#2F3AAF#2F3AAF

#2F3AAF is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.183 H 271.6°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AAF
RGB	rgb(47, 58, 175)
HSL	hsl(235, 58%, 44%)
HSV	hsv(235, 73%, 69%)
CMYK	cmyk(73.1%, 66.9%, 0%, 31.4%)
CIE-LAB	lab(31.17, 35.98, -63.44)
CIE-LCH	lch(31.17, 72.94, 299.56°)
OKLab	oklab(42.13% 0.005 -0.1834)
OKLCH	oklch(42.13% 0.184 271.6)
XYZ	xyz(10.4206, 6.7245, 41.2979)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3AAF #AFA42F

analogous

#2F7AAF #2F3AAF #642FAF

triadic

#2F3AAF #AF2F3A #3AAF2F

tetradic

#2F3AAF #AF2F7A #AFA42F #2FAF64

square

#2F3AAF #AF2F7A #AFA42F #2FAF64

split-complementary

#2F3AAF #AF642F #7AAF2F

monochromatic

#151A4F #222A7F #2F3AAF #4C57CF #7C85DC

Accessibility & contrast

On white

8.95

#2F3AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F3AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AAF

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AAF	#FFFFFF	#000000	##FFFFFF
##2F3AAF	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB3

Deuteranopia (green-blind)

#0043AD

Tritanopia (blue-blind)

#00596F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3aaf;
/* rgb */ color: rgb(47, 58, 175);
/* oklch */ color: oklch(42.1% 0.183 271.6);

Tailwind

colors: {
  custom: {
    50: '#7b70c8',
    500: '#2f3aaf',
    950: '#000000',
  },
}

SCSS

$custom: #2f3aaf;
$custom-light: #7b70c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3aaf",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 175
  },
  "hsl": {
    "h": 234.844,
    "s": 57.658,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42125,
    "c": 0.1835,
    "h": 271.6
  },
  "luminance": 0.06726
}

Semantic roles & 50–950 ramp

primary

#2F3AAF

secondary

#C4BE75

accent

#D447E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F3AAF

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

Preview Lab → · Contrast checker → · Palette generator →