#2F3374#2F3374

#2F3374 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.6% C 0.110 H 276.6°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#2F3374
RGB	rgb(47, 51, 116)
HSL	hsl(237, 42%, 32%)
HSV	hsv(237, 59%, 45%)
CMYK	cmyk(59.5%, 56%, 0%, 54.5%)
CIE-LAB	lab(24.43, 19.23, -38.09)
CIE-LCH	lch(24.43, 42.67, 296.79°)
OKLab	oklab(35.61% 0.0127 -0.1091)
OKLCH	oklch(35.61% 0.11 276.6)
XYZ	xyz(5.5075, 4.2326, 17.0464)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3374 #74702F

analogous

#2F5674 #2F3374 #4E2F74

triadic

#2F3374 #742F33 #33742F

tetradic

#2F3374 #742F56 #74702F #2F744E

square

#2F3374 #742F56 #74702F #2F744E

split-complementary

#2F3374 #744E2F #56742F

monochromatic

#0C0D1D #1D2048 #2F3374 #4146A0 #5F65BE

Accessibility & contrast

On white

11.37

#2F3374 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2F3374 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3374

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3374	#FFFFFF	#000000	##FFFFFF
##2F3374	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3D76

Deuteranopia (green-blind)

#003773

Tritanopia (blue-blind)

#06424E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2f3374;
/* rgb */ color: rgb(47, 51, 116);
/* oklch */ color: oklch(35.6% 0.110 276.6);

Tailwind

colors: {
  custom: {
    50: '#6e6a9c',
    500: '#2f3374',
    950: '#000000',
  },
}

SCSS

$custom: #2f3374;
$custom-light: #6e6a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3374",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 116
  },
  "hsl": {
    "h": 236.522,
    "s": 42.331,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35606,
    "c": 0.10979,
    "h": 276.6
  },
  "luminance": 0.04233
}

Semantic roles & 50–950 ramp

primary

#2F3374

secondary

#A5A15A

accent

#CB56D2

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #2F3374

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

Preview Lab → · Contrast checker → · Palette generator →