#2F4289#2F4289

#2F4289 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.120 H 269.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#2F4289
RGB	rgb(47, 66, 137)
HSL	hsl(227, 49%, 36%)
HSV	hsv(227, 66%, 54%)
CMYK	cmyk(65.7%, 51.8%, 0%, 46.3%)
CIE-LAB	lab(30.17, 16.71, -42.00)
CIE-LCH	lch(30.17, 45.20, 291.70°)
OKLab	oklab(40.42% -0.0018 -0.1204)
OKLCH	oklch(40.42% 0.12 269.2)
XYZ	xyz(7.6343, 6.3062, 24.4770)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4289 #89762F

analogous

#2F6F89 #2F4289 #492F89

triadic

#2F4289 #892F42 #42892F

tetradic

#2F4289 #892F6F #89762F #2F8949

square

#2F4289 #892F6F #89762F #2F8949

split-complementary

#2F4289 #89492F #6F892F

monochromatic

#10162E #1F2C5B #2F4289 #3F58B7 #677CCB

Accessibility & contrast

On white

9.29

#2F4289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2F4289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4289

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4289	#FFFFFF	#000000	##FFFFFF
##2F4289	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4B8C

Deuteranopia (green-blind)

#014388

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f4289;
/* rgb */ color: rgb(47, 66, 137);
/* oklch */ color: oklch(40.4% 0.120 269.2);

Tailwind

colors: {
  custom: {
    50: '#7276ac',
    500: '#2f4289',
    950: '#000000',
  },
}

SCSS

$custom: #2f4289;
$custom-light: #7276ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4289",
  "rgb": {
    "r": 47,
    "g": 66,
    "b": 137
  },
  "hsl": {
    "h": 227.333,
    "s": 48.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.40421,
    "c": 0.12039,
    "h": 269.2
  },
  "luminance": 0.06307
}

Semantic roles & 50–950 ramp

primary

#2F4289

secondary

#B2A162

accent

#BC4FD8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2F4289

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

Preview Lab → · Contrast checker → · Palette generator →