#2F387E#2F387E

#2F387E is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.4% C 0.118 H 273.8°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#2F387E
RGB	rgb(47, 56, 126)
HSL	hsl(233, 46%, 34%)
HSV	hsv(233, 63%, 49%)
CMYK	cmyk(62.7%, 55.6%, 0%, 50.6%)
CIE-LAB	lab(26.56, 19.45, -40.98)
CIE-LCH	lch(26.56, 45.36, 295.39°)
OKLab	oklab(37.44% 0.0077 -0.1175)
OKLCH	oklch(37.44% 0.118 273.8)
XYZ	xyz(6.3511, 4.9385, 20.3532)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F387E #7E752F

analogous

#2F607E #2F387E #4E2F7E

triadic

#2F387E #7E2F38 #387E2F

tetradic

#2F387E #7E2F60 #7E752F #2F7E4E

square

#2F387E #7E2F60 #7E752F #2F7E4E

split-complementary

#2F387E #7E4E2F #607E2F

monochromatic

#0E1025 #1E2451 #2F387E #404CAB #636EC5

Accessibility & contrast

On white

10.56

#2F387E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F387E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F387E

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F387E	#FFFFFF	#000000	##FFFFFF
##2F387E	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4280

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f387e;
/* rgb */ color: rgb(47, 56, 126);
/* oklch */ color: oklch(37.4% 0.118 273.8);

Tailwind

colors: {
  custom: {
    50: '#706ea4',
    500: '#2f387e',
    950: '#000000',
  },
}

SCSS

$custom: #2f387e;
$custom-light: #706ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f387e",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 233.165,
    "s": 45.665,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37441,
    "c": 0.11775,
    "h": 273.8
  },
  "luminance": 0.04939
}

Semantic roles & 50–950 ramp

primary

#2F387E

secondary

#ACA35D

accent

#C652D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F387E

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

Preview Lab → · Contrast checker → · Palette generator →