#2F3487#2F3487

#2F3487 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.136 H 275.0°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F3487
RGB	rgb(47, 52, 135)
HSL	hsl(237, 48%, 36%)
HSV	hsv(237, 65%, 53%)
CMYK	cmyk(65.2%, 61.5%, 0%, 47.1%)
CIE-LAB	lab(26.18, 25.46, -47.22)
CIE-LCH	lch(26.18, 53.64, 298.33°)
OKLab	oklab(37.38% 0.0119 -0.1359)
OKLCH	oklch(37.38% 0.136 275)
XYZ	xyz(6.7720, 4.8090, 23.4883)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3487 #87822F

analogous

#2F6087 #2F3487 #562F87

triadic

#2F3487 #872F34 #34872F

tetradic

#2F3487 #872F60 #87822F #2F8756

square

#2F3487 #872F60 #87822F #2F8756

split-complementary

#2F3487 #87562F #60872F

monochromatic

#0F112C #1F235A #2F3487 #3F45B4 #666CCA

Accessibility & contrast

On white

10.70

#2F3487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2F3487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3487

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3487	#FFFFFF	#000000	##FFFFFF
##2F3487	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003A85

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f3487;
/* rgb */ color: rgb(47, 52, 135);
/* oklch */ color: oklch(37.4% 0.136 275.0);

Tailwind

colors: {
  custom: {
    50: '#726bab',
    500: '#2f3487',
    950: '#000000',
  },
}

SCSS

$custom: #2f3487;
$custom-light: #726bab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3487",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 135
  },
  "hsl": {
    "h": 236.591,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37384,
    "c": 0.13641,
    "h": 275
  },
  "luminance": 0.0481
}

Semantic roles & 50–950 ramp

primary

#2F3487

secondary

#B1AC61

accent

#D050D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2F3487

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

Preview Lab → · Contrast checker → · Palette generator →