#2F439F#2F439F

#2F439F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.151 H 269.6°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#2F439F
RGB	rgb(47, 67, 159)
HSL	hsl(229, 54%, 40%)
HSV	hsv(229, 70%, 62%)
CMYK	cmyk(70.4%, 57.9%, 0%, 37.6%)
CIE-LAB	lab(32.08, 24.27, -52.35)
CIE-LCH	lch(32.08, 57.70, 294.87°)
OKLab	oklab(42.38% -0.0012 -0.1508)
OKLCH	oklch(42.38% 0.151 269.6)
XYZ	xyz(9.4353, 7.1209, 33.6714)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F439F #9F8B2F

analogous

#2F7B9F #2F439F #532F9F

triadic

#2F439F #9F2F43 #439F2F

tetradic

#2F439F #9F2F7B #9F8B2F #2F9F53

square

#2F439F #9F2F7B #9F8B2F #2F9F53

split-complementary

#2F439F #9F532F #7B9F2F

monochromatic

#131B41 #212F70 #2F439F #445BC8 #7384D6

Accessibility & contrast

On white

8.66

#2F439F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#2F439F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F439F

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F439F	#FFFFFF	#000000	##FFFFFF
##2F439F	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f439f;
/* rgb */ color: rgb(47, 67, 159);
/* oklch */ color: oklch(42.4% 0.151 269.6);

Tailwind

colors: {
  custom: {
    50: '#7676bc',
    500: '#2f439f',
    950: '#000000',
  },
}

SCSS

$custom: #2f439f;
$custom-light: #7676bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f439f",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 159
  },
  "hsl": {
    "h": 229.286,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42375,
    "c": 0.15081,
    "h": 269.6
  },
  "luminance": 0.07122
}

Semantic roles & 50–950 ramp

primary

#2F439F

secondary

#BDAF6D

accent

#C34ADE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F439F

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

Preview Lab → · Contrast checker → · Palette generator →