#42449E#42449E

#42449E is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.7% C 0.143 H 277.7°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#42449E
RGB	rgb(66, 68, 158)
HSL	hsl(239, 41%, 44%)
HSV	hsv(239, 58%, 62%)
CMYK	cmyk(58.2%, 57%, 0%, 38%)
CIE-LAB	lab(33.48, 26.52, -49.42)
CIE-LCH	lch(33.48, 56.09, 298.21°)
OKLab	oklab(43.71% 0.0193 -0.1417)
OKLCH	oklch(43.71% 0.143 277.7)
XYZ	xyz(10.4835, 7.7604, 33.2866)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42449E #9E9C42

analogous

#42729E #42449E #6E429E

triadic

#42449E #9E4244 #449E42

tetradic

#42449E #9E4272 #9E9C42 #429E6E

square

#42449E #9E4272 #9E9C42 #429E6E

split-complementary

#42449E #9E6E42 #729E42

monochromatic

#1E1F48 #303173 #42449E #6062BD #8C8DCF

Accessibility & contrast

On white

8.23

#42449E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#42449E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42449E

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42449E	#FFFFFF	#000000	##FFFFFF
##42449E	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A1

Deuteranopia (green-blind)

#004B9C

Tritanopia (blue-blind)

#09596A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #42449e;
/* rgb */ color: rgb(66, 68, 158);
/* oklch */ color: oklch(43.7% 0.143 277.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42449e",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 158
  },
  "hsl": {
    "h": 238.696,
    "s": 41.071,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43713,
    "c": 0.143,
    "h": 277.7
  },
  "luminance": 0.07761
}

Semantic roles & 50–950 ramp

primary

#42449E

secondary

#BAB982

accent

#CE57D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #42449E

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

Preview Lab → · Contrast checker → · Palette generator →