#2F3CA4#2F3CA4

#2F3CA4 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.167 H 271.5°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CA4
RGB	rgb(47, 60, 164)
HSL	hsl(233, 55%, 41%)
HSV	hsv(233, 71%, 64%)
CMYK	cmyk(71.3%, 63.4%, 0%, 35.7%)
CIE-LAB	lab(30.68, 30.74, -57.65)
CIE-LCH	lch(30.68, 65.34, 298.06°)
OKLab	oklab(41.46% 0.0043 -0.1665)
OKLCH	oklch(41.46% 0.167 271.5)
XYZ	xyz(9.4867, 6.5155, 35.8724)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CA4 #A4972F

analogous

#2F77A4 #2F3CA4 #5D2FA4

triadic

#2F3CA4 #A42F3C #3CA42F

tetradic

#2F3CA4 #A42F77 #A4972F #2FA45D

square

#2F3CA4 #A42F77 #A4972F #2FA45D

split-complementary

#2F3CA4 #A45D2F #77A42F

monochromatic

#141945 #212B74 #2F3CA4 #4655CA #7681D8

Accessibility & contrast

On white

9.12

#2F3CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F3CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CA4

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CA4	#FFFFFF	#000000	##FFFFFF
##2F3CA4	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA7

Deuteranopia (green-blind)

#0043A2

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3ca4;
/* rgb */ color: rgb(47, 60, 164);
/* oklch */ color: oklch(41.5% 0.167 271.5);

Tailwind

colors: {
  custom: {
    50: '#7871c0',
    500: '#2f3ca4',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ca4;
$custom-light: #7871c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ca4",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 164
  },
  "hsl": {
    "h": 233.333,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41462,
    "c": 0.16652,
    "h": 271.5
  },
  "luminance": 0.06516
}

Semantic roles & 50–950 ramp

primary

#2F3CA4

secondary

#C0B76F

accent

#CE49DF

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3CA4

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

Preview Lab → · Contrast checker → · Palette generator →