#42487F#42487F

#42487F is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.4% C 0.091 H 277.1°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#42487F
RGB	rgb(66, 72, 127)
HSL	hsl(234, 32%, 38%)
HSV	hsv(234, 48%, 50%)
CMYK	cmyk(48%, 43.3%, 0%, 50.2%)
CIE-LAB	lab(32.54, 13.46, -31.96)
CIE-LCH	lch(32.54, 34.67, 292.84°)
OKLab	oklab(42.35% 0.0112 -0.0904)
OKLCH	oklch(42.35% 0.091 277.1)
XYZ	xyz(8.3937, 7.3248, 21.0461)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42487F #7F7942

analogous

#42667F #42487F #5A427F

triadic

#42487F #7F4248 #487F42

tetradic

#42487F #7F4266 #7F7942 #427F5A

square

#42487F #7F4266 #7F7942 #427F5A

split-complementary

#42487F #7F5A42 #667F42

monochromatic

#181A2E #2D3157 #42487F #575FA7 #7F85BC

Accessibility & contrast

On white

8.52

#42487F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#42487F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42487F

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42487F	#FFFFFF	#000000	##FFFFFF
##42487F	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334F81

Deuteranopia (green-blind)

#2E4A7E

Tritanopia (blue-blind)

#2C535D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #42487f;
/* rgb */ color: rgb(66, 72, 127);
/* oklch */ color: oklch(42.4% 0.091 277.1);

Tailwind

colors: {
  custom: {
    50: '#7a7aa4',
    500: '#42487f',
    950: '#000000',
  },
}

SCSS

$custom: #42487f;
$custom-light: #7a7aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#42487f",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 127
  },
  "hsl": {
    "h": 234.098,
    "s": 31.606,
    "l": 37.843
  },
  "oklch": {
    "l": 0.4235,
    "c": 0.09106,
    "h": 277.1
  },
  "luminance": 0.07325
}

Semantic roles & 50–950 ramp

primary

#42487F

secondary

#A7A275

accent

#BE60C8

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #42487F

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

Preview Lab → · Contrast checker → · Palette generator →