#2F34A4#2F34A4

#2F34A4 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.176 H 273.2°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F34A4
RGB	rgb(47, 52, 164)
HSL	hsl(237, 55%, 41%)
HSV	hsv(237, 71%, 64%)
CMYK	cmyk(71.3%, 68.3%, 0%, 35.7%)
CIE-LAB	lab(28.75, 35.86, -60.82)
CIE-LCH	lch(28.75, 70.60, 300.52°)
OKLab	oklab(40.05% 0.0099 -0.1758)
OKLCH	oklch(40.05% 0.176 273.2)
XYZ	xyz(9.0989, 5.7398, 35.7431)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F34A4 #A49F2F

analogous

#2F6FA4 #2F34A4 #652FA4

triadic

#2F34A4 #A42F34 #34A42F

tetradic

#2F34A4 #A42F6F #A49F2F #2FA465

square

#2F34A4 #A42F6F #A49F2F #2FA465

split-complementary

#2F34A4 #A4652F #6FA42F

monochromatic

#141645 #212574 #2F34A4 #464CCA #767AD8

Accessibility & contrast

On white

9.78

#2F34A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2F34A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F34A4

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F34A4	#FFFFFF	#000000	##FFFFFF
##2F34A4	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A7

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f34a4;
/* rgb */ color: rgb(47, 52, 164);
/* oklch */ color: oklch(40.1% 0.176 273.2);

Tailwind

colors: {
  custom: {
    50: '#796cc0',
    500: '#2f34a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f34a4;
$custom-light: #796cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f34a4",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 164
  },
  "hsl": {
    "h": 237.436,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40051,
    "c": 0.17605,
    "h": 273.2
  },
  "luminance": 0.05741
}

Semantic roles & 50–950 ramp

primary

#2F34A4

secondary

#C0BC6F

accent

#D849DF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F34A4

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

Preview Lab → · Contrast checker → · Palette generator →