#2F3F87#2F3F87

#2F3F87 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.121 H 270.5°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#2F3F87
RGB	rgb(47, 63, 135)
HSL	hsl(229, 48%, 36%)
HSV	hsv(229, 65%, 53%)
CMYK	cmyk(65.2%, 53.3%, 0%, 47.1%)
CIE-LAB	lab(29.18, 18.01, -42.36)
CIE-LCH	lch(29.18, 46.03, 293.03°)
OKLab	oklab(39.62% 0.0011 -0.1215)
OKLCH	oklch(39.62% 0.122 270.5)
XYZ	xyz(7.3215, 5.9080, 23.6715)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3F87 #87772F

analogous

#2F6B87 #2F3F87 #4B2F87

triadic

#2F3F87 #872F3F #3F872F

tetradic

#2F3F87 #872F6B #87772F #2F874B

square

#2F3F87 #872F6B #87772F #2F874B

split-complementary

#2F3F87 #874B2F #6B872F

monochromatic

#0F152C #1F2A5A #2F3F87 #3F54B4 #6679CA

Accessibility & contrast

On white

9.63

#2F3F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2F3F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3F87

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3F87	#FFFFFF	#000000	##FFFFFF
##2F3F87	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14498A

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3f87;
/* rgb */ color: rgb(47, 63, 135);
/* oklch */ color: oklch(39.6% 0.121 270.5);

Tailwind

colors: {
  custom: {
    50: '#7173aa',
    500: '#2f3f87',
    950: '#000000',
  },
}

SCSS

$custom: #2f3f87;
$custom-light: #7173aa;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3f87",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 135
  },
  "hsl": {
    "h": 229.091,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.39624,
    "c": 0.1215,
    "h": 270.5
  },
  "luminance": 0.05909
}

Semantic roles & 50–950 ramp

primary

#2F3F87

secondary

#B1A261

accent

#BF50D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2F3F87

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

Preview Lab → · Contrast checker → · Palette generator →