#2F3A87#2F3A87

#2F3A87 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.128 H 272.7°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A87
RGB	rgb(47, 58, 135)
HSL	hsl(233, 48%, 36%)
HSV	hsv(233, 65%, 53%)
CMYK	cmyk(65.2%, 57%, 0%, 47.1%)
CIE-LAB	lab(27.79, 21.41, -44.61)
CIE-LCH	lch(27.79, 49.48, 295.63°)
OKLab	oklab(38.58% 0.0062 -0.1282)
OKLCH	oklch(38.58% 0.128 272.7)
XYZ	xyz(7.0571, 5.3791, 23.5834)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A87 #877C2F

analogous

#2F6687 #2F3A87 #502F87

triadic

#2F3A87 #872F3A #3A872F

tetradic

#2F3A87 #872F66 #877C2F #2F8750

square

#2F3A87 #872F66 #877C2F #2F8750

split-complementary

#2F3A87 #87502F #66872F

monochromatic

#0F132C #1F265A #2F3A87 #3F4EB4 #6673CA

Accessibility & contrast

On white

10.12

#2F3A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F3A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A87

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A87	#FFFFFF	#000000	##FFFFFF
##2F3A87	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468A

Deuteranopia (green-blind)

#003E85

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f3a87;
/* rgb */ color: rgb(47, 58, 135);
/* oklch */ color: oklch(38.6% 0.128 272.7);

Tailwind

colors: {
  custom: {
    50: '#7270ab',
    500: '#2f3a87',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a87;
$custom-light: #7270ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a87",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 135
  },
  "hsl": {
    "h": 232.5,
    "s": 48.352,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38578,
    "c": 0.12832,
    "h": 272.7
  },
  "luminance": 0.0538
}

Semantic roles & 50–950 ramp

primary

#2F3A87

secondary

#B1A761

accent

#C750D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2F3A87

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

Preview Lab → · Contrast checker → · Palette generator →