#2B559F#2B559F

#2B559F is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.0% C 0.129 H 260.8°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B559F
RGB	rgb(43, 85, 159)
HSL	hsl(218, 57%, 40%)
HSV	hsv(218, 73%, 62%)
CMYK	cmyk(73%, 46.5%, 0%, 37.6%)
CIE-LAB	lab(36.95, 11.67, -44.49)
CIE-LCH	lch(36.95, 45.99, 284.70°)
OKLab	oklab(46.02% -0.0207 -0.1275)
OKLCH	oklch(46.02% 0.129 260.8)
XYZ	xyz(10.5005, 9.5127, 34.0769)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B559F #9F752B

analogous

#2B8F9F #2B559F #3B2B9F

triadic

#2B559F #9F2B55 #559F2B

tetradic

#2B559F #9F2B8F #9F752B #2B9F3B

square

#2B559F #9F2B8F #9F752B #2B9F3B

split-complementary

#2B559F #9F3B2B #8F9F2B

monochromatic

#11213F #1E3B6F #2B559F #3D70CA #6D93D7

Accessibility & contrast

On white

7.23

#2B559F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#2B559F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B559F

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B559F	#FFFFFF	#000000	##FFFFFF
##2B559F	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5DA2

Deuteranopia (green-blind)

#16529D

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2b559f;
/* rgb */ color: rgb(43, 85, 159);
/* oklch */ color: oklch(46.0% 0.129 260.8);

Tailwind

colors: {
  custom: {
    50: '#7484bc',
    500: '#2b559f',
    950: '#000000',
  },
}

SCSS

$custom: #2b559f;
$custom-light: #7484bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b559f",
  "rgb": {
    "r": 43,
    "g": 85,
    "b": 159
  },
  "hsl": {
    "h": 218.276,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.46023,
    "c": 0.12913,
    "h": 260.8
  },
  "luminance": 0.09514
}

Semantic roles & 50–950 ramp

primary

#2B559F

secondary

#BE9F67

accent

#A947E1

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B559F

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

Preview Lab → · Contrast checker → · Palette generator →