#2F4DA4#2F4DA4

#2F4DA4 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.8% C 0.145 H 266.3°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#2F4DA4
RGB	rgb(47, 77, 164)
HSL	hsl(225, 55%, 41%)
HSV	hsv(225, 71%, 64%)
CMYK	cmyk(71.3%, 53%, 0%, 35.7%)
CIE-LAB	lab(35.19, 19.47, -50.32)
CIE-LCH	lch(35.19, 53.96, 291.15°)
OKLab	oklab(44.83% -0.0094 -0.1447)
OKLCH	oklch(44.83% 0.145 266.3)
XYZ	xyz(10.5247, 8.5914, 36.2184)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4DA4 #A4862F

analogous

#2F88A4 #2F4DA4 #4C2FA4

triadic

#2F4DA4 #A42F4D #4DA42F

tetradic

#2F4DA4 #A42F88 #A4862F #2FA44C

square

#2F4DA4 #A42F88 #A4862F #2FA44C

split-complementary

#2F4DA4 #A44C2F #88A42F

monochromatic

#142045 #213774 #2F4DA4 #4668CA #768FD8

Accessibility & contrast

On white

7.73

#2F4DA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2F4DA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4DA4

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4DA4	#FFFFFF	#000000	##FFFFFF
##2F4DA4	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1358A7

Deuteranopia (green-blind)

#004EA2

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4da4;
/* rgb */ color: rgb(47, 77, 164);
/* oklch */ color: oklch(44.8% 0.145 266.3);

Tailwind

colors: {
  custom: {
    50: '#777ec0',
    500: '#2f4da4',
    950: '#000000',
  },
}

SCSS

$custom: #2f4da4;
$custom-light: #777ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4da4",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 164
  },
  "hsl": {
    "h": 224.615,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4483,
    "c": 0.14501,
    "h": 266.3
  },
  "luminance": 0.08592
}

Semantic roles & 50–950 ramp

primary

#2F4DA4

secondary

#C0AB6F

accent

#B849DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F4DA4

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

Preview Lab → · Contrast checker → · Palette generator →