#2F30AC#2F30AC

#2F30AC is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.2% C 0.191 H 273.4°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#2F30AC
RGB	rgb(47, 48, 172)
HSL	hsl(240, 57%, 43%)
HSV	hsv(240, 73%, 67%)
CMYK	cmyk(72.7%, 72.1%, 0%, 32.5%)
CIE-LAB	lab(28.63, 41.06, -65.82)
CIE-LCH	lch(28.63, 77.58, 301.96°)
OKLab	oklab(40.2% 0.0113 -0.1904)
OKLCH	oklch(40.2% 0.191 273.4)
XYZ	xyz(9.6731, 5.6958, 39.6113)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F30AC #ACAB2F

analogous

#2F6EAC #2F30AC #6C2FAC

triadic

#2F30AC #AC2F30 #30AC2F

tetradic

#2F30AC #AC2F6E #ACAB2F #2FAC6C

square

#2F30AC #AC2F6E #ACAB2F #2FAC6C

split-complementary

#2F30AC #AC6C2F #6EAC2F

monochromatic

#15154C #22237C #2F30AC #4B4CCE #7B7BDB

Accessibility & contrast

On white

9.82

#2F30AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2F30AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30AC

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30AC	#FFFFFF	#000000	##FFFFFF
##2F30AC	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B0

Deuteranopia (green-blind)

#003DAA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f30ac;
/* rgb */ color: rgb(47, 48, 172);
/* oklch */ color: oklch(40.2% 0.191 273.4);

Tailwind

colors: {
  custom: {
    50: '#7b69c6',
    500: '#2f30ac',
    950: '#000000',
  },
}

SCSS

$custom: #2f30ac;
$custom-light: #7b69c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30ac",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 172
  },
  "hsl": {
    "h": 239.52,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40204,
    "c": 0.19072,
    "h": 273.4
  },
  "luminance": 0.05697
}

Semantic roles & 50–950 ramp

primary

#2F30AC

secondary

#C3C374

accent

#DF47E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F30AC

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

Preview Lab → · Contrast checker → · Palette generator →