#42487E#42487E

#42487E is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.3% C 0.089 H 277.1°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#42487E
RGB	rgb(66, 72, 126)
HSL	hsl(234, 31%, 38%)
HSV	hsv(234, 48%, 49%)
CMYK	cmyk(47.6%, 42.9%, 0%, 50.6%)
CIE-LAB	lab(32.48, 13.13, -31.43)
CIE-LCH	lch(32.48, 34.06, 292.67°)
OKLab	oklab(42.29% 0.011 -0.0888)
OKLCH	oklch(42.29% 0.09 277.1)
XYZ	xyz(8.3289, 7.2989, 20.7046)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42487E #7E7842

analogous

#42667E #42487E #5A427E

triadic

#42487E #7E4248 #487E42

tetradic

#42487E #7E4266 #7E7842 #427E5A

square

#42487E #7E4266 #7E7842 #427E5A

split-complementary

#42487E #7E5A42 #667E42

monochromatic

#181A2E #2D3156 #42487E #575FA6 #7F85BC

Accessibility & contrast

On white

8.54

#42487E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#42487E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42487E

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42487E	#FFFFFF	#000000	##FFFFFF
##42487E	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344F80

Deuteranopia (green-blind)

#2F4A7D

Tritanopia (blue-blind)

#2D535D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #42487e;
/* rgb */ color: rgb(66, 72, 126);
/* oklch */ color: oklch(42.3% 0.089 277.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42487e",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 126
  },
  "hsl": {
    "h": 234,
    "s": 31.25,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42287,
    "c": 0.0895,
    "h": 277.1
  },
  "luminance": 0.07299
}

Semantic roles & 50–950 ramp

primary

#42487E

secondary

#A7A275

accent

#BD60C7

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #42487E

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

Preview Lab → · Contrast checker → · Palette generator →