#424DA0#424DA0

#424DA0 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.134 H 274.2°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#424DA0
RGB	rgb(66, 77, 160)
HSL	hsl(233, 42%, 44%)
HSV	hsv(233, 59%, 63%)
CMYK	cmyk(58.8%, 51.9%, 0%, 37.3%)
CIE-LAB	lab(35.99, 21.35, -46.57)
CIE-LCH	lch(35.99, 51.23, 294.63°)
OKLab	oklab(45.64% 0.0098 -0.1332)
OKLCH	oklch(45.64% 0.134 274.2)
XYZ	xyz(11.2437, 9.0032, 34.3962)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DA0 #A09542

analogous

#427CA0 #424DA0 #6642A0

triadic

#424DA0 #A0424D #4DA042

tetradic

#424DA0 #A0427C #A09542 #42A066

square

#424DA0 #A0427C #A09542 #42A066

split-complementary

#424DA0 #A06642 #7CA042

monochromatic

#1E2349 #303875 #424DA0 #616CBE #8D94D0

Accessibility & contrast

On white

7.50

#424DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#424DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424DA0

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DA0	#FFFFFF	#000000	##FFFFFF
##424DA0	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2059A3

Deuteranopia (green-blind)

#0C519E

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424da0;
/* rgb */ color: rgb(66, 77, 160);
/* oklch */ color: oklch(45.6% 0.134 274.2);

Tailwind

colors: {
  custom: {
    50: '#7f7ebd',
    500: '#424da0',
    950: '#000000',
  },
}

SCSS

$custom: #424da0;
$custom-light: #7f7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#424da0",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 160
  },
  "hsl": {
    "h": 232.979,
    "s": 41.593,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45639,
    "c": 0.13358,
    "h": 274.2
  },
  "luminance": 0.09004
}

Semantic roles & 50–950 ramp

primary

#424DA0

secondary

#BBB483

accent

#C356D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424DA0

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

Preview Lab → · Contrast checker → · Palette generator →