#2F4F9D#2F4F9D

#2F4F9D is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.132 H 264.8°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F4F9D
RGB	rgb(47, 79, 157)
HSL	hsl(223, 54%, 40%)
HSV	hsv(223, 70%, 62%)
CMYK	cmyk(70.1%, 49.7%, 0%, 38.4%)
CIE-LAB	lab(35.26, 15.50, -46.00)
CIE-LCH	lch(35.26, 48.54, 288.62°)
OKLab	oklab(44.73% -0.012 -0.1319)
OKLCH	oklch(44.73% 0.132 264.8)
XYZ	xyz(10.0519, 8.6296, 33.0277)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4F9D #9D7D2F

analogous

#2F869D #2F4F9D #462F9D

triadic

#2F4F9D #9D2F4F #4F9D2F

tetradic

#2F4F9D #9D2F86 #9D7D2F #2F9D46

square

#2F4F9D #9D2F86 #9D7D2F #2F9D46

split-complementary

#2F4F9D #9D462F #869D2F

monochromatic

#13203F #21376E #2F4F9D #4369C7 #728FD5

Accessibility & contrast

On white

7.70

#2F4F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#2F4F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4F9D

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4F9D	#FFFFFF	#000000	##FFFFFF
##2F4F9D	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2458A0

Deuteranopia (green-blind)

#034E9B

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4f9d;
/* rgb */ color: rgb(47, 79, 157);
/* oklch */ color: oklch(44.7% 0.132 264.8);

Tailwind

colors: {
  custom: {
    50: '#757fba',
    500: '#2f4f9d',
    950: '#000000',
  },
}

SCSS

$custom: #2f4f9d;
$custom-light: #757fba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4f9d",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 157
  },
  "hsl": {
    "h": 222.545,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.44732,
    "c": 0.13249,
    "h": 264.8
  },
  "luminance": 0.08631
}

Semantic roles & 50–950 ramp

primary

#2F4F9D

secondary

#BCA56B

accent

#B34BDD

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2F4F9D

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

Preview Lab → · Contrast checker → · Palette generator →