#2F387D#2F387D

#2F387D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.4% C 0.116 H 273.8°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#2F387D
RGB	rgb(47, 56, 125)
HSL	hsl(233, 45%, 34%)
HSV	hsv(233, 62%, 49%)
CMYK	cmyk(62.4%, 55.2%, 0%, 51%)
CIE-LAB	lab(26.49, 19.08, -40.47)
CIE-LCH	lch(26.49, 44.74, 295.25°)
OKLab	oklab(37.36% 0.0077 -0.116)
OKLCH	oklch(37.36% 0.116 273.8)
XYZ	xyz(6.2869, 4.9129, 20.0150)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F387D #7D742F

analogous

#2F5F7D #2F387D #4D2F7D

triadic

#2F387D #7D2F38 #387D2F

tetradic

#2F387D #7D2F5F #7D742F #2F7D4D

square

#2F387D #7D2F5F #7D742F #2F7D4D

split-complementary

#2F387D #7D4D2F #5F7D2F

monochromatic

#0E1024 #1E2451 #2F387D #404CA9 #626EC4

Accessibility & contrast

On white

10.59

#2F387D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F387D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F387D

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F387D	#FFFFFF	#000000	##FFFFFF
##2F387D	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D427F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f387d;
/* rgb */ color: rgb(47, 56, 125);
/* oklch */ color: oklch(37.4% 0.116 273.8);

Tailwind

colors: {
  custom: {
    50: '#706ea3',
    500: '#2f387d',
    950: '#000000',
  },
}

SCSS

$custom: #2f387d;
$custom-light: #706ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f387d",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 125
  },
  "hsl": {
    "h": 233.077,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.37362,
    "c": 0.11625,
    "h": 273.8
  },
  "luminance": 0.04913
}

Semantic roles & 50–950 ramp

primary

#2F387D

secondary

#ABA25D

accent

#C653D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2F387D

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

Preview Lab → · Contrast checker → · Palette generator →