#2559AE#2559AE

#2559AE is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.8% C 0.147 H 259.8°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#2559AE
RGB	rgb(37, 89, 174)
HSL	hsl(217, 65%, 41%)
HSV	hsv(217, 79%, 68%)
CMYK	cmyk(78.7%, 48.9%, 0%, 31.8%)
CIE-LAB	lab(38.89, 14.06, -50.32)
CIE-LCH	lch(38.89, 52.25, 285.62°)
OKLab	oklab(47.77% -0.0259 -0.1446)
OKLCH	oklch(47.77% 0.147 259.8)
XYZ	xyz(11.9725, 10.5927, 41.4498)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2559AE #AE7A25

analogous

#259EAE #2559AE #3525AE

triadic

#2559AE #AE2559 #59AE25

tetradic

#2559AE #AE259E #AE7A25 #25AE35

square

#2559AE #AE259E #AE7A25 #25AE35

split-complementary

#2559AE #AE3525 #9EAE25

monochromatic

#102549 #1A3F7C #2559AE #3B76D5 #6D99E0

Accessibility & contrast

On white

6.73

#2559AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#2559AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2559AE

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2559AE	#FFFFFF	#000000	##FFFFFF
##2559AE	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2862B1

Deuteranopia (green-blind)

#0056AC

Tritanopia (blue-blind)

#006D7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2559ae;
/* rgb */ color: rgb(37, 89, 174);
/* oklch */ color: oklch(47.8% 0.147 259.8);

Tailwind

colors: {
  custom: {
    50: '#7587c7',
    500: '#2559ae',
    950: '#000000',
  },
}

SCSS

$custom: #2559ae;
$custom-light: #7587c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2559ae",
  "rgb": {
    "r": 37,
    "g": 89,
    "b": 174
  },
  "hsl": {
    "h": 217.226,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47765,
    "c": 0.14693,
    "h": 259.8
  },
  "luminance": 0.10594
}

Semantic roles & 50–950 ramp

primary

#2559AE

secondary

#C6A368

accent

#A840E8

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2559AE

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

Preview Lab → · Contrast checker → · Palette generator →