#2F4FAB#2F4FAB

#2F4FAB is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.152 H 266.0°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FAB
RGB	rgb(47, 79, 171)
HSL	hsl(225, 57%, 43%)
HSV	hsv(225, 73%, 67%)
CMYK	cmyk(72.5%, 53.8%, 0%, 32.9%)
CIE-LAB	lab(36.24, 20.79, -52.79)
CIE-LCH	lch(36.24, 56.74, 291.49°)
OKLab	oklab(45.79% -0.0105 -0.1519)
OKLCH	oklch(45.79% 0.152 266)
XYZ	xyz(11.3164, 9.1354, 39.6871)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FAB #AB8B2F

analogous

#2F8DAB #2F4FAB #4D2FAB

triadic

#2F4FAB #AB2F4F #4FAB2F

tetradic

#2F4FAB #AB2F8D #AB8B2F #2FAB4D

square

#2F4FAB #AB2F8D #AB8B2F #2FAB4D

split-complementary

#2F4FAB #AB4D2F #8DAB2F

monochromatic

#15234B #22397B #2F4FAB #4A6CCD #7A93DA

Accessibility & contrast

On white

7.43

#2F4FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2F4FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FAB

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FAB	#FFFFFF	#000000	##FFFFFF
##2F4FAB	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B5BAE

Deuteranopia (green-blind)

#0050A9

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2f4fab;
/* rgb */ color: rgb(47, 79, 171);
/* oklch */ color: oklch(45.8% 0.152 266.0);

Tailwind

colors: {
  custom: {
    50: '#787fc5',
    500: '#2f4fab',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fab;
$custom-light: #787fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fab",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 171
  },
  "hsl": {
    "h": 224.516,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45792,
    "c": 0.15228,
    "h": 266
  },
  "luminance": 0.09137
}

Semantic roles & 50–950 ramp

primary

#2F4FAB

secondary

#C3AE73

accent

#B948E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F4FAB

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

Preview Lab → · Contrast checker → · Palette generator →