#3042A3#3042A3

#3042A3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.6% C 0.157 H 270.3°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3042A3
RGB	rgb(48, 66, 163)
HSL	hsl(231, 55%, 41%)
HSV	hsv(231, 71%, 64%)
CMYK	cmyk(70.6%, 59.5%, 0%, 36.1%)
CIE-LAB	lab(32.19, 26.56, -54.59)
CIE-LCH	lch(32.19, 60.71, 295.95°)
OKLab	oklab(42.57% 0.0008 -0.1574)
OKLCH	oklch(42.57% 0.157 270.3)
XYZ	xyz(9.7757, 7.1682, 35.5116)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3042A3 #A39130

analogous

#307CA3 #3042A3 #5830A3

triadic

#3042A3 #A33042 #42A330

tetradic

#3042A3 #A3307C #A39130 #30A358

square

#3042A3 #A3307C #A39130 #30A358

split-complementary

#3042A3 #A35830 #7CA330

monochromatic

#141C44 #222F74 #3042A3 #475CC9 #7786D7

Accessibility & contrast

On white

8.63

#3042A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3042A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3042A3

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3042A3	#FFFFFF	#000000	##FFFFFF
##3042A3	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A6

Deuteranopia (green-blind)

#0047A1

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3042a3;
/* rgb */ color: rgb(48, 66, 163);
/* oklch */ color: oklch(42.6% 0.157 270.3);

Tailwind

colors: {
  custom: {
    50: '#7876bf',
    500: '#3042a3',
    950: '#000000',
  },
}

SCSS

$custom: #3042a3;
$custom-light: #7876bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3042a3",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 163
  },
  "hsl": {
    "h": 230.609,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42568,
    "c": 0.15737,
    "h": 270.3
  },
  "luminance": 0.07169
}

Semantic roles & 50–950 ramp

primary

#3042A3

secondary

#BFB370

accent

#C74ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3042A3

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

Preview Lab → · Contrast checker → · Palette generator →