#2F3784#2F3784

#2F3784 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.128 H 274.0°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#2F3784
RGB	rgb(47, 55, 132)
HSL	hsl(234, 47%, 35%)
HSV	hsv(234, 64%, 52%)
CMYK	cmyk(64.4%, 58.3%, 0%, 48.2%)
CIE-LAB	lab(26.74, 22.34, -44.44)
CIE-LCH	lch(26.74, 49.74, 296.69°)
OKLab	oklab(37.72% 0.009 -0.1277)
OKLCH	oklch(37.72% 0.128 274)
XYZ	xyz(6.7020, 5.0021, 22.4376)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3784 #847C2F

analogous

#2F6184 #2F3784 #512F84

triadic

#2F3784 #842F37 #37842F

tetradic

#2F3784 #842F61 #847C2F #2F8451

square

#2F3784 #842F61 #847C2F #2F8451

split-complementary

#2F3784 #84512F #61842F

monochromatic

#0F112A #1F2457 #2F3784 #3F4AB1 #656EC8

Accessibility & contrast

On white

10.50

#2F3784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F3784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3784

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3784	#FFFFFF	#000000	##FFFFFF
##2F3784	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3784;
/* rgb */ color: rgb(47, 55, 132);
/* oklch */ color: oklch(37.7% 0.128 274.0);

Tailwind

colors: {
  custom: {
    50: '#716da8',
    500: '#2f3784',
    950: '#000000',
  },
}

SCSS

$custom: #2f3784;
$custom-light: #716da8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3784",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 132
  },
  "hsl": {
    "h": 234.353,
    "s": 47.486,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37722,
    "c": 0.12802,
    "h": 274
  },
  "luminance": 0.05003
}

Semantic roles & 50–950 ramp

primary

#2F3784

secondary

#AFA860

accent

#CA51D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3784

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

Preview Lab → · Contrast checker → · Palette generator →