#2F34AA#2F34AA

#2F34AA is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.6% C 0.184 H 272.9°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F34AA
RGB	rgb(47, 52, 170)
HSL	hsl(238, 57%, 43%)
HSV	hsv(238, 72%, 67%)
CMYK	cmyk(72.4%, 69.4%, 0%, 33.3%)
CIE-LAB	lab(29.32, 37.96, -63.50)
CIE-LCH	lch(29.32, 73.98, 300.87°)
OKLab	oklab(40.64% 0.0092 -0.1836)
OKLCH	oklch(40.64% 0.184 272.9)
XYZ	xyz(9.6535, 5.9616, 38.6644)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F34AA #AAA52F

analogous

#2F71AA #2F34AA #682FAA

triadic

#2F34AA #AA2F34 #34AA2F

tetradic

#2F34AA #AA2F71 #AAA52F #2FAA68

square

#2F34AA #AA2F71 #AAA52F #2FAA68

split-complementary

#2F34AA #AA682F #71AA2F

monochromatic

#14174A #22257A #2F34AA #494FCD #797DDA

Accessibility & contrast

On white

9.58

#2F34AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2F34AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34AA

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34AA	#FFFFFF	#000000	##FFFFFF
##2F34AA	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAE

Deuteranopia (green-blind)

#003FA8

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f34aa;
/* rgb */ color: rgb(47, 52, 170);
/* oklch */ color: oklch(40.6% 0.184 272.9);

Tailwind

colors: {
  custom: {
    50: '#7a6cc4',
    500: '#2f34aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f34aa;
$custom-light: #7a6cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34aa",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 170
  },
  "hsl": {
    "h": 237.561,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40636,
    "c": 0.18383,
    "h": 272.9
  },
  "luminance": 0.05963
}

Semantic roles & 50–950 ramp

primary

#2F34AA

secondary

#C2BF72

accent

#DA48E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F34AA

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

Preview Lab → · Contrast checker → · Palette generator →