#2F3DAE#2F3DAE

#2F3DAE is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.179 H 271.0°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DAE
RGB	rgb(47, 61, 174)
HSL	hsl(233, 57%, 43%)
HSV	hsv(233, 73%, 68%)
CMYK	cmyk(73%, 64.9%, 0%, 31.8%)
CIE-LAB	lab(31.80, 33.72, -61.82)
CIE-LCH	lch(31.80, 70.41, 298.61°)
OKLab	oklab(42.56% 0.0031 -0.1786)
OKLCH	oklch(42.56% 0.179 271)
XYZ	xyz(10.4784, 6.9967, 40.8345)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3DAE #AEA02F

analogous

#2F7CAE #2F3DAE #602FAE

triadic

#2F3DAE #AE2F3D #3DAE2F

tetradic

#2F3DAE #AE2F7C #AEA02F #2FAE60

square

#2F3DAE #AE2F7C #AEA02F #2FAE60

split-complementary

#2F3DAE #AE602F #7CAE2F

monochromatic

#151B4E #222C7E #2F3DAE #4C5ACF #7C86DC

Accessibility & contrast

On white

8.75

#2F3DAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2F3DAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DAE

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DAE	#FFFFFF	#000000	##FFFFFF
##2F3DAE	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B2

Deuteranopia (green-blind)

#0045AC

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f3dae;
/* rgb */ color: rgb(47, 61, 174);
/* oklch */ color: oklch(42.6% 0.179 271.0);

Tailwind

colors: {
  custom: {
    50: '#7a72c7',
    500: '#2f3dae',
    950: '#000000',
  },
}

SCSS

$custom: #2f3dae;
$custom-light: #7a72c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3dae",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 174
  },
  "hsl": {
    "h": 233.386,
    "s": 57.466,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42556,
    "c": 0.17868,
    "h": 271
  },
  "luminance": 0.06998
}

Semantic roles & 50–950 ramp

primary

#2F3DAE

secondary

#C4BB75

accent

#D047E1

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3DAE

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

Preview Lab → · Contrast checker → · Palette generator →