#2B59B8#2B59B8

#2B59B8 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.159 H 262.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B59B8
RGB	rgb(43, 89, 184)
HSL	hsl(220, 62%, 45%)
HSV	hsv(220, 77%, 72%)
CMYK	cmyk(76.6%, 51.6%, 0%, 27.8%)
CIE-LAB	lab(39.78, 18.62, -54.75)
CIE-LCH	lch(39.78, 57.83, 288.78°)
OKLab	oklab(48.72% -0.0204 -0.1576)
OKLCH	oklch(48.72% 0.159 262.6)
XYZ	xyz(13.2173, 11.1175, 46.7874)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59B8 #B88A2B

analogous

#2B9FB8 #2B59B8 #442BB8

triadic

#2B59B8 #B82B59 #59B82B

tetradic

#2B59B8 #B82B9F #B88A2B #2BB844

square

#2B59B8 #B82B9F #B88A2B #2BB844

split-complementary

#2B59B8 #B8442B #9FB82B

monochromatic

#142955 #1F4186 #2B59B8 #4B78D5 #7D9DE1

Accessibility & contrast

On white

6.51

#2B59B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2B59B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59B8

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59B8	#FFFFFF	#000000	##FFFFFF
##2B59B8	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A65BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2b59b8;
/* rgb */ color: rgb(43, 89, 184);
/* oklch */ color: oklch(48.7% 0.159 262.6);

Tailwind

colors: {
  custom: {
    50: '#7987ce',
    500: '#2b59b8',
    950: '#000000',
  },
}

SCSS

$custom: #2b59b8;
$custom-light: #7987ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59b8",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 184
  },
  "hsl": {
    "h": 220.426,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48724,
    "c": 0.15891,
    "h": 262.6
  },
  "luminance": 0.11119
}

Semantic roles & 50–950 ramp

primary

#2B59B8

secondary

#C9AE76

accent

#B043E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2B59B8

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

Preview Lab → · Contrast checker → · Palette generator →