#2F3BA3#2F3BA3

#2F3BA3 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.166 H 271.8°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BA3
RGB	rgb(47, 59, 163)
HSL	hsl(234, 55%, 41%)
HSV	hsv(234, 71%, 64%)
CMYK	cmyk(71.2%, 63.8%, 0%, 36.1%)
CIE-LAB	lab(30.34, 31.02, -57.60)
CIE-LCH	lch(30.34, 65.42, 298.31°)
OKLab	oklab(41.19% 0.0051 -0.1663)
OKLCH	oklch(41.19% 0.166 271.8)
XYZ	xyz(9.3449, 6.3757, 35.3814)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BA3 #A3972F

analogous

#2F75A3 #2F3BA3 #5D2FA3

triadic

#2F3BA3 #A32F3B #3BA32F

tetradic

#2F3BA3 #A32F75 #A3972F #2FA35D

square

#2F3BA3 #A32F75 #A3972F #2FA35D

split-complementary

#2F3BA3 #A35D2F #75A32F

monochromatic

#141944 #212A73 #2F3BA3 #4653CA #757FD7

Accessibility & contrast

On white

9.23

#2F3BA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2F3BA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BA3

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BA3	#FFFFFF	#000000	##FFFFFF
##2F3BA3	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA6

Deuteranopia (green-blind)

#0042A1

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f3ba3;
/* rgb */ color: rgb(47, 59, 163);
/* oklch */ color: oklch(41.2% 0.166 271.8);

Tailwind

colors: {
  custom: {
    50: '#7871bf',
    500: '#2f3ba3',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ba3;
$custom-light: #7871bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ba3",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 163
  },
  "hsl": {
    "h": 233.793,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41188,
    "c": 0.16639,
    "h": 271.8
  },
  "luminance": 0.06377
}

Semantic roles & 50–950 ramp

primary

#2F3BA3

secondary

#BFB76F

accent

#CF49DF

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3BA3

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

Preview Lab → · Contrast checker → · Palette generator →