#42449D#42449D

#42449D is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.142 H 277.8°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#42449D
RGB	rgb(66, 68, 157)
HSL	hsl(239, 41%, 44%)
HSV	hsv(239, 58%, 62%)
CMYK	cmyk(58%, 56.7%, 0%, 38.4%)
CIE-LAB	lab(33.41, 26.18, -48.94)
CIE-LCH	lch(33.41, 55.50, 298.14°)
OKLab	oklab(43.64% 0.0192 -0.1403)
OKLCH	oklch(43.64% 0.142 277.8)
XYZ	xyz(10.3978, 7.7261, 32.8351)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42449D #9D9B42

analogous

#42719D #42449D #6D429D

triadic

#42449D #9D4244 #449D42

tetradic

#42449D #9D4271 #9D9B42 #429D6D

square

#42449D #9D4271 #9D9B42 #429D6D

split-complementary

#42449D #9D6D42 #719D42

monochromatic

#1E1F47 #303172 #42449D #6062BC #8B8DCE

Accessibility & contrast

On white

8.25

#42449D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#42449D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42449D

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42449D	#FFFFFF	#000000	##FFFFFF
##42449D	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A0

Deuteranopia (green-blind)

#004B9B

Tritanopia (blue-blind)

#0C5969

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #42449d;
/* rgb */ color: rgb(66, 68, 157);
/* oklch */ color: oklch(43.6% 0.142 277.8);

Tailwind

colors: {
  custom: {
    50: '#7f78bb',
    500: '#42449d',
    950: '#000000',
  },
}

SCSS

$custom: #42449d;
$custom-light: #7f78bb;
$custom-dark: #000000;

JSON

{
  "hex": "#42449d",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 157
  },
  "hsl": {
    "h": 238.681,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43635,
    "c": 0.14158,
    "h": 277.8
  },
  "luminance": 0.07727
}

Semantic roles & 50–950 ramp

primary

#42449D

secondary

#B9B882

accent

#CE57D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #42449D

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

Preview Lab → · Contrast checker → · Palette generator →