#2559BE#2559BE

#2559BE is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.169 H 261.9°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#2559BE
RGB	rgb(37, 89, 190)
HSL	hsl(220, 67%, 45%)
HSV	hsv(220, 81%, 75%)
CMYK	cmyk(80.5%, 53.2%, 0%, 25.5%)
CIE-LAB	lab(40.01, 20.29, -57.90)
CIE-LCH	lch(40.01, 61.35, 289.31°)
OKLab	oklab(48.98% -0.0239 -0.1669)
OKLCH	oklch(48.98% 0.169 261.9)
XYZ	xyz(13.6262, 11.2541, 50.1593)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2559BE #BE8A25

analogous

#25A6BE #2559BE #3E25BE

triadic

#2559BE #BE2559 #59BE25

tetradic

#2559BE #BE25A6 #BE8A25 #25BE3E

square

#2559BE #BE25A6 #BE8A25 #25BE3E

split-complementary

#2559BE #BE3E25 #A6BE25

monochromatic

#112958 #1B418B #2559BE #4578DB #799DE5

Accessibility & contrast

On white

6.46

#2559BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2559BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2559BE

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2559BE	#FFFFFF	#000000	##FFFFFF
##2559BE	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0866C2

Deuteranopia (green-blind)

#0058BC

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2559be;
/* rgb */ color: rgb(37, 89, 190);
/* oklch */ color: oklch(49.0% 0.169 261.9);

Tailwind

colors: {
  custom: {
    50: '#7987d2',
    500: '#2559be',
    950: '#000000',
  },
}

SCSS

$custom: #2559be;
$custom-light: #7987d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2559be",
  "rgb": {
    "r": 37,
    "g": 89,
    "b": 190
  },
  "hsl": {
    "h": 219.608,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48977,
    "c": 0.16865,
    "h": 261.9
  },
  "luminance": 0.11256
}

Semantic roles & 50–950 ramp

primary

#2559BE

secondary

#CDAE72

accent

#B03EEA

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2559BE

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

Preview Lab → · Contrast checker → · Palette generator →