#2F3987#2F3987

#2F3987 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.130 H 273.2°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#2F3987
RGB	rgb(47, 57, 135)
HSL	hsl(233, 48%, 36%)
HSV	hsv(233, 65%, 53%)
CMYK	cmyk(65.2%, 57.8%, 0%, 47.1%)
CIE-LAB	lab(27.52, 22.08, -45.05)
CIE-LCH	lch(27.52, 50.18, 296.11°)
OKLab	oklab(38.37% 0.0071 -0.1295)
OKLCH	oklch(38.37% 0.13 273.2)
XYZ	xyz(7.0071, 5.2793, 23.5667)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3987 #877D2F

analogous

#2F6587 #2F3987 #512F87

triadic

#2F3987 #872F39 #39872F

tetradic

#2F3987 #872F65 #877D2F #2F8751

square

#2F3987 #872F65 #877D2F #2F8751

split-complementary

#2F3987 #87512F #65872F

monochromatic

#0F132C #1F265A #2F3987 #3F4CB4 #6672CA

Accessibility & contrast

On white

10.21

#2F3987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2F3987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3987

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3987	#FFFFFF	#000000	##FFFFFF
##2F3987	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3987;
/* rgb */ color: rgb(47, 57, 135);
/* oklch */ color: oklch(38.4% 0.130 273.2);

Tailwind

colors: {
  custom: {
    50: '#726fab',
    500: '#2f3987',
    950: '#000000',
  },
}

SCSS

$custom: #2f3987;
$custom-light: #726fab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3987",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 135
  },
  "hsl": {
    "h": 233.182,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38374,
    "c": 0.12968,
    "h": 273.2
  },
  "luminance": 0.0528
}

Semantic roles & 50–950 ramp

primary

#2F3987

secondary

#B1A861

accent

#C850D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3987

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

Preview Lab → · Contrast checker → · Palette generator →