#424597#424597

#424597 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.132 H 277.8°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#424597
RGB	rgb(66, 69, 151)
HSL	hsl(238, 39%, 43%)
HSV	hsv(238, 56%, 59%)
CMYK	cmyk(56.3%, 54.3%, 0%, 40.8%)
CIE-LAB	lab(33.24, 23.48, -45.57)
CIE-LCH	lch(33.24, 51.26, 297.26°)
OKLab	oklab(43.38% 0.0179 -0.1303)
OKLCH	oklch(43.38% 0.132 277.8)
XYZ	xyz(9.9590, 7.6482, 30.2236)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424597 #979442

analogous

#427097 #424597 #694297

triadic

#424597 #974245 #459742

tetradic

#424597 #974270 #979442 #429769

square

#424597 #974270 #979442 #429769

split-complementary

#424597 #976942 #709742

monochromatic

#1D1E42 #2F326C #424597 #5E61B8 #888BCB

Accessibility & contrast

On white

8.30

#424597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#424597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424597

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424597	#FFFFFF	#000000	##FFFFFF
##424597	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15529A

Deuteranopia (green-blind)

#024B95

Tritanopia (blue-blind)

#175867

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424597;
/* rgb */ color: rgb(66, 69, 151);
/* oklch */ color: oklch(43.4% 0.132 277.8);

Tailwind

colors: {
  custom: {
    50: '#7e78b6',
    500: '#424597',
    950: '#000000',
  },
}

SCSS

$custom: #424597;
$custom-light: #7e78b6;
$custom-dark: #000000;

JSON

{
  "hex": "#424597",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 151
  },
  "hsl": {
    "h": 237.882,
    "s": 39.171,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43375,
    "c": 0.13157,
    "h": 277.8
  },
  "luminance": 0.07649
}

Semantic roles & 50–950 ramp

primary

#424597

secondary

#B6B47F

accent

#CB59CF

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #424597

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

Preview Lab → · Contrast checker → · Palette generator →