#2F4A9A#2F4A9A

#2F4A9A is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.4% C 0.135 H 266.7°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F4A9A
RGB	rgb(47, 74, 154)
HSL	hsl(225, 53%, 39%)
HSV	hsv(225, 69%, 60%)
CMYK	cmyk(69.5%, 51.9%, 0%, 39.6%)
CIE-LAB	lab(33.63, 17.70, -46.81)
CIE-LCH	lch(33.63, 50.05, 290.72°)
OKLab	oklab(43.43% -0.0077 -0.1344)
OKLCH	oklch(43.43% 0.135 266.7)
XYZ	xyz(9.4518, 7.8341, 31.5796)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4A9A #9A7F2F

analogous

#2F809A #2F4A9A #4A2F9A

triadic

#2F4A9A #9A2F4A #4A9A2F

tetradic

#2F4A9A #9A2F80 #9A7F2F #2F9A4A

square

#2F4A9A #9A2F80 #9A7F2F #2F9A4A

split-complementary

#2F4A9A #9A4A2F #809A2F

monochromatic

#121D3C #21336B #2F4A9A #4162C5 #7089D3

Accessibility & contrast

On white

8.18

#2F4A9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F4A9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4A9A

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4A9A	#FFFFFF	#000000	##FFFFFF
##2F4A9A	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A549D

Deuteranopia (green-blind)

#004A98

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f4a9a;
/* rgb */ color: rgb(47, 74, 154);
/* oklch */ color: oklch(43.4% 0.135 266.7);

Tailwind

colors: {
  custom: {
    50: '#757cb8',
    500: '#2f4a9a',
    950: '#000000',
  },
}

SCSS

$custom: #2f4a9a;
$custom-light: #757cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4a9a",
  "rgb": {
    "r": 47,
    "g": 74,
    "b": 154
  },
  "hsl": {
    "h": 224.86,
    "s": 53.234,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43428,
    "c": 0.13462,
    "h": 266.7
  },
  "luminance": 0.07835
}

Semantic roles & 50–950 ramp

primary

#2F4A9A

secondary

#BBA66A

accent

#B84BDD

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #2F4A9A

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

Preview Lab → · Contrast checker → · Palette generator →