#3042B5#3042B5

#3042B5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.182 H 270.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3042B5
RGB	rgb(48, 66, 181)
HSL	hsl(232, 58%, 45%)
HSV	hsv(232, 73%, 71%)
CMYK	cmyk(73.5%, 63.5%, 0%, 29%)
CIE-LAB	lab(33.69, 33.16, -62.88)
CIE-LCH	lch(33.69, 71.09, 297.80°)
OKLab	oklab(44.15% 0.0005 -0.1817)
OKLCH	oklch(44.15% 0.182 270.1)
XYZ	xyz(11.5048, 7.8598, 44.6179)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3042B5 #B5A330

analogous

#3084B5 #3042B5 #6130B5

triadic

#3042B5 #B53042 #42B530

tetradic

#3042B5 #B53084 #B5A330 #30B561

square

#3042B5 #B53084 #B5A330 #30B561

split-complementary

#3042B5 #B56130 #84B530

monochromatic

#161F54 #233085 #3042B5 #5163D1 #828EDE

Accessibility & contrast

On white

8.16

#3042B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3042B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3042B5

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3042B5	#FFFFFF	#000000	##FFFFFF
##3042B5	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#0049B3

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3042b5;
/* rgb */ color: rgb(48, 66, 181);
/* oklch */ color: oklch(44.1% 0.182 270.1);

Tailwind

colors: {
  custom: {
    50: '#7c76cc',
    500: '#3042b5',
    950: '#000000',
  },
}

SCSS

$custom: #3042b5;
$custom-light: #7c76cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3042b5",
  "rgb": {
    "r": 48,
    "g": 66,
    "b": 181
  },
  "hsl": {
    "h": 231.88,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.44147,
    "c": 0.18171,
    "h": 270.1
  },
  "luminance": 0.07861
}

Semantic roles & 50–950 ramp

primary

#3042B5

secondary

#C7BC7A

accent

#CC46E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3042B5

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

Preview Lab → · Contrast checker → · Palette generator →