#2F3FA1#2F3FA1

#2F3FA1 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.159 H 270.8°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F3FA1
RGB	rgb(47, 63, 161)
HSL	hsl(232, 55%, 41%)
HSV	hsv(232, 71%, 63%)
CMYK	cmyk(70.8%, 60.9%, 0%, 36.9%)
CIE-LAB	lab(31.19, 27.67, -55.01)
CIE-LCH	lch(31.19, 61.58, 296.70°)
OKLab	oklab(41.76% 0.0021 -0.1587)
OKLCH	oklch(41.76% 0.159 270.8)
XYZ	xyz(9.3806, 6.7316, 34.5163)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3FA1 #A1912F

analogous

#2F78A1 #2F3FA1 #582FA1

triadic

#2F3FA1 #A12F3F #3FA12F

tetradic

#2F3FA1 #A12F78 #A1912F #2FA158

square

#2F3FA1 #A12F78 #A1912F #2FA158

split-complementary

#2F3FA1 #A1582F #78A12F

monochromatic

#131A42 #212C72 #2F3FA1 #4557C9 #7482D6

Accessibility & contrast

On white

8.95

#2F3FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F3FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3FA1

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3FA1	#FFFFFF	#000000	##FFFFFF
##2F3FA1	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)

#004FA4

Deuteranopia (green-blind)

#00449F

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3fa1;
/* rgb */ color: rgb(47, 63, 161);
/* oklch */ color: oklch(41.8% 0.159 270.8);

Tailwind

colors: {
  custom: {
    50: '#7774be',
    500: '#2f3fa1',
    950: '#000000',
  },
}

SCSS

$custom: #2f3fa1;
$custom-light: #7774be;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3fa1",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 161
  },
  "hsl": {
    "h": 231.579,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.4176,
    "c": 0.15869,
    "h": 270.8
  },
  "luminance": 0.06733
}

Semantic roles & 50–950 ramp

primary

#2F3FA1

secondary

#BEB36E

accent

#C94ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F3FA1

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

Preview Lab → · Contrast checker → · Palette generator →