#2F3EB5#2F3EB5

#2F3EB5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.4% C 0.187 H 270.6°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#2F3EB5
RGB	rgb(47, 62, 181)
HSL	hsl(233, 59%, 45%)
HSV	hsv(233, 74%, 71%)
CMYK	cmyk(74%, 65.7%, 0%, 29%)
CIE-LAB	lab(32.67, 35.60, -64.56)
CIE-LCH	lch(32.67, 73.72, 298.87°)
OKLab	oklab(43.38% 0.002 -0.1867)
OKLCH	oklch(43.38% 0.187 270.6)
XYZ	xyz(11.2326, 7.3846, 44.5405)
Luminance	0.0739 (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

#2F3EB5 #B5A62F

analogous

#2F81B5 #2F3EB5 #632FB5

triadic

#2F3EB5 #B52F3E #3EB52F

tetradic

#2F3EB5 #B52F81 #B5A62F #2FB563

square

#2F3EB5 #B52F81 #B5A62F #2FB563

split-complementary

#2F3EB5 #B5632F #81B52F

monochromatic

#161D54 #222D84 #2F3EB5 #505ED1 #808BDE

Accessibility & contrast

On white

8.48

#2F3EB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2F3EB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3EB5

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3EB5	#FFFFFF	#000000	##FFFFFF
##2F3EB5	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f3eb5;
/* rgb */ color: rgb(47, 62, 181);
/* oklch */ color: oklch(43.4% 0.187 270.6);

Tailwind

colors: {
  custom: {
    50: '#7c73cc',
    500: '#2f3eb5',
    950: '#000000',
  },
}

SCSS

$custom: #2f3eb5;
$custom-light: #7c73cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3eb5",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 181
  },
  "hsl": {
    "h": 233.284,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43383,
    "c": 0.18668,
    "h": 270.6
  },
  "luminance": 0.07386
}

Semantic roles & 50–950 ramp

primary

#2F3EB5

secondary

#C7BE79

accent

#D046E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3EB5

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

Preview Lab → · Contrast checker → · Palette generator →