#2F3F73#2F3F73

#2F3F73 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.091 H 268.9°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F3F73
RGB	rgb(47, 63, 115)
HSL	hsl(226, 42%, 32%)
HSV	hsv(226, 59%, 45%)
CMYK	cmyk(59.1%, 45.2%, 0%, 54.9%)
CIE-LAB	lab(27.84, 10.61, -31.99)
CIE-LCH	lch(27.84, 33.70, 288.36°)
OKLab	oklab(38.17% -0.0017 -0.091)
OKLCH	oklch(38.17% 0.091 268.9)
XYZ	xyz(6.0433, 5.3967, 16.9395)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3F73 #73632F

analogous

#2F6173 #2F3F73 #412F73

triadic

#2F3F73 #732F3F #3F732F

tetradic

#2F3F73 #732F61 #73632F #2F7341

square

#2F3F73 #732F61 #73632F #2F7341

split-complementary

#2F3F73 #73412F #61732F

monochromatic

#0B0F1C #1D2748 #2F3F73 #41579E #5F75BE

Accessibility & contrast

On white

10.10

#2F3F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F3F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3F73

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3F73	#FFFFFF	#000000	##FFFFFF
##2F3F73	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284575

Deuteranopia (green-blind)

#203F72

Tritanopia (blue-blind)

#044A53

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f3f73;
/* rgb */ color: rgb(47, 63, 115);
/* oklch */ color: oklch(38.2% 0.091 268.9);

Tailwind

colors: {
  custom: {
    50: '#6e739b',
    500: '#2f3f73',
    950: '#000000',
  },
}

SCSS

$custom: #2f3f73;
$custom-light: #6e739b;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3f73",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 115
  },
  "hsl": {
    "h": 225.882,
    "s": 41.975,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3817,
    "c": 0.091,
    "h": 268.9
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#2F3F73

secondary

#A4935A

accent

#B556D2

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2F3F73

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

Preview Lab → · Contrast checker → · Palette generator →