#2F3BAC#2F3BAC

#2F3BAC is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.178 H 271.5°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BAC
RGB	rgb(47, 59, 172)
HSL	hsl(234, 57%, 43%)
HSV	hsv(234, 73%, 67%)
CMYK	cmyk(72.7%, 65.7%, 0%, 32.5%)
CIE-LAB	lab(31.14, 34.27, -61.71)
CIE-LCH	lch(31.14, 70.59, 299.05°)
OKLab	oklab(42.02% 0.0046 -0.1783)
OKLCH	oklch(42.02% 0.178 271.5)
XYZ	xyz(10.1801, 6.7098, 39.7803)
Luminance	0.0671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BAC #ACA02F

analogous

#2F79AC #2F3BAC #612FAC

triadic

#2F3BAC #AC2F3B #3BAC2F

tetradic

#2F3BAC #AC2F79 #ACA02F #2FAC61

square

#2F3BAC #AC2F79 #ACA02F #2FAC61

split-complementary

#2F3BAC #AC612F #79AC2F

monochromatic

#151A4C #222B7C #2F3BAC #4B57CE #7B84DB

Accessibility & contrast

On white

8.97

#2F3BAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2F3BAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BAC

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BAC	#FFFFFF	#000000	##FFFFFF
##2F3BAC	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#0043AA

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3bac;
/* rgb */ color: rgb(47, 59, 172);
/* oklch */ color: oklch(42.0% 0.178 271.5);

Tailwind

colors: {
  custom: {
    50: '#7a71c6',
    500: '#2f3bac',
    950: '#000000',
  },
}

SCSS

$custom: #2f3bac;
$custom-light: #7a71c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3bac",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 172
  },
  "hsl": {
    "h": 234.24,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.42016,
    "c": 0.1784,
    "h": 271.5
  },
  "luminance": 0.06711
}

Semantic roles & 50–950 ramp

primary

#2F3BAC

secondary

#C3BC74

accent

#D247E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F3BAC

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

Preview Lab → · Contrast checker → · Palette generator →