#424DA2#424DA2

#424DA2 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.136 H 274.2°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#424DA2
RGB	rgb(66, 77, 162)
HSL	hsl(233, 42%, 45%)
HSV	hsv(233, 59%, 64%)
CMYK	cmyk(59.3%, 52.5%, 0%, 36.5%)
CIE-LAB	lab(36.13, 22.04, -47.55)
CIE-LCH	lch(36.13, 52.42, 294.87°)
OKLab	oklab(45.79% 0.0099 -0.1361)
OKLCH	oklch(45.79% 0.136 274.2)
XYZ	xyz(11.4201, 9.0738, 35.3250)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DA2 #A29742

analogous

#427DA2 #424DA2 #6742A2

triadic

#424DA2 #A2424D #4DA242

tetradic

#424DA2 #A2427D #A29742 #42A267

square

#424DA2 #A2427D #A29742 #42A267

split-complementary

#424DA2 #A26742 #7DA242

monochromatic

#1F244B #303877 #424DA2 #626DBF #8E95D1

Accessibility & contrast

On white

7.46

#424DA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#424DA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424DA2

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DA2	#FFFFFF	#000000	##FFFFFF
##424DA2	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D59A5

Deuteranopia (green-blind)

#0551A0

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424da2;
/* rgb */ color: rgb(66, 77, 162);
/* oklch */ color: oklch(45.8% 0.136 274.2);

Tailwind

colors: {
  custom: {
    50: '#7f7ebe',
    500: '#424da2',
    950: '#000000',
  },
}

SCSS

$custom: #424da2;
$custom-light: #7f7ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#424da2",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 162
  },
  "hsl": {
    "h": 233.125,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45785,
    "c": 0.13647,
    "h": 274.2
  },
  "luminance": 0.09075
}

Semantic roles & 50–950 ramp

primary

#424DA2

secondary

#BCB684

accent

#C456D2

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424DA2

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

Preview Lab → · Contrast checker → · Palette generator →