#2550A4#2550A4

#2550A4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.0% C 0.144 H 262.0°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#2550A4
RGB	rgb(37, 80, 164)
HSL	hsl(220, 63%, 39%)
HSV	hsv(220, 77%, 64%)
CMYK	cmyk(77.4%, 51.2%, 0%, 35.7%)
CIE-LAB	lab(35.62, 16.13, -49.65)
CIE-LCH	lch(35.62, 52.20, 288.00°)
OKLab	oklab(45.04% -0.0201 -0.1428)
OKLCH	oklch(45.04% 0.144 262)
XYZ	xyz(10.3300, 8.8098, 36.2708)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2550A4 #A47925

analogous

#2590A4 #2550A4 #3A25A4

triadic

#2550A4 #A42550 #50A425

tetradic

#2550A4 #A42590 #A47925 #25A43A

square

#2550A4 #A42590 #A47925 #25A43A

split-complementary

#2550A4 #A43A25 #90A425

monochromatic

#0E1F40 #1A3872 #2550A4 #356AD1 #678FDD

Accessibility & contrast

On white

7.60

#2550A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2550A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2550A4

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2550A4	#FFFFFF	#000000	##FFFFFF
##2550A4	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B5AA7

Deuteranopia (green-blind)

#004EA2

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2550a4;
/* rgb */ color: rgb(37, 80, 164);
/* oklch */ color: oklch(45.0% 0.144 262.0);

Tailwind

colors: {
  custom: {
    50: '#7380c0',
    500: '#2550a4',
    950: '#000000',
  },
}

SCSS

$custom: #2550a4;
$custom-light: #7380c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2550a4",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 164
  },
  "hsl": {
    "h": 219.685,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45042,
    "c": 0.14425,
    "h": 262
  },
  "luminance": 0.08811
}

Semantic roles & 50–950 ramp

primary

#2550A4

secondary

#C2A262

accent

#AE42E6

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2550A4

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

Preview Lab → · Contrast checker → · Palette generator →