#2F3783#2F3783

#2F3783 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.127 H 274.1°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#2F3783
RGB	rgb(47, 55, 131)
HSL	hsl(234, 47%, 35%)
HSV	hsv(234, 64%, 51%)
CMYK	cmyk(64.1%, 58%, 0%, 48.6%)
CIE-LAB	lab(26.66, 21.97, -43.94)
CIE-LCH	lch(26.66, 49.13, 296.56°)
OKLab	oklab(37.64% 0.009 -0.1262)
OKLCH	oklch(37.64% 0.127 274.1)
XYZ	xyz(6.6339, 4.9749, 22.0790)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3783 #837B2F

analogous

#2F6183 #2F3783 #512F83

triadic

#2F3783 #832F37 #37832F

tetradic

#2F3783 #832F61 #837B2F #2F8351

square

#2F3783 #832F61 #837B2F #2F8351

split-complementary

#2F3783 #83512F #61832F

monochromatic

#0F1129 #1F2456 #2F3783 #3F4AB0 #656EC8

Accessibility & contrast

On white

10.53

#2F3783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F3783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3783

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3783	#FFFFFF	#000000	##FFFFFF
##2F3783	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004386

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f3783;
/* rgb */ color: rgb(47, 55, 131);
/* oklch */ color: oklch(37.6% 0.127 274.1);

Tailwind

colors: {
  custom: {
    50: '#716da8',
    500: '#2f3783',
    950: '#000000',
  },
}

SCSS

$custom: #2f3783;
$custom-light: #716da8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3783",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 131
  },
  "hsl": {
    "h": 234.286,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3764,
    "c": 0.12655,
    "h": 274.1
  },
  "luminance": 0.04975
}

Semantic roles & 50–950 ramp

primary

#2F3783

secondary

#AFA75F

accent

#CA51D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3783

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

Preview Lab → · Contrast checker → · Palette generator →