#2F30A6#2F30A6

#2F30A6 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.183 H 273.8°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#2F30A6
RGB	rgb(47, 48, 166)
HSL	hsl(239, 56%, 42%)
HSV	hsv(239, 72%, 65%)
CMYK	cmyk(71.7%, 71.1%, 0%, 34.9%)
CIE-LAB	lab(28.04, 39.01, -63.19)
CIE-LCH	lch(28.04, 74.27, 301.69°)
OKLab	oklab(39.6% 0.0122 -0.1827)
OKLCH	oklch(39.6% 0.183 273.8)
XYZ	xyz(9.1099, 5.4705, 36.6448)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F30A6 #A6A52F

analogous

#2F6CA6 #2F30A6 #6A2FA6

triadic

#2F30A6 #A62F30 #30A62F

tetradic

#2F30A6 #A62F6C #A6A52F #2FA66A

square

#2F30A6 #A62F6C #A6A52F #2FA66A

split-complementary

#2F30A6 #A66A2F #6CA62F

monochromatic

#141447 #212276 #2F30A6 #4748CB #7778D8

Accessibility & contrast

On white

10.03

#2F30A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2F30A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30A6

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30A6	#FFFFFF	#000000	##FFFFFF
##2F30A6	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AA

Deuteranopia (green-blind)

#003CA4

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f30a6;
/* rgb */ color: rgb(47, 48, 166);
/* oklch */ color: oklch(39.6% 0.183 273.8);

Tailwind

colors: {
  custom: {
    50: '#7969c2',
    500: '#2f30a6',
    950: '#000000',
  },
}

SCSS

$custom: #2f30a6;
$custom-light: #7969c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30a6",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 166
  },
  "hsl": {
    "h": 239.496,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39597,
    "c": 0.18313,
    "h": 273.8
  },
  "luminance": 0.05471
}

Semantic roles & 50–950 ramp

primary

#2F30A6

secondary

#C1C070

accent

#DE49DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #2F30A6

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

Preview Lab → · Contrast checker → · Palette generator →