#2F4FA4#2F4FA4

#2F4FA4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.3% C 0.142 H 265.5°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FA4
RGB	rgb(47, 79, 164)
HSL	hsl(224, 55%, 41%)
HSV	hsv(224, 71%, 64%)
CMYK	cmyk(71.3%, 51.8%, 0%, 35.7%)
CIE-LAB	lab(35.74, 18.14, -49.42)
CIE-LCH	lch(35.74, 52.65, 290.16°)
OKLab	oklab(45.25% -0.0112 -0.142)
OKLCH	oklch(45.25% 0.142 265.5)
XYZ	xyz(10.6668, 8.8755, 36.2658)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FA4 #A4842F

analogous

#2F8AA4 #2F4FA4 #4A2FA4

triadic

#2F4FA4 #A42F4F #4FA42F

tetradic

#2F4FA4 #A42F8A #A4842F #2FA44A

square

#2F4FA4 #A42F8A #A4842F #2FA44A

split-complementary

#2F4FA4 #A44A2F #8AA42F

monochromatic

#142145 #213874 #2F4FA4 #466ACA #7691D8

Accessibility & contrast

On white

7.57

#2F4FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2F4FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FA4

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FA4	#FFFFFF	#000000	##FFFFFF
##2F4FA4	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A5AA7

Deuteranopia (green-blind)

#004FA2

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4fa4;
/* rgb */ color: rgb(47, 79, 164);
/* oklch */ color: oklch(45.3% 0.142 265.5);

Tailwind

colors: {
  custom: {
    50: '#777fc0',
    500: '#2f4fa4',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fa4;
$custom-light: #777fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fa4",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 164
  },
  "hsl": {
    "h": 223.59,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45254,
    "c": 0.14245,
    "h": 265.5
  },
  "luminance": 0.08877
}

Semantic roles & 50–950 ramp

primary

#2F4FA4

secondary

#C0AA6F

accent

#B649DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2F4FA4

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

Preview Lab → · Contrast checker → · Palette generator →