#424B7E#424B7E

#424B7E is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.9% C 0.085 H 274.7°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#424B7E
RGB	rgb(66, 75, 126)
HSL	hsl(231, 31%, 38%)
HSV	hsv(231, 48%, 49%)
CMYK	cmyk(47.6%, 40.5%, 0%, 50.6%)
CIE-LAB	lab(33.34, 11.16, -30.06)
CIE-LCH	lch(33.34, 32.06, 290.36°)
OKLab	oklab(42.95% 0.0069 -0.0848)
OKLCH	oklch(42.95% 0.085 274.7)
XYZ	xyz(8.5276, 7.6963, 20.7708)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B7E #7E7542

analogous

#42697E #424B7E #57427E

triadic

#424B7E #7E424B #4B7E42

tetradic

#424B7E #7E4269 #7E7542 #427E57

square

#424B7E #7E4269 #7E7542 #427E57

split-complementary

#424B7E #7E5742 #697E42

monochromatic

#181B2E #2D3356 #424B7E #5763A6 #7F88BC

Accessibility & contrast

On white

8.27

#424B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#424B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B7E

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B7E	#FFFFFF	#000000	##FFFFFF
##424B7E	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385180

Deuteranopia (green-blind)

#334C7D

Tritanopia (blue-blind)

#2C565E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424b7e;
/* rgb */ color: rgb(66, 75, 126);
/* oklch */ color: oklch(42.9% 0.085 274.7);

Tailwind

colors: {
  custom: {
    50: '#7a7da3',
    500: '#424b7e',
    950: '#000000',
  },
}

SCSS

$custom: #424b7e;
$custom-light: #7a7da3;
$custom-dark: #000000;

JSON

{
  "hex": "#424b7e",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 126
  },
  "hsl": {
    "h": 231,
    "s": 31.25,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42949,
    "c": 0.08509,
    "h": 274.7
  },
  "luminance": 0.07697
}

Semantic roles & 50–950 ramp

primary

#424B7E

secondary

#A79F75

accent

#B860C7

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #424B7E

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

Preview Lab → · Contrast checker → · Palette generator →