#2F3DAC#2F3DAC

#2F3DAC is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.176 H 271.1°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DAC
RGB	rgb(47, 61, 172)
HSL	hsl(233, 57%, 43%)
HSV	hsv(233, 73%, 67%)
CMYK	cmyk(72.7%, 64.5%, 0%, 32.5%)
CIE-LAB	lab(31.62, 32.99, -60.91)
CIE-LCH	lch(31.62, 69.27, 298.44°)
OKLab	oklab(42.37% 0.0032 -0.176)
OKLCH	oklch(42.37% 0.176 271.1)
XYZ	xyz(10.2849, 6.9193, 39.8153)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.33

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3DAC #AC9E2F

analogous

#2F7BAC #2F3DAC #5F2FAC

triadic

#2F3DAC #AC2F3D #3DAC2F

tetradic

#2F3DAC #AC2F7B #AC9E2F #2FAC5F

square

#2F3DAC #AC2F7B #AC9E2F #2FAC5F

split-complementary

#2F3DAC #AC5F2F #7BAC2F

monochromatic

#151B4C #222C7C #2F3DAC #4B59CE #7B85DB

Accessibility & contrast

On white

8.81

#2F3DAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2F3DAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DAC

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DAC	#FFFFFF	#000000	##FFFFFF
##2F3DAC	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B0

Deuteranopia (green-blind)

#0045AA

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3dac;
/* rgb */ color: rgb(47, 61, 172);
/* oklch */ color: oklch(42.4% 0.176 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a72c6',
    500: '#2f3dac',
    950: '#000000',
  },
}

SCSS

$custom: #2f3dac;
$custom-light: #7a72c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3dac",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 172
  },
  "hsl": {
    "h": 233.28,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42372,
    "c": 0.17603,
    "h": 271.1
  },
  "luminance": 0.0692
}

Semantic roles & 50–950 ramp

primary

#2F3DAC

secondary

#C3BA74

accent

#CF47E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3DAC

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

Preview Lab → · Contrast checker → · Palette generator →