#2B599F#2B599F

#2B599F is a mid, vivid blue. Relative luminance 0.102; OKLCH L 46.9% C 0.124 H 258.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B599F
RGB	rgb(43, 89, 159)
HSL	hsl(216, 57%, 40%)
HSV	hsv(216, 73%, 62%)
CMYK	cmyk(73%, 44%, 0%, 37.6%)
CIE-LAB	lab(38.13, 9.04, -42.61)
CIE-LCH	lch(38.13, 43.56, 281.99°)
OKLab	oklab(46.93% -0.0244 -0.1219)
OKLCH	oklch(46.93% 0.124 258.7)
XYZ	xyz(10.8244, 10.1604, 34.1848)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B599F #9F712B

analogous

#2B939F #2B599F #372B9F

triadic

#2B599F #9F2B59 #599F2B

tetradic

#2B599F #9F2B93 #9F712B #2B9F37

square

#2B599F #9F2B93 #9F712B #2B9F37

split-complementary

#2B599F #9F372B #939F2B

monochromatic

#11233F #1E3E6F #2B599F #3D75CA #6D97D7

Accessibility & contrast

On white

6.93

#2B599F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2B599F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B599F

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B599F	#FFFFFF	#000000	##FFFFFF
##2B599F	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3760A2

Deuteranopia (green-blind)

#22559E

Tritanopia (blue-blind)

#006974

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2b599f;
/* rgb */ color: rgb(43, 89, 159);
/* oklch */ color: oklch(46.9% 0.124 258.7);

Tailwind

colors: {
  custom: {
    50: '#7487bc',
    500: '#2b599f',
    950: '#000000',
  },
}

SCSS

$custom: #2b599f;
$custom-light: #7487bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b599f",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 159
  },
  "hsl": {
    "h": 216.207,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4693,
    "c": 0.12428,
    "h": 258.7
  },
  "luminance": 0.10162
}

Semantic roles & 50–950 ramp

primary

#2B599F

secondary

#BE9C67

accent

#A447E1

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2B599F

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

Preview Lab → · Contrast checker → · Palette generator →