#42477F#42477F

#42477F is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.1% C 0.093 H 277.8°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#42477F
RGB	rgb(66, 71, 127)
HSL	hsl(235, 32%, 38%)
HSV	hsv(235, 48%, 50%)
CMYK	cmyk(48%, 44.1%, 0%, 50.2%)
CIE-LAB	lab(32.25, 14.12, -32.41)
CIE-LCH	lch(32.25, 35.35, 293.54°)
OKLab	oklab(42.13% 0.0125 -0.0917)
OKLCH	oklch(42.13% 0.093 277.8)
XYZ	xyz(8.3296, 7.1966, 21.0247)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42477F #7F7A42

analogous

#42657F #42477F #5B427F

triadic

#42477F #7F4247 #477F42

tetradic

#42477F #7F4265 #7F7A42 #427F5B

square

#42477F #7F4265 #7F7A42 #427F5B

split-complementary

#42477F #7F5B42 #657F42

monochromatic

#181A2E #2D3057 #42477F #575EA7 #7F84BC

Accessibility & contrast

On white

8.61

#42477F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#42477F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42477F

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42477F	#FFFFFF	#000000	##FFFFFF
##42477F	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314E81

Deuteranopia (green-blind)

#2D4A7E

Tritanopia (blue-blind)

#2C535D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #42477f;
/* rgb */ color: rgb(66, 71, 127);
/* oklch */ color: oklch(42.1% 0.093 277.8);

Tailwind

colors: {
  custom: {
    50: '#7a7aa4',
    500: '#42477f',
    950: '#000000',
  },
}

SCSS

$custom: #42477f;
$custom-light: #7a7aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#42477f",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 127
  },
  "hsl": {
    "h": 235.082,
    "s": 31.606,
    "l": 37.843
  },
  "oklch": {
    "l": 0.42132,
    "c": 0.09255,
    "h": 277.8
  },
  "luminance": 0.07197
}

Semantic roles & 50–950 ramp

primary

#42477F

secondary

#A7A375

accent

#BF60C8

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #42477F

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

Preview Lab → · Contrast checker → · Palette generator →