#2F3DA3#2F3DA3

#2F3DA3 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.164 H 271.3°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DA3
RGB	rgb(47, 61, 163)
HSL	hsl(233, 55%, 41%)
HSV	hsv(233, 71%, 64%)
CMYK	cmyk(71.2%, 62.6%, 0%, 36.1%)
CIE-LAB	lab(30.84, 29.72, -56.78)
CIE-LCH	lch(30.84, 64.09, 297.63°)
OKLab	oklab(41.56% 0.0036 -0.1639)
OKLCH	oklch(41.56% 0.164 271.3)
XYZ	xyz(9.4497, 6.5852, 35.4163)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3DA3 #A3952F

analogous

#2F77A3 #2F3DA3 #5B2FA3

triadic

#2F3DA3 #A32F3D #3DA32F

tetradic

#2F3DA3 #A32F77 #A3952F #2FA35B

square

#2F3DA3 #A32F77 #A3952F #2FA35B

split-complementary

#2F3DA3 #A35B2F #77A32F

monochromatic

#141944 #212B73 #2F3DA3 #4656CA #7581D7

Accessibility & contrast

On white

9.06

#2F3DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2F3DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DA3

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DA3	#FFFFFF	#000000	##FFFFFF
##2F3DA3	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA6

Deuteranopia (green-blind)

#0043A1

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3da3;
/* rgb */ color: rgb(47, 61, 163);
/* oklch */ color: oklch(41.6% 0.164 271.3);

Tailwind

colors: {
  custom: {
    50: '#7872bf',
    500: '#2f3da3',
    950: '#000000',
  },
}

SCSS

$custom: #2f3da3;
$custom-light: #7872bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3da3",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 163
  },
  "hsl": {
    "h": 232.759,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41558,
    "c": 0.16393,
    "h": 271.3
  },
  "luminance": 0.06586
}

Semantic roles & 50–950 ramp

primary

#2F3DA3

secondary

#BFB56F

accent

#CD49DF

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F3DA3

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

Preview Lab → · Contrast checker → · Palette generator →