsl": {
    "h": 221.168,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55287,
    "c": 0.15344,
    "h": 263.7
  },
  "luminance": 0.16407
}

Semantic roles & 50–950 ramp

primary

#426DCB

secondary

#D2BF97

accent

#B048E0

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #426DCB

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

Preview Lab → · Contrast checker → · Palette generator →