#2B4B8B#2B4B8B

#2B4B8B is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.4% C 0.113 H 262.6°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#2B4B8B
RGB	rgb(43, 75, 139)
HSL	hsl(220, 53%, 36%)
HSV	hsv(220, 69%, 55%)
CMYK	cmyk(69.1%, 46%, 0%, 45.5%)
CIE-LAB	lab(32.72, 10.67, -39.15)
CIE-LCH	lch(32.72, 40.58, 285.25°)
OKLab	oklab(42.35% -0.0146 -0.1119)
OKLCH	oklch(42.35% 0.113 262.6)
XYZ	xyz(8.1709, 7.4090, 25.4206)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4B8B #8B6B2B

analogous

#2B7B8B #2B4B8B #3B2B8B

triadic

#2B4B8B #8B2B4B #4B8B2B

tetradic

#2B4B8B #8B2B7B #8B6B2B #2B8B3B

square

#2B4B8B #8B2B7B #8B6B2B #2B8B3B

split-complementary

#2B4B8B #8B3B2B #7B8B2B

monochromatic

#0E192E #1D325C #2B4B8B #3964BA #6286CE

Accessibility & contrast

On white

8.46

#2B4B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2B4B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4B8B

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4B8B	#FFFFFF	#000000	##FFFFFF
##2B4B8B	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C528D

Deuteranopia (green-blind)

#1A498A

Tritanopia (blue-blind)

#005A64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4b8b;
/* rgb */ color: rgb(43, 75, 139);
/* oklch */ color: oklch(42.4% 0.113 262.6);

Tailwind

colors: {
  custom: {
    50: '#707cad',
    500: '#2b4b8b',
    950: '#000000',
  },
}

SCSS

$custom: #2b4b8b;
$custom-light: #707cad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4b8b",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 139
  },
  "hsl": {
    "h": 220,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42353,
    "c": 0.11288,
    "h": 262.6
  },
  "luminance": 0.0741
}

Semantic roles & 50–950 ramp

primary

#2B4B8B

secondary

#B5975D

accent

#AC4CDC

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4B8B

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

Preview Lab → · Contrast checker → · Palette generator →