#42477A#42477A

#42477A is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.8% C 0.085 H 277.8°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#42477A
RGB	rgb(66, 71, 122)
HSL	hsl(235, 30%, 37%)
HSV	hsv(235, 46%, 48%)
CMYK	cmyk(45.9%, 41.8%, 0%, 52.2%)
CIE-LAB	lab(31.96, 12.49, -29.75)
CIE-LCH	lch(31.96, 32.26, 292.77°)
OKLab	oklab(41.82% 0.0115 -0.0839)
OKLCH	oklch(41.82% 0.085 277.8)
XYZ	xyz(8.0118, 7.0695, 19.3510)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42477A #7A7542

analogous

#42637A #42477A #59427A

triadic

#42477A #7A4247 #477A42

tetradic

#42477A #7A4263 #7A7542 #427A59

square

#42477A #7A4263 #7A7542 #427A59

split-complementary

#42477A #7A5942 #637A42

monochromatic

#17192B #2D3052 #42477A #575EA2 #7D83B9

Accessibility & contrast

On white

8.70

#42477A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#42477A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42477A

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42477A	#FFFFFF	#000000	##FFFFFF
##42477A	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344D7C

Deuteranopia (green-blind)

#304979

Tritanopia (blue-blind)

#2F515A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #42477a;
/* rgb */ color: rgb(66, 71, 122);
/* oklch */ color: oklch(41.8% 0.085 277.8);

Tailwind

colors: {
  custom: {
    50: '#797aa1',
    500: '#42477a',
    950: '#000000',
  },
}

SCSS

$custom: #42477a;
$custom-light: #797aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#42477a",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 122
  },
  "hsl": {
    "h": 234.643,
    "s": 29.787,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4182,
    "c": 0.08471,
    "h": 277.8
  },
  "luminance": 0.0707
}

Semantic roles & 50–950 ramp

primary

#42477A

secondary

#A4A074

accent

#BD62C6

background

#F7F7F9

surface

#EEEDF2

border

#C9C8CC

text

#09090F

muted

#7B7B7E

Preview Lab

Preview with #42477A

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

Preview Lab → · Contrast checker → · Palette generator →