#2B5299#2B5299

#2B5299 is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.9% C 0.124 H 261.3°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B5299
RGB	rgb(43, 82, 153)
HSL	hsl(219, 56%, 38%)
HSV	hsv(219, 72%, 60%)
CMYK	cmyk(71.9%, 46.4%, 0%, 40%)
CIE-LAB	lab(35.69, 11.36, -42.91)
CIE-LCH	lch(35.69, 44.39, 284.82°)
OKLab	oklab(44.93% -0.0189 -0.1229)
OKLCH	oklch(44.93% 0.124 261.3)
XYZ	xyz(9.7613, 8.8471, 31.3240)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5299 #99722B

analogous

#2B8999 #2B5299 #3B2B99

triadic

#2B5299 #992B52 #52992B

tetradic

#2B5299 #992B89 #99722B #2B993B

square

#2B5299 #992B89 #99722B #2B993B

split-complementary

#2B5299 #993B2B #89992B

monochromatic

#101F39 #1E3869 #2B5299 #3A6CC8 #6990D5

Accessibility & contrast

On white

7.58

#2B5299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2B5299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B5299

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5299	#FFFFFF	#000000	##FFFFFF
##2B5299	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E599C

Deuteranopia (green-blind)

#184F98

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b5299;
/* rgb */ color: rgb(43, 82, 153);
/* oklch */ color: oklch(44.9% 0.124 261.3);

Tailwind

colors: {
  custom: {
    50: '#7282b7',
    500: '#2b5299',
    950: '#000000',
  },
}

SCSS

$custom: #2b5299;
$custom-light: #7282b7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5299",
  "rgb": {
    "r": 43,
    "g": 82,
    "b": 153
  },
  "hsl": {
    "h": 218.727,
    "s": 56.122,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44926,
    "c": 0.12433,
    "h": 261.3
  },
  "luminance": 0.08848
}

Semantic roles & 50–950 ramp

primary

#2B5299

secondary

#BC9D64

accent

#AA48DF

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2B5299

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

Preview Lab → · Contrast checker → · Palette generator →