#2F30A4#2F30A4

#2F30A4 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.181 H 274.0°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F30A4
RGB	rgb(47, 48, 164)
HSL	hsl(239, 55%, 41%)
HSV	hsv(239, 71%, 64%)
CMYK	cmyk(71.3%, 70.7%, 0%, 35.7%)
CIE-LAB	lab(27.84, 38.33, -62.31)
CIE-LCH	lch(27.84, 73.15, 301.60°)
OKLab	oklab(39.4% 0.0125 -0.1801)
OKLCH	oklch(39.4% 0.181 274)
XYZ	xyz(8.9279, 5.3977, 35.6861)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F30A4 #A4A32F

analogous

#2F6BA4 #2F30A4 #692FA4

triadic

#2F30A4 #A42F30 #30A42F

tetradic

#2F30A4 #A42F6B #A4A32F #2FA469

square

#2F30A4 #A42F6B #A4A32F #2FA469

split-complementary

#2F30A4 #A4692F #6BA42F

monochromatic

#141445 #212274 #2F30A4 #4647CA #7677D8

Accessibility & contrast

On white

10.10

#2F30A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F30A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30A4

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30A4	#FFFFFF	#000000	##FFFFFF
##2F30A4	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A8

Deuteranopia (green-blind)

#003CA2

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f30a4;
/* rgb */ color: rgb(47, 48, 164);
/* oklch */ color: oklch(39.4% 0.181 274.0);

Tailwind

colors: {
  custom: {
    50: '#7969c0',
    500: '#2f30a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f30a4;
$custom-light: #7969c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30a4",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 164
  },
  "hsl": {
    "h": 239.487,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39396,
    "c": 0.18056,
    "h": 274
  },
  "luminance": 0.05399
}

Semantic roles & 50–950 ramp

primary

#2F30A4

secondary

#C0BF6F

accent

#DD49DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F30A4

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

Preview Lab → · Contrast checker → · Palette generator →