#2F4FA5#2F4FA5

#2F4FA5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.3% C 0.144 H 265.6°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FA5
RGB	rgb(47, 79, 165)
HSL	hsl(224, 56%, 42%)
HSV	hsv(224, 72%, 65%)
CMYK	cmyk(71.5%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(35.81, 18.52, -49.91)
CIE-LCH	lch(35.81, 53.23, 290.36°)
OKLab	oklab(45.33% -0.0111 -0.1434)
OKLCH	oklch(45.33% 0.144 265.6)
XYZ	xyz(10.7574, 8.9118, 36.7432)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FA5 #A5852F

analogous

#2F8AA5 #2F4FA5 #4A2FA5

triadic

#2F4FA5 #A52F4F #4FA52F

tetradic

#2F4FA5 #A52F8A #A5852F #2FA54A

square

#2F4FA5 #A52F8A #A5852F #2FA54A

split-complementary

#2F4FA5 #A54A2F #8AA52F

monochromatic

#142146 #213875 #2F4FA5 #476ACB #7691D8

Accessibility & contrast

On white

7.55

#2F4FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2F4FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FA5

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FA5	#FFFFFF	#000000	##FFFFFF
##2F4FA5	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195AA8

Deuteranopia (green-blind)

#004FA3

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4fa5;
/* rgb */ color: rgb(47, 79, 165);
/* oklch */ color: oklch(45.3% 0.144 265.6);

Tailwind

colors: {
  custom: {
    50: '#777fc0',
    500: '#2f4fa5',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fa5;
$custom-light: #777fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fa5",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 223.729,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4533,
    "c": 0.14387,
    "h": 265.6
  },
  "luminance": 0.08913
}

Semantic roles & 50–950 ramp

primary

#2F4FA5

secondary

#C0AA70

accent

#B649DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2F4FA5

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

Preview Lab → · Contrast checker → · Palette generator →