#2550A6#2550A6

#2550A6 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.2% C 0.147 H 262.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#2550A6
RGB	rgb(37, 80, 166)
HSL	hsl(220, 64%, 40%)
HSV	hsv(220, 78%, 65%)
CMYK	cmyk(77.7%, 51.8%, 0%, 34.9%)
CIE-LAB	lab(35.76, 16.91, -50.62)
CIE-LCH	lch(35.76, 53.37, 288.48°)
OKLab	oklab(45.2% -0.0198 -0.1457)
OKLCH	oklch(45.2% 0.147 262.2)
XYZ	xyz(10.5121, 8.8826, 37.2295)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2550A6 #A67B25

analogous

#2591A6 #2550A6 #3A25A6

triadic

#2550A6 #A62550 #50A625

tetradic

#2550A6 #A62591 #A67B25 #25A63A

square

#2550A6 #A62591 #A67B25 #25A63A

split-complementary

#2550A6 #A63A25 #91A625

monochromatic

#0F2042 #1A3874 #2550A6 #366AD2 #688FDD

Accessibility & contrast

On white

7.56

#2550A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2550A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2550A6

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2550A6	#FFFFFF	#000000	##FFFFFF
##2550A6	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185AA9

Deuteranopia (green-blind)

#004FA4

Tritanopia (blue-blind)

#006573

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2550a6;
/* rgb */ color: rgb(37, 80, 166);
/* oklch */ color: oklch(45.2% 0.147 262.2);

Tailwind

colors: {
  custom: {
    50: '#7380c1',
    500: '#2550a6',
    950: '#000000',
  },
}

SCSS

$custom: #2550a6;
$custom-light: #7380c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2550a6",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 166
  },
  "hsl": {
    "h": 220,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.45196,
    "c": 0.14702,
    "h": 262.2
  },
  "luminance": 0.08884
}

Semantic roles & 50–950 ramp

primary

#2550A6

secondary

#C3A364

accent

#AF41E7

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2550A6

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

Preview Lab → · Contrast checker → · Palette generator →