#42449A#42449A

#42449A is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.137 H 278.0°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#42449A
RGB	rgb(66, 68, 154)
HSL	hsl(239, 40%, 43%)
HSV	hsv(239, 57%, 60%)
CMYK	cmyk(57.1%, 55.8%, 0%, 39.6%)
CIE-LAB	lab(33.19, 25.15, -47.47)
CIE-LCH	lch(33.19, 53.72, 297.92°)
OKLab	oklab(43.41% 0.0191 -0.136)
OKLCH	oklch(43.41% 0.137 278)
XYZ	xyz(10.1448, 7.6249, 31.5028)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42449A #9A9842

analogous

#42709A #42449A #6C429A

triadic

#42449A #9A4244 #449A42

tetradic

#42449A #9A4270 #9A9842 #429A6C

square

#42449A #9A4270 #9A9842 #429A6C

split-complementary

#42449A #9A6C42 #709A42

monochromatic

#1D1E44 #30316F #42449A #5F61BA #8A8BCD

Accessibility & contrast

On white

8.32

#42449A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#42449A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42449A

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42449A	#FFFFFF	#000000	##FFFFFF
##42449A	1.00	8.32	2.53	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A529D

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#125868

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #42449a;
/* rgb */ color: rgb(66, 68, 154);
/* oklch */ color: oklch(43.4% 0.137 278.0);

Tailwind

colors: {
  custom: {
    50: '#7e78b8',
    500: '#42449a',
    950: '#000000',
  },
}

SCSS

$custom: #42449a;
$custom-light: #7e78b8;
$custom-dark: #000000;

JSON

{
  "hex": "#42449a",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 154
  },
  "hsl": {
    "h": 238.636,
    "s": 40,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43405,
    "c": 0.1373,
    "h": 278
  },
  "luminance": 0.07626
}

Semantic roles & 50–950 ramp

primary

#42449A

secondary

#B8B680

accent

#CD58D0

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #42449A

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

Preview Lab → · Contrast checker → · Palette generator →