#2559C6#2559C6

#2559C6 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.179 H 262.6°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#2559C6
RGB	rgb(37, 89, 198)
HSL	hsl(221, 69%, 46%)
HSV	hsv(221, 81%, 78%)
CMYK	cmyk(81.3%, 55.1%, 0%, 22.4%)
CIE-LAB	lab(40.60, 23.37, -61.60)
CIE-LCH	lch(40.60, 65.88, 290.78°)
OKLab	oklab(49.61% -0.0231 -0.1778)
OKLCH	oklch(49.61% 0.179 262.6)
XYZ	xyz(14.5247, 11.6135, 54.8912)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2559C6 #C69225

analogous

#25A9C6 #2559C6 #4125C6

triadic

#2559C6 #C62559 #59C625

tetradic

#2559C6 #C625A9 #C69225 #25C641

square

#2559C6 #C625A9 #C69225 #25C641

split-complementary

#2559C6 #C64125 #A9C625

monochromatic

#122B5F #1B4292 #2559C6 #4B7ADD #7EA0E7

Accessibility & contrast

On white

6.32

#2559C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#2559C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2559C6

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2559C6	#FFFFFF	#000000	##FFFFFF
##2559C6	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CA

Deuteranopia (green-blind)

#0059C4

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2559c6;
/* rgb */ color: rgb(37, 89, 198);
/* oklch */ color: oklch(49.6% 0.179 262.6);

Tailwind

colors: {
  custom: {
    50: '#7b87d8',
    500: '#2559c6',
    950: '#000000',
  },
}

SCSS

$custom: #2559c6;
$custom-light: #7b87d8;
$custom-dark: #000000;

JSON

{
  "hex": "#2559c6",
  "rgb": {
    "r": 37,
    "g": 89,
    "b": 198
  },
  "hsl": {
    "h": 220.621,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4961,
    "c": 0.17931,
    "h": 262.6
  },
  "luminance": 0.11615
}

Semantic roles & 50–950 ramp

primary

#2559C6

secondary

#CFB377

accent

#B33CEB

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2559C6

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

Preview Lab → · Contrast checker → · Palette generator →