#2F3773#2F3773

#2F3773 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.4% C 0.102 H 274.4°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#2F3773
RGB	rgb(47, 55, 115)
HSL	hsl(233, 42%, 32%)
HSV	hsv(233, 59%, 45%)
CMYK	cmyk(59.1%, 52.2%, 0%, 54.9%)
CIE-LAB	lab(25.49, 16.11, -35.75)
CIE-LCH	lch(25.49, 39.21, 294.26°)
OKLab	oklab(36.38% 0.0079 -0.1021)
OKLCH	oklch(36.38% 0.102 274.4)
XYZ	xyz(5.6320, 4.5741, 16.8024)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3773 #736B2F

analogous

#2F5973 #2F3773 #492F73

triadic

#2F3773 #732F37 #37732F

tetradic

#2F3773 #732F59 #736B2F #2F7349

square

#2F3773 #732F59 #736B2F #2F7349

split-complementary

#2F3773 #73492F #59732F

monochromatic

#0B0D1C #1D2248 #2F3773 #414C9E #5F6ABE

Accessibility & contrast

On white

10.97

#2F3773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F3773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3773

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3773	#FFFFFF	#000000	##FFFFFF
##2F3773	1.00	10.97	1.92	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183F75

Deuteranopia (green-blind)

#0E3A72

Tritanopia (blue-blind)

#07444F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f3773;
/* rgb */ color: rgb(47, 55, 115);
/* oklch */ color: oklch(36.4% 0.102 274.4);

Tailwind

colors: {
  custom: {
    50: '#6e6d9c',
    500: '#2f3773',
    950: '#000000',
  },
}

SCSS

$custom: #2f3773;
$custom-light: #6e6d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3773",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 115
  },
  "hsl": {
    "h": 232.941,
    "s": 41.975,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3638,
    "c": 0.10244,
    "h": 274.4
  },
  "luminance": 0.04575
}

Semantic roles & 50–950 ramp

primary

#2F3773

secondary

#A49B5A

accent

#C356D2

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #2F3773

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

Preview Lab → · Contrast checker → · Palette generator →