#424587#424587

#424587 is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.2% C 0.108 H 278.8°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#424587
RGB	rgb(66, 69, 135)
HSL	hsl(237, 34%, 39%)
HSV	hsv(237, 51%, 53%)
CMYK	cmyk(51.1%, 48.9%, 0%, 47.1%)
CIE-LAB	lab(32.18, 18.08, -37.48)
CIE-LCH	lch(32.18, 41.61, 295.76°)
OKLab	oklab(42.23% 0.0164 -0.1066)
OKLCH	oklch(42.23% 0.108 278.8)
XYZ	xyz(8.7467, 7.1633, 23.8387)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424587 #878442

analogous

#426887 #424587 #624287

triadic

#424587 #874245 #458742

tetradic

#424587 #874268 #878442 #428762

square

#424587 #874268 #878442 #428762

split-complementary

#424587 #876242 #688742

monochromatic

#1A1B35 #2E305E #424587 #595CAE #8284C2

Accessibility & contrast

On white

8.63

#424587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#424587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424587

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424587	#FFFFFF	#000000	##FFFFFF
##424587	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284E89

Deuteranopia (green-blind)

#224986

Tritanopia (blue-blind)

#27535F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #424587;
/* rgb */ color: rgb(66, 69, 135);
/* oklch */ color: oklch(42.2% 0.108 278.8);

Tailwind

colors: {
  custom: {
    50: '#7b78aa',
    500: '#424587',
    950: '#000000',
  },
}

SCSS

$custom: #424587;
$custom-light: #7b78aa;
$custom-dark: #000000;

JSON

{
  "hex": "#424587",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 135
  },
  "hsl": {
    "h": 237.391,
    "s": 34.328,
    "l": 39.412
  },
  "oklch": {
    "l": 0.42233,
    "c": 0.10783,
    "h": 278.8
  },
  "luminance": 0.07164
}

Semantic roles & 50–950 ramp

primary

#424587

secondary

#ACAA78

accent

#C65DCA

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424587

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

Preview Lab → · Contrast checker → · Palette generator →