#2F34B4#2F34B4

#2F34B4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.6% C 0.197 H 272.3°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#2F34B4
RGB	rgb(47, 52, 180)
HSL	hsl(238, 59%, 45%)
HSV	hsv(238, 74%, 71%)
CMYK	cmyk(73.9%, 71.1%, 0%, 29.4%)
CIE-LAB	lab(30.29, 41.42, -67.87)
CIE-LCH	lch(30.29, 79.51, 301.39°)
OKLab	oklab(41.63% 0.0079 -0.1964)
OKLCH	oklch(41.63% 0.197 272.3)
XYZ	xyz(10.6357, 6.3545, 43.8372)
Luminance	0.0636 (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

#2F34B4 #B4AF2F

analogous

#2F77B4 #2F34B4 #6C2FB4

triadic

#2F34B4 #B42F34 #34B42F

tetradic

#2F34B4 #B42F77 #B4AF2F #2FB46C

square

#2F34B4 #B42F77 #B4AF2F #2FB46C

split-complementary

#2F34B4 #B46C2F #77B42F

monochromatic

#161853 #222683 #2F34B4 #4F54D1 #8083DE

Accessibility & contrast

On white

9.25

#2F34B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2F34B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34B4

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34B4	#FFFFFF	#000000	##FFFFFF
##2F34B4	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB8

Deuteranopia (green-blind)

#0041B2

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f34b4;
/* rgb */ color: rgb(47, 52, 180);
/* oklch */ color: oklch(41.6% 0.197 272.3);

Tailwind

colors: {
  custom: {
    50: '#7c6ccc',
    500: '#2f34b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f34b4;
$custom-light: #7c6ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34b4",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 180
  },
  "hsl": {
    "h": 237.744,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41632,
    "c": 0.19653,
    "h": 272.3
  },
  "luminance": 0.06356
}

Semantic roles & 50–950 ramp

primary

#2F34B4

secondary

#C7C478

accent

#DC46E2

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F34B4

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

Preview Lab → · Contrast checker → · Palette generator →