#2F3D79#2F3D79

#2F3D79 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.1% C 0.103 H 270.9°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D79
RGB	rgb(47, 61, 121)
HSL	hsl(229, 44%, 33%)
HSV	hsv(229, 61%, 47%)
CMYK	cmyk(61.2%, 49.6%, 0%, 52.5%)
CIE-LAB	lab(27.63, 14.18, -36.10)
CIE-LCH	lch(27.63, 38.79, 291.45°)
OKLab	oklab(38.14% 0.0017 -0.1031)
OKLCH	oklch(38.14% 0.103 270.9)
XYZ	xyz(6.2911, 5.3218, 18.7811)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D79 #796B2F

analogous

#2F6279 #2F3D79 #462F79

triadic

#2F3D79 #792F3D #3D792F

tetradic

#2F3D79 #792F62 #796B2F #2F7946

square

#2F3D79 #792F62 #796B2F #2F7946

split-complementary

#2F3D79 #79462F #62792F

monochromatic

#0D1121 #1E274D #2F3D79 #4053A5 #6173C2

Accessibility & contrast

On white

10.17

#2F3D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2F3D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D79

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D79	#FFFFFF	#000000	##FFFFFF
##2F3D79	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20457B

Deuteranopia (green-blind)

#143E78

Tritanopia (blue-blind)

#004B55

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3d79;
/* rgb */ color: rgb(47, 61, 121);
/* oklch */ color: oklch(38.1% 0.103 270.9);

Tailwind

colors: {
  custom: {
    50: '#6f72a0',
    500: '#2f3d79',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d79;
$custom-light: #6f72a0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d79",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 121
  },
  "hsl": {
    "h": 228.649,
    "s": 44.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.3814,
    "c": 0.10311,
    "h": 270.9
  },
  "luminance": 0.05322
}

Semantic roles & 50–950 ramp

primary

#2F3D79

secondary

#A89A5B

accent

#BC54D4

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #2F3D79

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

Preview Lab → · Contrast checker → · Palette generator →