#2F3FA0#2F3FA0

#2F3FA0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.157 H 270.8°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#2F3FA0
RGB	rgb(47, 63, 160)
HSL	hsl(232, 55%, 41%)
HSV	hsv(232, 71%, 63%)
CMYK	cmyk(70.6%, 60.6%, 0%, 37.3%)
CIE-LAB	lab(31.11, 27.30, -54.54)
CIE-LCH	lch(31.11, 60.99, 296.59°)
OKLab	oklab(41.67% 0.0021 -0.1573)
OKLCH	oklch(41.67% 0.157 270.8)
XYZ	xyz(9.2928, 6.6965, 34.0537)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3FA0 #A0902F

analogous

#2F77A0 #2F3FA0 #572FA0

triadic

#2F3FA0 #A02F3F #3FA02F

tetradic

#2F3FA0 #A02F77 #A0902F #2FA057

square

#2F3FA0 #A02F77 #A0902F #2FA057

split-complementary

#2F3FA0 #A0572F #77A02F

monochromatic

#131A41 #212C71 #2F3FA0 #4457C8 #7381D6

Accessibility & contrast

On white

8.98

#2F3FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2F3FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3FA0

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3FA0	#FFFFFF	#000000	##FFFFFF
##2F3FA0	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA3

Deuteranopia (green-blind)

#00449E

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3fa0;
/* rgb */ color: rgb(47, 63, 160);
/* oklch */ color: oklch(41.7% 0.157 270.8);

Tailwind

colors: {
  custom: {
    50: '#7773bd',
    500: '#2f3fa0',
    950: '#000000',
  },
}

SCSS

$custom: #2f3fa0;
$custom-light: #7773bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3fa0",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 160
  },
  "hsl": {
    "h": 231.504,
    "s": 54.589,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41674,
    "c": 0.1573,
    "h": 270.8
  },
  "luminance": 0.06697
}

Semantic roles & 50–950 ramp

primary

#2F3FA0

secondary

#BEB26D

accent

#C94ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F3FA0

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

Preview Lab → · Contrast checker → · Palette generator →