#2550A9#2550A9

#2550A9 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.4% C 0.151 H 262.6°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#2550A9
RGB	rgb(37, 80, 169)
HSL	hsl(220, 64%, 40%)
HSV	hsv(220, 78%, 66%)
CMYK	cmyk(78.1%, 52.7%, 0%, 33.7%)
CIE-LAB	lab(35.97, 18.08, -52.06)
CIE-LCH	lch(35.97, 55.11, 289.16°)
OKLab	oklab(45.43% -0.0195 -0.1499)
OKLCH	oklch(45.43% 0.151 262.6)
XYZ	xyz(10.7905, 8.9940, 38.6957)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2550A9 #A97E25

analogous

#2592A9 #2550A9 #3C25A9

triadic

#2550A9 #A92550 #50A925

tetradic

#2550A9 #A92592 #A97E25 #25A93C

square

#2550A9 #A92592 #A97E25 #25A93C

split-complementary

#2550A9 #A93C25 #92A925

monochromatic

#0F2045 #1A3877 #2550A9 #386AD3 #6A90DE

Accessibility & contrast

On white

7.50

#2550A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#2550A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2550A9

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2550A9	#FFFFFF	#000000	##FFFFFF
##2550A9	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125BAC

Deuteranopia (green-blind)

#004FA7

Tritanopia (blue-blind)

#006674

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2550a9;
/* rgb */ color: rgb(37, 80, 169);
/* oklch */ color: oklch(45.4% 0.151 262.6);

Tailwind

colors: {
  custom: {
    50: '#7480c3',
    500: '#2550a9',
    950: '#000000',
  },
}

SCSS

$custom: #2550a9;
$custom-light: #7480c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2550a9",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 169
  },
  "hsl": {
    "h": 220.455,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.45428,
    "c": 0.15118,
    "h": 262.6
  },
  "luminance": 0.08995
}

Semantic roles & 50–950 ramp

primary

#2550A9

secondary

#C4A565

accent

#B141E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #2550A9

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

Preview Lab → · Contrast checker → · Palette generator →