#2F4DAB#2F4DAB

#2F4DAB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.4% C 0.155 H 266.7°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F4DAB
RGB	rgb(47, 77, 171)
HSL	hsl(225, 57%, 43%)
HSV	hsv(225, 73%, 67%)
CMYK	cmyk(72.5%, 55%, 0%, 32.9%)
CIE-LAB	lab(35.70, 22.11, -53.68)
CIE-LCH	lch(35.70, 58.05, 292.39°)
OKLab	oklab(45.38% -0.0088 -0.1546)
OKLCH	oklch(45.38% 0.155 266.7)
XYZ	xyz(11.1743, 8.8512, 39.6397)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4DAB #AB8D2F

analogous

#2F8BAB #2F4DAB #4F2FAB

triadic

#2F4DAB #AB2F4D #4DAB2F

tetradic

#2F4DAB #AB2F8B #AB8D2F #2FAB4F

square

#2F4DAB #AB2F8B #AB8D2F #2FAB4F

split-complementary

#2F4DAB #AB4F2F #8BAB2F

monochromatic

#15224B #22377B #2F4DAB #4A6ACD #7A91DA

Accessibility & contrast

On white

7.58

#2F4DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2F4DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4DAB

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4DAB	#FFFFFF	#000000	##FFFFFF
##2F4DAB	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AAE

Deuteranopia (green-blind)

#004EA9

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4dab;
/* rgb */ color: rgb(47, 77, 171);
/* oklch */ color: oklch(45.4% 0.155 266.7);

Tailwind

colors: {
  custom: {
    50: '#787ec5',
    500: '#2f4dab',
    950: '#000000',
  },
}

SCSS

$custom: #2f4dab;
$custom-light: #787ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4dab",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 171
  },
  "hsl": {
    "h": 225.484,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45378,
    "c": 0.15481,
    "h": 266.7
  },
  "luminance": 0.08852
}

Semantic roles & 50–950 ramp

primary

#2F4DAB

secondary

#C3AF73

accent

#BB48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F4DAB

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

Preview Lab → · Contrast checker → · Palette generator →