#2F4AAB#2F4AAB

#2F4AAB is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.159 H 267.7°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#2F4AAB
RGB	rgb(47, 74, 171)
HSL	hsl(227, 57%, 43%)
HSV	hsv(227, 73%, 67%)
CMYK	cmyk(72.5%, 56.7%, 0%, 32.9%)
CIE-LAB	lab(34.88, 24.10, -54.99)
CIE-LCH	lch(34.88, 60.04, 293.67°)
OKLab	oklab(44.77% -0.0064 -0.1585)
OKLCH	oklch(44.77% 0.159 267.7)
XYZ	xyz(10.9692, 8.4410, 39.5714)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4AAB #AB902F

analogous

#2F88AB #2F4AAB #522FAB

triadic

#2F4AAB #AB2F4A #4AAB2F

tetradic

#2F4AAB #AB2F88 #AB902F #2FAB52

square

#2F4AAB #AB2F88 #AB902F #2FAB52

split-complementary

#2F4AAB #AB522F #88AB2F

monochromatic

#15204B #22357B #2F4AAB #4A67CD #7A8FDA

Accessibility & contrast

On white

7.81

#2F4AAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2F4AAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4AAB

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4AAB	#FFFFFF	#000000	##FFFFFF
##2F4AAB	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f4aab;
/* rgb */ color: rgb(47, 74, 171);
/* oklch */ color: oklch(44.8% 0.159 267.7);

Tailwind

colors: {
  custom: {
    50: '#787cc5',
    500: '#2f4aab',
    950: '#000000',
  },
}

SCSS

$custom: #2f4aab;
$custom-light: #787cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4aab",
  "rgb": {
    "r": 47,
    "g": 74,
    "b": 171
  },
  "hsl": {
    "h": 226.935,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44768,
    "c": 0.15861,
    "h": 267.7
  },
  "luminance": 0.08442
}

Semantic roles & 50–950 ramp

primary

#2F4AAB

secondary

#C3B173

accent

#BF48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F4AAB

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

Preview Lab → · Contrast checker → · Palette generator →