#2F3D78#2F3D78

#2F3D78 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.1% C 0.102 H 270.9°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D78
RGB	rgb(47, 61, 120)
HSL	hsl(228, 44%, 33%)
HSV	hsv(228, 61%, 47%)
CMYK	cmyk(60.8%, 49.2%, 0%, 52.9%)
CIE-LAB	lab(27.57, 13.82, -35.58)
CIE-LCH	lch(27.57, 38.17, 291.22°)
OKLab	oklab(38.07% 0.0015 -0.1016)
OKLCH	oklch(38.07% 0.102 270.9)
XYZ	xyz(6.2301, 5.2974, 18.4599)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D78 #786A2F

analogous

#2F6278 #2F3D78 #452F78

triadic

#2F3D78 #782F3D #3D782F

tetradic

#2F3D78 #782F62 #786A2F #2F7845

square

#2F3D78 #782F62 #786A2F #2F7845

split-complementary

#2F3D78 #78452F #62782F

monochromatic

#0D1020 #1E274C #2F3D78 #4053A4 #6073C1

Accessibility & contrast

On white

10.20

#2F3D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2F3D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D78

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D78	#FFFFFF	#000000	##FFFFFF
##2F3D78	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21447A

Deuteranopia (green-blind)

#163E77

Tritanopia (blue-blind)

#004A54

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3d78;
/* rgb */ color: rgb(47, 61, 120);
/* oklch */ color: oklch(38.1% 0.102 270.9);

Tailwind

colors: {
  custom: {
    50: '#6e729f',
    500: '#2f3d78',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d78;
$custom-light: #6e729f;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d78",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 120
  },
  "hsl": {
    "h": 228.493,
    "s": 43.713,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38067,
    "c": 0.10157,
    "h": 270.9
  },
  "luminance": 0.05298
}

Semantic roles & 50–950 ramp

primary

#2F3D78

secondary

#A8995B

accent

#BB54D3

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #2F3D78

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

Preview Lab → · Contrast checker → · Palette generator →