#424B8D#424B8D

#424B8D is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.9% C 0.108 H 275.2°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#424B8D
RGB	rgb(66, 75, 141)
HSL	hsl(233, 36%, 41%)
HSV	hsv(233, 53%, 55%)
CMYK	cmyk(53.2%, 46.8%, 0%, 44.7%)
CIE-LAB	lab(34.22, 16.15, -37.90)
CIE-LCH	lch(34.22, 41.20, 293.08°)
OKLab	oklab(43.9% 0.0098 -0.1078)
OKLCH	oklch(43.9% 0.108 275.2)
XYZ	xyz(9.5690, 8.1129, 26.2559)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B8D #8D8442

analogous

#42708D #424B8D #5E428D

triadic

#424B8D #8D424B #4B8D42

tetradic

#424B8D #8D4270 #8D8442 #428D5E

square

#424B8D #8D4270 #8D8442 #428D5E

split-complementary

#424B8D #8D5E42 #708D42

monochromatic

#1B1F3A #2E3563 #424B8D #5A65B2 #848CC5

Accessibility & contrast

On white

8.01

#424B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#424B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B8D

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B8D	#FFFFFF	#000000	##FFFFFF
##424B8D	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E548F

Deuteranopia (green-blind)

#274E8C

Tritanopia (blue-blind)

#215965

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #424b8d;
/* rgb */ color: rgb(66, 75, 141);
/* oklch */ color: oklch(43.9% 0.108 275.2);

Tailwind

colors: {
  custom: {
    50: '#7c7daf',
    500: '#424b8d',
    950: '#000000',
  },
}

SCSS

$custom: #424b8d;
$custom-light: #7c7daf;
$custom-dark: #000000;

JSON

{
  "hex": "#424b8d",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 141
  },
  "hsl": {
    "h": 232.8,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43902,
    "c": 0.10821,
    "h": 275.2
  },
  "luminance": 0.08113
}

Semantic roles & 50–950 ramp

primary

#424B8D

secondary

#B0AA7B

accent

#BF5CCC

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424B8D

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

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