#2F34AC#2F34AC

#2F34AC is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.8% C 0.186 H 272.8°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#2F34AC
RGB	rgb(47, 52, 172)
HSL	hsl(238, 57%, 43%)
HSV	hsv(238, 73%, 67%)
CMYK	cmyk(72.7%, 69.8%, 0%, 32.5%)
CIE-LAB	lab(29.51, 38.66, -64.38)
CIE-LCH	lch(29.51, 75.09, 300.98°)
OKLab	oklab(40.83% 0.009 -0.1862)
OKLCH	oklch(40.83% 0.186 272.8)
XYZ	xyz(9.8442, 6.0379, 39.6684)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F34AC #ACA72F

analogous

#2F72AC #2F34AC #682FAC

triadic

#2F34AC #AC2F34 #34AC2F

tetradic

#2F34AC #AC2F72 #ACA72F #2FAC68

square

#2F34AC #AC2F72 #ACA72F #2FAC68

split-complementary

#2F34AC #AC682F #72AC2F

monochromatic

#15174C #22257C #2F34AC #4B50CE #7B7EDB

Accessibility & contrast

On white

9.51

#2F34AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F34AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34AC

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34AC	#FFFFFF	#000000	##FFFFFF
##2F34AC	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB0

Deuteranopia (green-blind)

#0040AA

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f34ac;
/* rgb */ color: rgb(47, 52, 172);
/* oklch */ color: oklch(40.8% 0.186 272.8);

Tailwind

colors: {
  custom: {
    50: '#7a6cc6',
    500: '#2f34ac',
    950: '#000000',
  },
}

SCSS

$custom: #2f34ac;
$custom-light: #7a6cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34ac",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 172
  },
  "hsl": {
    "h": 237.6,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40833,
    "c": 0.1864,
    "h": 272.8
  },
  "luminance": 0.06039
}

Semantic roles & 50–950 ramp

primary

#2F34AC

secondary

#C3C074

accent

#DA47E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F34AC

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

Preview Lab → · Contrast checker → · Palette generator →