#2B4C9D#2B4C9D

#2B4C9D is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.138 H 264.7°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C9D
RGB	rgb(43, 76, 157)
HSL	hsl(223, 57%, 39%)
HSV	hsv(223, 73%, 62%)
CMYK	cmyk(72.6%, 51.6%, 0%, 38.4%)
CIE-LAB	lab(34.22, 16.89, -47.68)
CIE-LCH	lch(34.22, 50.59, 289.51°)
OKLab	oklab(43.89% -0.0128 -0.137)
OKLCH	oklch(43.89% 0.138 264.7)
XYZ	xyz(9.6644, 8.1158, 32.9489)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C9D #9D7C2B

analogous

#2B859D #2B4C9D #432B9D

triadic

#2B4C9D #9D2B4C #4C9D2B

tetradic

#2B4C9D #9D2B85 #9D7C2B #2B9D43

square

#2B4C9D #9D2B85 #9D7C2B #2B9D43

split-complementary

#2B4C9D #9D432B #859D2B

monochromatic

#111D3D #1E356D #2B4C9D #3C65CA #6C8BD7

Accessibility & contrast

On white

8.00

#2B4C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2B4C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C9D

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C9D	#FFFFFF	#000000	##FFFFFF
##2B4C9D	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B56A0

Deuteranopia (green-blind)

#004C9B

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2b4c9d;
/* rgb */ color: rgb(43, 76, 157);
/* oklch */ color: oklch(43.9% 0.138 264.7);

Tailwind

colors: {
  custom: {
    50: '#747dba',
    500: '#2b4c9d',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c9d;
$custom-light: #747dba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c9d",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 157
  },
  "hsl": {
    "h": 222.632,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43891,
    "c": 0.13762,
    "h": 264.7
  },
  "luminance": 0.08117
}

Semantic roles & 50–950 ramp

primary

#2B4C9D

secondary

#BDA466

accent

#B448E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4C9D

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

Preview Lab → · Contrast checker → · Palette generator →