#2C59B8#2C59B8

#2C59B8 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.159 H 262.9°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#2C59B8
RGB	rgb(44, 89, 184)
HSL	hsl(221, 61%, 45%)
HSV	hsv(221, 76%, 72%)
CMYK	cmyk(76.1%, 51.6%, 0%, 27.8%)
CIE-LAB	lab(39.81, 18.74, -54.69)
CIE-LCH	lch(39.81, 57.81, 288.91°)
OKLab	oklab(48.76% -0.0197 -0.1574)
OKLCH	oklch(48.76% 0.159 262.9)
XYZ	xyz(13.2597, 11.1394, 46.7894)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C59B8 #B88B2C

analogous

#2C9FB8 #2C59B8 #452CB8

triadic

#2C59B8 #B82C59 #59B82C

tetradic

#2C59B8 #B82C9F #B88B2C #2CB845

square

#2C59B8 #B82C9F #B88B2C #2CB845

split-complementary

#2C59B8 #B8452C #9FB82C

monochromatic

#142955 #204187 #2C59B8 #4D78D4 #7E9EE0

Accessibility & contrast

On white

6.51

#2C59B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2C59B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C59B8

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C59B8	#FFFFFF	#000000	##FFFFFF
##2C59B8	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B65BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2c59b8;
/* rgb */ color: rgb(44, 89, 184);
/* oklch */ color: oklch(48.8% 0.159 262.9);

Tailwind

colors: {
  custom: {
    50: '#7987ce',
    500: '#2c59b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c59b8;
$custom-light: #7987ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2c59b8",
  "rgb": {
    "r": 44,
    "g": 89,
    "b": 184
  },
  "hsl": {
    "h": 220.714,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48762,
    "c": 0.15863,
    "h": 262.9
  },
  "luminance": 0.11141
}

Semantic roles & 50–950 ramp

primary

#2C59B8

secondary

#C9AE77

accent

#B143E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2C59B8

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

Preview Lab → · Contrast checker → · Palette generator →