#2F4D9C#2F4D9C

#2F4D9C is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.2% C 0.134 H 265.6°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F4D9C
RGB	rgb(47, 77, 156)
HSL	hsl(223, 54%, 40%)
HSV	hsv(223, 70%, 61%)
CMYK	cmyk(69.9%, 50.6%, 0%, 38.8%)
CIE-LAB	lab(34.62, 16.45, -46.42)
CIE-LCH	lch(34.62, 49.25, 289.51°)
OKLab	oklab(44.22% -0.0103 -0.1332)
OKLCH	oklch(44.22% 0.134 265.6)
XYZ	xyz(9.8248, 8.3114, 32.5325)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4D9C #9C7E2F

analogous

#2F849C #2F4D9C #472F9C

triadic

#2F4D9C #9C2F4D #4D9C2F

tetradic

#2F4D9C #9C2F84 #9C7E2F #2F9C47

square

#2F4D9C #9C2F84 #9C7E2F #2F9C47

split-complementary

#2F4D9C #9C472F #849C2F

monochromatic

#131F3E #21366D #2F4D9C #4266C6 #718CD4

Accessibility & contrast

On white

7.89

#2F4D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2F4D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4D9C

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4D9C	#FFFFFF	#000000	##FFFFFF
##2F4D9C	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20579F

Deuteranopia (green-blind)

#004D9A

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f4d9c;
/* rgb */ color: rgb(47, 77, 156);
/* oklch */ color: oklch(44.2% 0.134 265.6);

Tailwind

colors: {
  custom: {
    50: '#757eba',
    500: '#2f4d9c',
    950: '#000000',
  },
}

SCSS

$custom: #2f4d9c;
$custom-light: #757eba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4d9c",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 156
  },
  "hsl": {
    "h": 223.486,
    "s": 53.695,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44224,
    "c": 0.13362,
    "h": 265.6
  },
  "luminance": 0.08312
}

Semantic roles & 50–950 ramp

primary

#2F4D9C

secondary

#BCA66B

accent

#B54BDD

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2F4D9C

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

Preview Lab → · Contrast checker → · Palette generator →