#2F30AA#2F30AA

#2F30AA is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.188 H 273.5°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F30AA
RGB	rgb(47, 48, 170)
HSL	hsl(240, 57%, 43%)
HSV	hsv(240, 72%, 67%)
CMYK	cmyk(72.4%, 71.8%, 0%, 33.3%)
CIE-LAB	lab(28.43, 40.38, -64.95)
CIE-LCH	lch(28.43, 76.48, 301.87°)
OKLab	oklab(40% 0.0116 -0.1878)
OKLCH	oklch(40% 0.188 273.5)
XYZ	xyz(9.4825, 5.6196, 38.6074)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F30AA #AAA92F

analogous

#2F6EAA #2F30AA #6B2FAA

triadic

#2F30AA #AA2F30 #30AA2F

tetradic

#2F30AA #AA2F6E #AAA92F #2FAA6B

square

#2F30AA #AA2F6E #AAA92F #2FAA6B

split-complementary

#2F30AA #AA6B2F #6EAA2F

monochromatic

#14154A #22227A #2F30AA #494ACD #797ADA

Accessibility & contrast

On white

9.89

#2F30AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2F30AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30AA

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30AA	#FFFFFF	#000000	##FFFFFF
##2F30AA	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AE

Deuteranopia (green-blind)

#003DA8

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f30aa;
/* rgb */ color: rgb(47, 48, 170);
/* oklch */ color: oklch(40.0% 0.188 273.5);

Tailwind

colors: {
  custom: {
    50: '#7a69c4',
    500: '#2f30aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f30aa;
$custom-light: #7a69c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30aa",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 170
  },
  "hsl": {
    "h": 239.512,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40001,
    "c": 0.1882,
    "h": 273.5
  },
  "luminance": 0.05621
}

Semantic roles & 50–950 ramp

primary

#2F30AA

secondary

#C2C272

accent

#DF48E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F30AA

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

Preview Lab → · Contrast checker → · Palette generator →