#2F34AD#2F34AD

#2F34AD is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.9% C 0.188 H 272.7°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#2F34AD
RGB	rgb(47, 52, 173)
HSL	hsl(238, 57%, 43%)
HSV	hsv(238, 73%, 68%)
CMYK	cmyk(72.8%, 69.9%, 0%, 32.2%)
CIE-LAB	lab(29.60, 39.00, -64.82)
CIE-LCH	lch(29.60, 75.65, 301.04°)
OKLab	oklab(40.93% 0.0089 -0.1875)
OKLCH	oklch(40.93% 0.188 272.7)
XYZ	xyz(9.9406, 6.0764, 40.1761)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F34AD #ADA82F

analogous

#2F73AD #2F34AD #692FAD

triadic

#2F34AD #AD2F34 #34AD2F

tetradic

#2F34AD #AD2F73 #ADA82F #2FAD69

square

#2F34AD #AD2F73 #ADA82F #2FAD69

split-complementary

#2F34AD #AD692F #73AD2F

monochromatic

#15174D #22267D #2F34AD #4B50CE #7B7FDB

Accessibility & contrast

On white

9.48

#2F34AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2F34AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34AD

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34AD	#FFFFFF	#000000	##FFFFFF
##2F34AD	1.00	9.48	2.22	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB1

Deuteranopia (green-blind)

#0040AB

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f34ad;
/* rgb */ color: rgb(47, 52, 173);
/* oklch */ color: oklch(40.9% 0.188 272.7);

Tailwind

colors: {
  custom: {
    50: '#7b6cc7',
    500: '#2f34ad',
    950: '#000000',
  },
}

SCSS

$custom: #2f34ad;
$custom-light: #7b6cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34ad",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 173
  },
  "hsl": {
    "h": 237.619,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.40932,
    "c": 0.18768,
    "h": 272.7
  },
  "luminance": 0.06077
}

Semantic roles & 50–950 ramp

primary

#2F34AD

secondary

#C4C074

accent

#DA47E1

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F34AD

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

Preview Lab → · Contrast checker → · Palette generator →