#2B4978#2B4978

#2B4978 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.6% C 0.087 H 259.1°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#2B4978
RGB	rgb(43, 73, 120)
HSL	hsl(217, 47%, 32%)
HSV	hsv(217, 64%, 47%)
CMYK	cmyk(64.2%, 39.2%, 0%, 52.9%)
CIE-LAB	lab(30.96, 4.83, -30.19)
CIE-LCH	lch(30.96, 30.57, 279.09°)
OKLab	oklab(40.62% -0.0166 -0.0857)
OKLCH	oklch(40.62% 0.087 259.1)
XYZ	xyz(6.7678, 6.6341, 18.6895)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4978 #785A2B

analogous

#2B7078 #2B4978 #342B78

triadic

#2B4978 #782B49 #49782B

tetradic

#2B4978 #782B70 #785A2B #2B7834

square

#2B4978 #782B70 #785A2B #2B7834

split-complementary

#2B4978 #78342B #70782B

monochromatic

#0B121E #1B2E4B #2B4978 #3B64A5 #5A83C4

Accessibility & contrast

On white

9.02

#2B4978 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2B4978 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4978

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4978	#FFFFFF	#000000	##FFFFFF
##2B4978	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354D7A

Deuteranopia (green-blind)

#2A4677

Tritanopia (blue-blind)

#00545A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2b4978;
/* rgb */ color: rgb(43, 73, 120);
/* oklch */ color: oklch(40.6% 0.087 259.1);

Tailwind

colors: {
  custom: {
    50: '#6c7b9f',
    500: '#2b4978',
    950: '#000000',
  },
}

SCSS

$custom: #2b4978;
$custom-light: #6c7b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4978",
  "rgb": {
    "r": 43,
    "g": 73,
    "b": 120
  },
  "hsl": {
    "h": 216.623,
    "s": 47.239,
    "l": 31.961
  },
  "oklch": {
    "l": 0.40617,
    "c": 0.08726,
    "h": 259.1
  },
  "luminance": 0.06635
}

Semantic roles & 50–950 ramp

primary

#2B4978

secondary

#AA8955

accent

#A351D7

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #2B4978

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

Preview Lab → · Contrast checker → · Palette generator →