#2F4FA3#2F4FA3

#2F4FA3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.2% C 0.141 H 265.4°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FA3
RGB	rgb(47, 79, 163)
HSL	hsl(223, 55%, 41%)
HSV	hsv(223, 71%, 64%)
CMYK	cmyk(71.2%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(35.67, 17.77, -48.94)
CIE-LCH	lch(35.67, 52.06, 289.95°)
OKLab	oklab(45.18% -0.0113 -0.1406)
OKLCH	oklch(45.18% 0.141 265.4)
XYZ	xyz(10.5768, 8.8396, 35.7920)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FA3 #A3832F

analogous

#2F89A3 #2F4FA3 #492FA3

triadic

#2F4FA3 #A32F4F #4FA32F

tetradic

#2F4FA3 #A32F89 #A3832F #2FA349

square

#2F4FA3 #A32F89 #A3832F #2FA349

split-complementary

#2F4FA3 #A3492F #89A32F

monochromatic

#142144 #213873 #2F4FA3 #466ACA #7590D7

Accessibility & contrast

On white

7.59

#2F4FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2F4FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FA3

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FA3	#FFFFFF	#000000	##FFFFFF
##2F4FA3	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5AA6

Deuteranopia (green-blind)

#004FA1

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4fa3;
/* rgb */ color: rgb(47, 79, 163);
/* oklch */ color: oklch(45.2% 0.141 265.4);

Tailwind

colors: {
  custom: {
    50: '#767fbf',
    500: '#2f4fa3',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fa3;
$custom-light: #767fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fa3",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 223.448,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45178,
    "c": 0.14103,
    "h": 265.4
  },
  "luminance": 0.08841
}

Semantic roles & 50–950 ramp

primary

#2F4FA3

secondary

#BFA96F

accent

#B549DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2F4FA3

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

Preview Lab → · Contrast checker → · Palette generator →