#42548E#42548E

#42548E is a mid, moderate blue. Relative luminance 0.095; OKLCH L 45.9% C 0.097 H 269.3°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#42548E
RGB	rgb(66, 84, 142)
HSL	hsl(226, 37%, 41%)
HSV	hsv(226, 54%, 56%)
CMYK	cmyk(53.5%, 40.8%, 0%, 44.3%)
CIE-LAB	lab(36.84, 10.61, -34.34)
CIE-LCH	lch(36.84, 35.95, 287.17°)
OKLab	oklab(45.93% -0.0012 -0.0973)
OKLCH	oklch(45.93% 0.097 269.3)
XYZ	xyz(10.2980, 9.4512, 26.8676)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42548E #8E7C42

analogous

#427A8E #42548E #56428E

triadic

#42548E #8E4254 #548E42

tetradic

#42548E #8E427A #8E7C42 #428E56

square

#42548E #8E427A #8E7C42 #428E56

split-complementary

#42548E #8E5642 #7A8E42

monochromatic

#1B233A #2F3B64 #42548E #5B6FB3 #8494C6

Accessibility & contrast

On white

7.27

#42548E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#42548E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42548E

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42548E	#FFFFFF	#000000	##FFFFFF
##42548E	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5A90

Deuteranopia (green-blind)

#34548D

Tritanopia (blue-blind)

#1E606A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #42548e;
/* rgb */ color: rgb(66, 84, 142);
/* oklch */ color: oklch(45.9% 0.097 269.3);

Tailwind

colors: {
  custom: {
    50: '#7c83af',
    500: '#42548e',
    950: '#000000',
  },
}

SCSS

$custom: #42548e;
$custom-light: #7c83af;
$custom-dark: #000000;

JSON

{
  "hex": "#42548e",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 142
  },
  "hsl": {
    "h": 225.789,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.45928,
    "c": 0.09727,
    "h": 269.3
  },
  "luminance": 0.09452
}

Semantic roles & 50–950 ramp

primary

#42548E

secondary

#B1A47B

accent

#B25BCD

background

#F7F8FA

surface

#EEEFF4

border

#C9CACE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #42548E

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

Preview Lab → · Contrast checker → · Palette generator →