#426FB5#426FB5

#426FB5 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.3% C 0.121 H 258.9°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#426FB5
RGB	rgb(66, 111, 181)
HSL	hsl(217, 47%, 48%)
HSV	hsv(217, 64%, 71%)
CMYK	cmyk(63.5%, 38.7%, 0%, 29%)
CIE-LAB	lab(46.79, 6.96, -41.71)
CIE-LCH	lch(46.79, 42.29, 279.47°)
OKLab	oklab(54.33% -0.0232 -0.1185)
OKLCH	oklch(54.33% 0.121 258.9)
XYZ	xyz(16.2687, 15.8618, 45.9114)
Luminance	0.1586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#426FB5 #B58842

analogous

#42A8B5 #426FB5 #4E42B5

triadic

#426FB5 #B5426F #6FB542

tetradic

#426FB5 #B542A8 #B58842 #42B54E

square

#426FB5 #B542A8 #B58842 #42B54E

split-complementary

#426FB5 #B54E42 #A8B542

monochromatic

#21385B #325388 #426FB5 #6B90C9 #98B2D9

Accessibility & contrast

On white

5.03

#426FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#426FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #426FB5

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##426FB5	#FFFFFF	#000000	##FFFFFF
##426FB5	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5075B8

Deuteranopia (green-blind)

#406AB4

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #426fb5;
/* rgb */ color: rgb(66, 111, 181);
/* oklch */ color: oklch(54.3% 0.121 258.9);

Tailwind

colors: {
  custom: {
    50: '#8197cb',
    500: '#426fb5',
    950: '#000000',
  },
}

SCSS

$custom: #426fb5;
$custom-light: #8197cb;
$custom-dark: #000000;

JSON

{
  "hex": "#426fb5",
  "rgb": {
    "r": 66,
    "g": 111,
    "b": 181
  },
  "hsl": {
    "h": 216.522,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54327,
    "c": 0.12078,
    "h": 258.9
  },
  "luminance": 0.15863
}

Semantic roles & 50–950 ramp

primary

#426FB5

secondary

#C5AF8E

accent

#A252D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #426FB5

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

Preview Lab → · Contrast checker → · Palette generator →