#2559E2#2559E2

#2559E2 is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.0% C 0.215 H 264.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2559E2
RGB	rgb(37, 89, 226)
HSL	hsl(223, 77%, 52%)
HSV	hsv(223, 84%, 89%)
CMYK	cmyk(83.6%, 60.6%, 0%, 11.4%)
CIE-LAB	lab(42.80, 33.98, -74.06)
CIE-LCH	lch(42.80, 81.48, 294.64°)
OKLab	oklab(51.96% -0.0218 -0.2144)
OKLCH	oklch(51.96% 0.215 264.2)
XYZ	xyz(18.0579, 13.0268, 73.4994)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2559E2 #E2AE25

analogous

#25B8E2 #2559E2 #5025E2

triadic

#2559E2 #E22559 #59E225

tetradic

#2559E2 #E225B8 #E2AE25 #25E250

square

#2559E2 #E225B8 #E2AE25 #25E250

split-complementary

#2559E2 #E25025 #B8E225

monochromatic

#112E7C #1842B2 #2559E2 #5B82E9 #91ABF0

Accessibility & contrast

On white

5.82

#2559E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2559E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2559E2

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2559E2	#FFFFFF	#000000	##FFFFFF
##2559E2	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE6

Deuteranopia (green-blind)

#005DDF

Tritanopia (blue-blind)

#007D95

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2559e2;
/* rgb */ color: rgb(37, 89, 226);
/* oklch */ color: oklch(52.0% 0.215 264.2);

Tailwind

colors: {
  custom: {
    50: '#8187ec',
    500: '#2559e2',
    950: '#000000',
  },
}

SCSS

$custom: #2559e2;
$custom-light: #8187ec;
$custom-dark: #000000;

JSON

{
  "hex": "#2559e2",
  "rgb": {
    "r": 37,
    "g": 89,
    "b": 226
  },
  "hsl": {
    "h": 223.492,
    "s": 76.518,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51956,
    "c": 0.21548,
    "h": 264.2
  },
  "luminance": 0.13029
}

Semantic roles & 50–950 ramp

primary

#2559E2

secondary

#DBC488

accent

#BF35F3

background

#F8F8FE

surface

#F0EFFD

border

#CBCAD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #2559E2

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

Preview Lab → · Contrast checker → · Palette generator →