#2B549B#2B549B

#2B549B is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.5% C 0.125 H 260.6°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B549B
RGB	rgb(43, 84, 155)
HSL	hsl(218, 57%, 39%)
HSV	hsv(218, 72%, 61%)
CMYK	cmyk(72.3%, 45.8%, 0%, 39.2%)
CIE-LAB	lab(36.40, 10.80, -42.97)
CIE-LCH	lch(36.40, 44.30, 284.11°)
OKLab	oklab(45.52% -0.0204 -0.123)
OKLCH	oklch(45.52% 0.125 260.6)
XYZ	xyz(10.0809, 9.2197, 32.2523)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B549B #9B722B

analogous

#2B8C9B #2B549B #3A2B9B

triadic

#2B549B #9B2B54 #549B2B

tetradic

#2B549B #9B2B8C #9B722B #2B9B3A

square

#2B549B #9B2B8C #9B722B #2B9B3A

split-complementary

#2B549B #9B3A2B #8C9B2B

monochromatic

#10203B #1E3A6B #2B549B #3B6FC9 #6B92D6

Accessibility & contrast

On white

7.38

#2B549B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#2B549B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B549B

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B549B	#FFFFFF	#000000	##FFFFFF
##2B549B	1.00	7.38	2.84	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305B9E

Deuteranopia (green-blind)

#1A519A

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b549b;
/* rgb */ color: rgb(43, 84, 155);
/* oklch */ color: oklch(45.5% 0.125 260.6);

Tailwind

colors: {
  custom: {
    50: '#7383b9',
    500: '#2b549b',
    950: '#000000',
  },
}

SCSS

$custom: #2b549b;
$custom-light: #7383b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b549b",
  "rgb": {
    "r": 43,
    "g": 84,
    "b": 155
  },
  "hsl": {
    "h": 218.036,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.45518,
    "c": 0.1247,
    "h": 260.6
  },
  "luminance": 0.09221
}

Semantic roles & 50–950 ramp

primary

#2B549B

secondary

#BC9D65

accent

#A848E0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2B549B

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

Preview Lab → · Contrast checker → · Palette generator →