#2F3D87#2F3D87

#2F3D87 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.124 H 271.5°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D87
RGB	rgb(47, 61, 135)
HSL	hsl(230, 48%, 36%)
HSV	hsv(230, 65%, 53%)
CMYK	cmyk(65.2%, 54.8%, 0%, 47.1%)
CIE-LAB	lab(28.62, 19.37, -43.27)
CIE-LCH	lch(28.62, 47.41, 294.11°)
OKLab	oklab(39.2% 0.0032 -0.1242)
OKLCH	oklch(39.2% 0.124 271.5)
XYZ	xyz(7.2127, 5.6905, 23.6352)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D87 #87792F

analogous

#2F6987 #2F3D87 #4D2F87

triadic

#2F3D87 #872F3D #3D872F

tetradic

#2F3D87 #872F69 #87792F #2F874D

square

#2F3D87 #872F69 #87792F #2F874D

split-complementary

#2F3D87 #874D2F #69872F

monochromatic

#0F142C #1F285A #2F3D87 #3F52B4 #6676CA

Accessibility & contrast

On white

9.82

#2F3D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2F3D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D87

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D87	#FFFFFF	#000000	##FFFFFF
##2F3D87	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C488A

Deuteranopia (green-blind)

#004085

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f3d87;
/* rgb */ color: rgb(47, 61, 135);
/* oklch */ color: oklch(39.2% 0.124 271.5);

Tailwind

colors: {
  custom: {
    50: '#7172aa',
    500: '#2f3d87',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d87;
$custom-light: #7172aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d87",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 135
  },
  "hsl": {
    "h": 230.455,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.392,
    "c": 0.12422,
    "h": 271.5
  },
  "luminance": 0.05691
}

Semantic roles & 50–950 ramp

primary

#2F3D87

secondary

#B1A461

accent

#C250D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3D87

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

Preview Lab → · Contrast checker → · Palette generator →