#3040AF#3040AF

#3040AF is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.176 H 270.7°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#3040AF
RGB	rgb(48, 64, 175)
HSL	hsl(232, 57%, 44%)
HSV	hsv(232, 73%, 69%)
CMYK	cmyk(72.6%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(32.68, 32.27, -60.97)
CIE-LCH	lch(32.68, 68.99, 297.89°)
OKLab	oklab(43.24% 0.0021 -0.1761)
OKLCH	oklch(43.24% 0.176 270.7)
XYZ	xyz(10.7875, 7.3892, 41.4069)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3040AF #AF9F30

analogous

#307FAF #3040AF #5F30AF

triadic

#3040AF #AF3040 #40AF30

tetradic

#3040AF #AF307F #AF9F30 #30AF5F

square

#3040AF #AF307F #AF9F30 #30AF5F

split-complementary

#3040AF #AF5F30 #7FAF30

monochromatic

#161D4F #232E7F #3040AF #4E5ECE #7E8ADC

Accessibility & contrast

On white

8.47

#3040AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3040AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3040AF

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3040AF	#FFFFFF	#000000	##FFFFFF
##3040AF	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B3

Deuteranopia (green-blind)

#0047AD

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3040af;
/* rgb */ color: rgb(48, 64, 175);
/* oklch */ color: oklch(43.2% 0.176 270.7);

Tailwind

colors: {
  custom: {
    50: '#7a74c8',
    500: '#3040af',
    950: '#000000',
  },
}

SCSS

$custom: #3040af;
$custom-light: #7a74c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3040af",
  "rgb": {
    "r": 48,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 232.441,
    "s": 56.951,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43242,
    "c": 0.17615,
    "h": 270.7
  },
  "luminance": 0.0739
}

Semantic roles & 50–950 ramp

primary

#3040AF

secondary

#C4BB76

accent

#CD48E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3040AF

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

Preview Lab → · Contrast checker → · Palette generator →