#2F3A71#2F3A71

#2F3A71 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.9% C 0.095 H 272.4°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A71
RGB	rgb(47, 58, 113)
HSL	hsl(230, 41%, 31%)
HSV	hsv(230, 58%, 44%)
CMYK	cmyk(58.4%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(26.22, 13.32, -33.29)
CIE-LCH	lch(26.22, 35.86, 291.80°)
OKLab	oklab(36.9% 0.0041 -0.0949)
OKLCH	oklch(36.9% 0.095 272.4)
XYZ	xyz(5.6650, 4.8223, 16.2519)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A71 #71662F

analogous

#2F5B71 #2F3A71 #452F71

triadic

#2F3A71 #712F3A #3A712F

tetradic

#2F3A71 #712F5B #71662F #2F7145

square

#2F3A71 #712F5B #71662F #2F7145

split-complementary

#2F3A71 #71452F #5B712F

monochromatic

#0B0E1B #1D2446 #2F3A71 #41509C #5E6EBC

Accessibility & contrast

On white

10.69

#2F3A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2F3A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A71

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A71	#FFFFFF	#000000	##FFFFFF
##2F3A71	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214173

Deuteranopia (green-blind)

#183B70

Tritanopia (blue-blind)

#0A4650

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f3a71;
/* rgb */ color: rgb(47, 58, 113);
/* oklch */ color: oklch(36.9% 0.095 272.4);

Tailwind

colors: {
  custom: {
    50: '#6d6f9a',
    500: '#2f3a71',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a71;
$custom-light: #6d6f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a71",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 230,
    "s": 41.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36895,
    "c": 0.09497,
    "h": 272.4
  },
  "luminance": 0.04823
}

Semantic roles & 50–950 ramp

primary

#2F3A71

secondary

#A2965A

accent

#BD57D1

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2F3A71

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

Preview Lab → · Contrast checker → · Palette generator →