#2F4BAB#2F4BAB

#2F4BAB is a dark, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.157 H 267.4°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#2F4BAB
RGB	rgb(47, 75, 171)
HSL	hsl(226, 57%, 43%)
HSV	hsv(226, 73%, 67%)
CMYK	cmyk(72.5%, 56.1%, 0%, 32.9%)
CIE-LAB	lab(35.15, 23.44, -54.56)
CIE-LCH	lch(35.15, 59.38, 293.25°)
OKLab	oklab(44.97% -0.0072 -0.1572)
OKLCH	oklch(44.97% 0.157 267.4)
XYZ	xyz(11.0365, 8.5756, 39.5938)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4BAB #AB8F2F

analogous

#2F89AB #2F4BAB #512FAB

triadic

#2F4BAB #AB2F4B #4BAB2F

tetradic

#2F4BAB #AB2F89 #AB8F2F #2FAB51

square

#2F4BAB #AB2F89 #AB8F2F #2FAB51

split-complementary

#2F4BAB #AB512F #89AB2F

monochromatic

#15214B #22367B #2F4BAB #4A68CD #7A90DA

Accessibility & contrast

On white

7.73

#2F4BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2F4BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4BAB

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4BAB	#FFFFFF	#000000	##FFFFFF
##2F4BAB	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4bab;
/* rgb */ color: rgb(47, 75, 171);
/* oklch */ color: oklch(45.0% 0.157 267.4);

Tailwind

colors: {
  custom: {
    50: '#787cc5',
    500: '#2f4bab',
    950: '#000000',
  },
}

SCSS

$custom: #2f4bab;
$custom-light: #787cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4bab",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 171
  },
  "hsl": {
    "h": 226.452,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4497,
    "c": 0.15735,
    "h": 267.4
  },
  "luminance": 0.08577
}

Semantic roles & 50–950 ramp

primary

#2F4BAB

secondary

#C3B173

accent

#BE48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F4BAB

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

Preview Lab → · Contrast checker → · Palette generator →