#2F30A3#2F30A3

#2F30A3 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.3% C 0.179 H 274.0°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F30A3
RGB	rgb(47, 48, 163)
HSL	hsl(239, 55%, 41%)
HSV	hsv(239, 71%, 64%)
CMYK	cmyk(71.2%, 70.6%, 0%, 36.1%)
CIE-LAB	lab(27.74, 37.98, -61.86)
CIE-LCH	lch(27.74, 72.59, 301.55°)
OKLab	oklab(39.3% 0.0126 -0.1788)
OKLCH	oklch(39.3% 0.179 274)
XYZ	xyz(8.8379, 5.3617, 35.2124)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F30A3 #A3A22F

analogous

#2F6AA3 #2F30A3 #682FA3

triadic

#2F30A3 #A32F30 #30A32F

tetradic

#2F30A3 #A32F6A #A3A22F #2FA368

square

#2F30A3 #A32F6A #A3A22F #2FA368

split-complementary

#2F30A3 #A3682F #6AA32F

monochromatic

#141444 #212273 #2F30A3 #4647CA #7576D7

Accessibility & contrast

On white

10.13

#2F30A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F30A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30A3

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30A3	#FFFFFF	#000000	##FFFFFF
##2F30A3	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A6

Deuteranopia (green-blind)

#003CA1

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f30a3;
/* rgb */ color: rgb(47, 48, 163);
/* oklch */ color: oklch(39.3% 0.179 274.0);

Tailwind

colors: {
  custom: {
    50: '#7969bf',
    500: '#2f30a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f30a3;
$custom-light: #7969bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30a3",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 163
  },
  "hsl": {
    "h": 239.483,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39297,
    "c": 0.17927,
    "h": 274
  },
  "luminance": 0.05363
}

Semantic roles & 50–950 ramp

primary

#2F30A3

secondary

#BFBE6F

accent

#DD49DF

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F30A3

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

Preview Lab → · Contrast checker → · Palette generator →