#42448C#42448C

#42448C is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.4% C 0.117 H 279.0°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#42448C
RGB	rgb(66, 68, 140)
HSL	hsl(238, 36%, 40%)
HSV	hsv(238, 53%, 55%)
CMYK	cmyk(52.9%, 51.4%, 0%, 45.1%)
CIE-LAB	lab(32.23, 20.42, -40.48)
CIE-LCH	lch(32.23, 45.34, 296.76°)
OKLab	oklab(42.37% 0.0182 -0.1154)
OKLCH	oklch(42.37% 0.117 279)
XYZ	xyz(9.0460, 7.1854, 25.7161)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42448C #8C8A42

analogous

#42698C #42448C #65428C

triadic

#42448C #8C4244 #448C42

tetradic

#42448C #8C4269 #8C8A42 #428C65

square

#42448C #8C4269 #8C8A42 #428C65

split-complementary

#42448C #8C6542 #698C42

monochromatic

#1B1C39 #2E3062 #42448C #5A5CB1 #8485C5

Accessibility & contrast

On white

8.62

#42448C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#42448C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42448C

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42448C	#FFFFFF	#000000	##FFFFFF
##42448C	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214F8F

Deuteranopia (green-blind)

#19498A

Tritanopia (blue-blind)

#235461

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #42448c;
/* rgb */ color: rgb(66, 68, 140);
/* oklch */ color: oklch(42.4% 0.117 279.0);

Tailwind

colors: {
  custom: {
    50: '#7c77ae',
    500: '#42448c',
    950: '#000000',
  },
}

SCSS

$custom: #42448c;
$custom-light: #7c77ae;
$custom-dark: #000000;

JSON

{
  "hex": "#42448c",
  "rgb": {
    "r": 66,
    "g": 68,
    "b": 140
  },
  "hsl": {
    "h": 238.378,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42374,
    "c": 0.11682,
    "h": 279
  },
  "luminance": 0.07186
}

Semantic roles & 50–950 ramp

primary

#42448C

secondary

#B0AE7A

accent

#C95CCC

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #42448C

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

Preview Lab → · Contrast checker → · Palette generator →