#2F397A#2F397A

#2F397A is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.110 H 273.3°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#2F397A
RGB	rgb(47, 57, 122)
HSL	hsl(232, 44%, 33%)
HSV	hsv(232, 61%, 48%)
CMYK	cmyk(61.5%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(26.55, 17.30, -38.47)
CIE-LCH	lch(26.55, 42.18, 294.21°)
OKLab	oklab(37.34% 0.0063 -0.1101)
OKLCH	oklch(37.34% 0.11 273.3)
XYZ	xyz(6.1471, 4.9353, 19.0372)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F397A #7A702F

analogous

#2F5E7A #2F397A #4A2F7A

triadic

#2F397A #7A2F39 #397A2F

tetradic

#2F397A #7A2F5E #7A702F #2F7A4A

square

#2F397A #7A2F5E #7A702F #2F7A4A

split-complementary

#2F397A #7A4A2F #5E7A2F

monochromatic

#0D1022 #1E244E #2F397A #404EA6 #616EC2

Accessibility & contrast

On white

10.57

#2F397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F397A

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F397A	#FFFFFF	#000000	##FFFFFF
##2F397A	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15427C

Deuteranopia (green-blind)

#043C79

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f397a;
/* rgb */ color: rgb(47, 57, 122);
/* oklch */ color: oklch(37.3% 0.110 273.3);

Tailwind

colors: {
  custom: {
    50: '#6f6fa1',
    500: '#2f397a',
    950: '#000000',
  },
}

SCSS

$custom: #2f397a;
$custom-light: #6f6fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f397a",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 232,
    "s": 44.379,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37342,
    "c": 0.1103,
    "h": 273.3
  },
  "luminance": 0.04936
}

Semantic roles & 50–950 ramp

primary

#2F397A

secondary

#A99F5C

accent

#C354D4

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #2F397A

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

Preview Lab → · Contrast checker → · Palette generator →