#42449F#42449F

#42449F is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.8% C 0.144 H 277.7°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#42449F
RGB	rgb(66, 68, 159)
HSL	hsl(239, 41%, 44%)
HSV	hsv(239, 58%, 62%)
CMYK	cmyk(58.5%, 57.2%, 0%, 37.6%)
CIE-LAB	lab(33.55, 26.86, -49.91)
CIE-LCH	lch(33.55, 56.67, 298.29°)
OKLab	oklab(43.79% 0.0193 -0.1431)
OKLCH	oklch(43.79% 0.144 277.7)
XYZ	xyz(10.5699, 7.7950, 33.7418)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42449F #9F9D42

analogous

#42739F #42449F #6F429F

triadic

#42449F #9F4244 #449F42

tetradic

#42449F #9F4273 #9F9D42 #429F6F

square

#42449F #9F4273 #9F9D42 #429F6F

split-complementary

#42449F #9F6F42 #739F42

monochromatic

#1E1F49 #303274 #42449F #6163BD #8C8ECF

Accessibility & contrast

On white

8.21

#42449F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#42449F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42449F

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42449F	#FFFFFF	#000000	##FFFFFF
##42449F	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#004B9D

Tritanopia (blue-blind)

#07596B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #42449f;
/* rgb */ color: rgb(66, 68, 159);
/* oklch */ color: oklch(43.8% 0.144 277.7);

Tailwind

colors: {
  custom: {
    50: '#7f78bc',
    500: '#42449f',
    950: '#000000',
  },
}

SCSS

$custom: #42449f;
$custom-light: #7f78bc;
$custom-dark: #000000;

JSON

{
  "hex": "#42449f",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 159
  },
  "hsl": {
    "h": 238.71,
    "s": 41.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43791,
    "c": 0.14441,
    "h": 277.7
  },
  "luminance": 0.07796
}

Semantic roles & 50–950 ramp

primary

#42449F

secondary

#BAB982

accent

#CF57D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #42449F

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

Preview Lab → · Contrast checker → · Palette generator →