#424D8E#424D8E

#424D8E is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.4% C 0.107 H 274.0°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#424D8E
RGB	rgb(66, 77, 142)
HSL	hsl(231, 37%, 41%)
HSV	hsv(231, 54%, 56%)
CMYK	cmyk(53.5%, 45.8%, 0%, 44.3%)
CIE-LAB	lab(34.84, 15.18, -37.52)
CIE-LCH	lch(34.84, 40.47, 292.02°)
OKLab	oklab(44.4% 0.0075 -0.1066)
OKLCH	oklch(44.4% 0.107 274)
XYZ	xyz(9.7816, 8.4184, 26.6954)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424D8E #8E8342

analogous

#42738E #424D8E #5D428E

triadic

#424D8E #8E424D #4D8E42

tetradic

#424D8E #8E4273 #8E8342 #428E5D

square

#424D8E #8E4273 #8E8342 #428E5D

split-complementary

#424D8E #8E5D42 #738E42

monochromatic

#1B203A #2F3664 #424D8E #5B67B3 #848EC6

Accessibility & contrast

On white

7.82

#424D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#424D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424D8E

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424D8E	#FFFFFF	#000000	##FFFFFF
##424D8E	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315590

Deuteranopia (green-blind)

#294F8D

Tritanopia (blue-blind)

#205B66

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #424d8e;
/* rgb */ color: rgb(66, 77, 142);
/* oklch */ color: oklch(44.4% 0.107 274.0);

Tailwind

colors: {
  custom: {
    50: '#7c7eaf',
    500: '#424d8e',
    950: '#000000',
  },
}

SCSS

$custom: #424d8e;
$custom-light: #7c7eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#424d8e",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 142
  },
  "hsl": {
    "h": 231.316,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44396,
    "c": 0.10689,
    "h": 274
  },
  "luminance": 0.08419
}

Semantic roles & 50–950 ramp

primary

#424D8E

secondary

#B1A97B

accent

#BC5BCD

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #424D8E

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

Preview Lab → · Contrast checker → · Palette generator →