#424F8E#424F8E

#424F8E is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.8% C 0.104 H 272.8°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#424F8E
RGB	rgb(66, 79, 142)
HSL	hsl(230, 37%, 41%)
HSV	hsv(230, 54%, 56%)
CMYK	cmyk(53.5%, 44.4%, 0%, 44.3%)
CIE-LAB	lab(35.41, 13.87, -36.62)
CIE-LCH	lch(35.41, 39.16, 290.74°)
OKLab	oklab(44.83% 0.005 -0.104)
OKLCH	oklch(44.83% 0.104 272.8)
XYZ	xyz(9.9237, 8.7026, 26.7428)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424F8E #8E8142

analogous

#42758E #424F8E #5B428E

triadic

#424F8E #8E424F #4F8E42

tetradic

#424F8E #8E4275 #8E8142 #428E5B

square

#424F8E #8E4275 #8E8142 #428E5B

split-complementary

#424F8E #8E5B42 #758E42

monochromatic

#1B213A #2F3864 #424F8E #5B6AB3 #8490C6

Accessibility & contrast

On white

7.66

#424F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#424F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F8E

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424F8E	#FFFFFF	#000000	##FFFFFF
##424F8E	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355790

Deuteranopia (green-blind)

#2C508D

Tritanopia (blue-blind)

#1F5D67

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #424f8e;
/* rgb */ color: rgb(66, 79, 142);
/* oklch */ color: oklch(44.8% 0.104 272.8);

Tailwind

colors: {
  custom: {
    50: '#7c80af',
    500: '#424f8e',
    950: '#000000',
  },
}

SCSS

$custom: #424f8e;
$custom-light: #7c80af;
$custom-dark: #000000;

JSON

{
  "hex": "#424f8e",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 142
  },
  "hsl": {
    "h": 229.737,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44828,
    "c": 0.10409,
    "h": 272.8
  },
  "luminance": 0.08703
}

Semantic roles & 50–950 ramp

primary

#424F8E

secondary

#B1A87B

accent

#B95BCD

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #424F8E

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

Preview Lab → · Contrast checker → · Palette generator →