#2B4778#2B4778

#2B4778 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.1% C 0.090 H 260.9°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B4778
RGB	rgb(43, 71, 120)
HSL	hsl(218, 47%, 32%)
HSV	hsv(218, 64%, 47%)
CMYK	cmyk(64.2%, 40.8%, 0%, 52.9%)
CIE-LAB	lab(30.34, 6.17, -31.17)
CIE-LCH	lch(30.34, 31.77, 281.19°)
OKLab	oklab(40.14% -0.0142 -0.0886)
OKLCH	oklch(40.14% 0.09 260.9)
XYZ	xyz(6.6385, 6.3755, 18.6464)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4778 #785C2B

analogous

#2B6E78 #2B4778 #362B78

triadic

#2B4778 #782B47 #47782B

tetradic

#2B4778 #782B6E #785C2B #2B7836

square

#2B4778 #782B6E #785C2B #2B7836

split-complementary

#2B4778 #78362B #6E782B

monochromatic

#0B121E #1B2C4B #2B4778 #3B62A5 #5A80C4

Accessibility & contrast

On white

9.23

#2B4778 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2B4778 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4778

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4778	#FFFFFF	#000000	##FFFFFF
##2B4778	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324B7A

Deuteranopia (green-blind)

#274477

Tritanopia (blue-blind)

#005259

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4778;
/* rgb */ color: rgb(43, 71, 120);
/* oklch */ color: oklch(40.1% 0.090 260.9);

Tailwind

colors: {
  custom: {
    50: '#6c799f',
    500: '#2b4778',
    950: '#000000',
  },
}

SCSS

$custom: #2b4778;
$custom-light: #6c799f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4778",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 120
  },
  "hsl": {
    "h": 218.182,
    "s": 47.239,
    "l": 31.961
  },
  "oklch": {
    "l": 0.40137,
    "c": 0.0897,
    "h": 260.9
  },
  "luminance": 0.06376
}

Semantic roles & 50–950 ramp

primary

#2B4778

secondary

#AA8B55

accent

#A651D7

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #2B4778

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

Preview Lab → · Contrast checker → · Palette generator →