#424787#424787

#424787 is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.7% C 0.105 H 277.6°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#424787
RGB	rgb(66, 71, 135)
HSL	hsl(236, 34%, 39%)
HSV	hsv(236, 51%, 53%)
CMYK	cmyk(51.1%, 47.4%, 0%, 47.1%)
CIE-LAB	lab(32.73, 16.77, -36.59)
CIE-LCH	lch(32.73, 40.25, 294.61°)
OKLab	oklab(42.65% 0.0139 -0.104)
OKLCH	oklch(42.65% 0.105 277.6)
XYZ	xyz(8.8718, 7.4135, 23.8804)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424787 #878242

analogous

#426A87 #424787 #604287

triadic

#424787 #874247 #478742

tetradic

#424787 #87426A #878242 #428760

square

#424787 #87426A #878242 #428760

split-complementary

#424787 #876042 #6A8742

monochromatic

#1A1C35 #2E315E #424787 #595FAE #8286C2

Accessibility & contrast

On white

8.46

#424787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#424787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424787

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424787	#FFFFFF	#000000	##FFFFFF
##424787	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5089

Deuteranopia (green-blind)

#264A86

Tritanopia (blue-blind)

#275560

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424787;
/* rgb */ color: rgb(66, 71, 135);
/* oklch */ color: oklch(42.7% 0.105 277.6);

Tailwind

colors: {
  custom: {
    50: '#7b7aaa',
    500: '#424787',
    950: '#000000',
  },
}

SCSS

$custom: #424787;
$custom-light: #7b7aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#424787",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 135
  },
  "hsl": {
    "h": 235.652,
    "s": 34.328,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42653,
    "c": 0.10488,
    "h": 277.6
  },
  "luminance": 0.07414
}

Semantic roles & 50–950 ramp

primary

#424787

secondary

#ACA978

accent

#C35DCA

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424787

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

Preview Lab → · Contrast checker → · Palette generator →