#2B4B8D#2B4B8D

#2B4B8D is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.5% C 0.116 H 263.0°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2B4B8D
RGB	rgb(43, 75, 141)
HSL	hsl(220, 53%, 36%)
HSV	hsv(220, 70%, 55%)
CMYK	cmyk(69.5%, 46.8%, 0%, 44.7%)
CIE-LAB	lab(32.85, 11.43, -40.17)
CIE-LCH	lch(32.85, 41.77, 285.89°)
OKLab	oklab(42.49% -0.0142 -0.1149)
OKLCH	oklch(42.49% 0.116 263)
XYZ	xyz(8.3184, 7.4680, 26.1972)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4B8D #8D6D2B

analogous

#2B7C8D #2B4B8D #3C2B8D

triadic

#2B4B8D #8D2B4B #4B8D2B

tetradic

#2B4B8D #8D2B7C #8D6D2B #2B8D3C

square

#2B4B8D #8D2B7C #8D6D2B #2B8D3C

split-complementary

#2B4B8D #8D3C2B #7C8D2B

monochromatic

#0E192F #1D325E #2B4B8D #3964BC #6386CF

Accessibility & contrast

On white

8.42

#2B4B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2B4B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4B8D

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4B8D	#FFFFFF	#000000	##FFFFFF
##2B4B8D	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A528F

Deuteranopia (green-blind)

#17498C

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4b8d;
/* rgb */ color: rgb(43, 75, 141);
/* oklch */ color: oklch(42.5% 0.116 263.0);

Tailwind

colors: {
  custom: {
    50: '#707caf',
    500: '#2b4b8d',
    950: '#000000',
  },
}

SCSS

$custom: #2b4b8d;
$custom-light: #707caf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4b8d",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 141
  },
  "hsl": {
    "h": 220.408,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.42494,
    "c": 0.1158,
    "h": 263
  },
  "luminance": 0.07469
}

Semantic roles & 50–950 ramp

primary

#2B4B8D

secondary

#B6995E

accent

#AD4BDD

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4B8D

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

Preview Lab → · Contrast checker → · Palette generator →