#2F3AB0#2F3AB0

#2F3AB0 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.185 H 271.5°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AB0
RGB	rgb(47, 58, 176)
HSL	hsl(235, 58%, 44%)
HSV	hsv(235, 73%, 69%)
CMYK	cmyk(73.3%, 67%, 0%, 31%)
CIE-LAB	lab(31.26, 36.34, -63.89)
CIE-LCH	lch(31.26, 73.50, 299.63°)
OKLab	oklab(42.22% 0.0049 -0.1847)
OKLCH	oklch(42.22% 0.185 271.5)
XYZ	xyz(10.5192, 6.7640, 41.8171)
Luminance	0.0677 (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

#2F3AB0 #B0A52F

analogous

#2F7AB0 #2F3AB0 #642FB0

triadic

#2F3AB0 #B02F3A #3AB02F

tetradic

#2F3AB0 #B02F7A #B0A52F #2FB064

square

#2F3AB0 #B02F7A #B0A52F #2FB064

split-complementary

#2F3AB0 #B0642F #7AB02F

monochromatic

#151A4F #222A80 #2F3AB0 #4D58CF #7D85DC

Accessibility & contrast

On white

8.92

#2F3AB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F3AB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AB0

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AB0	#FFFFFF	#000000	##FFFFFF
##2F3AB0	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B4

Deuteranopia (green-blind)

#0044AE

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3ab0;
/* rgb */ color: rgb(47, 58, 176);
/* oklch */ color: oklch(42.2% 0.185 271.5);

Tailwind

colors: {
  custom: {
    50: '#7b70c9',
    500: '#2f3ab0',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ab0;
$custom-light: #7b70c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ab0",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 176
  },
  "hsl": {
    "h": 234.884,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4222,
    "c": 0.1848,
    "h": 271.5
  },
  "luminance": 0.06765
}

Semantic roles & 50–950 ramp

primary

#2F3AB0

secondary

#C5BE76

accent

#D447E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F3AB0

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

Preview Lab → · Contrast checker → · Palette generator →