#2F3FA3#2F3FA3

#2F3FA3 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.161 H 270.7°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F3FA3
RGB	rgb(47, 63, 163)
HSL	hsl(232, 55%, 41%)
HSV	hsv(232, 71%, 64%)
CMYK	cmyk(71.2%, 61.3%, 0%, 36.1%)
CIE-LAB	lab(31.35, 28.41, -55.95)
CIE-LCH	lch(31.35, 62.75, 296.92°)
OKLab	oklab(41.94% 0.0021 -0.1614)
OKLCH	oklch(41.94% 0.161 270.7)
XYZ	xyz(9.5584, 6.8027, 35.4526)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3FA3 #A3932F

analogous

#2F79A3 #2F3FA3 #592FA3

triadic

#2F3FA3 #A32F3F #3FA32F

tetradic

#2F3FA3 #A32F79 #A3932F #2FA359

square

#2F3FA3 #A32F79 #A3932F #2FA359

split-complementary

#2F3FA3 #A3592F #79A32F

monochromatic

#141A44 #212D73 #2F3FA3 #4658CA #7583D7

Accessibility & contrast

On white

8.90

#2F3FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2F3FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3FA3

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3FA3	#FFFFFF	#000000	##FFFFFF
##2F3FA3	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3fa3;
/* rgb */ color: rgb(47, 63, 163);
/* oklch */ color: oklch(41.9% 0.161 270.7);

Tailwind

colors: {
  custom: {
    50: '#7774bf',
    500: '#2f3fa3',
    950: '#000000',
  },
}

SCSS

$custom: #2f3fa3;
$custom-light: #7774bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3fa3",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 163
  },
  "hsl": {
    "h": 231.724,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41935,
    "c": 0.16143,
    "h": 270.7
  },
  "luminance": 0.06804
}

Semantic roles & 50–950 ramp

primary

#2F3FA3

secondary

#BFB46F

accent

#CA49DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F3FA3

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

Preview Lab → · Contrast checker → · Palette generator →