#2550A7#2550A7

#2550A7 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.3% C 0.148 H 262.4°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#2550A7
RGB	rgb(37, 80, 167)
HSL	hsl(220, 64%, 40%)
HSV	hsv(220, 78%, 65%)
CMYK	cmyk(77.8%, 52.1%, 0%, 34.5%)
CIE-LAB	lab(35.83, 17.30, -51.10)
CIE-LCH	lch(35.83, 53.95, 288.71°)
OKLab	oklab(45.27% -0.0197 -0.1471)
OKLCH	oklch(45.27% 0.148 262.4)
XYZ	xyz(10.6042, 8.9194, 37.7145)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2550A7 #A77C25

analogous

#2591A7 #2550A7 #3B25A7

triadic

#2550A7 #A72550 #50A725

tetradic

#2550A7 #A72591 #A77C25 #25A73B

square

#2550A7 #A72591 #A77C25 #25A73B

split-complementary

#2550A7 #A73B25 #91A725

monochromatic

#0F2043 #1A3875 #2550A7 #376AD3 #698FDE

Accessibility & contrast

On white

7.54

#2550A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2550A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2550A7

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2550A7	#FFFFFF	#000000	##FFFFFF
##2550A7	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165BAA

Deuteranopia (green-blind)

#004FA5

Tritanopia (blue-blind)

#006573

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2550a7;
/* rgb */ color: rgb(37, 80, 167);
/* oklch */ color: oklch(45.3% 0.148 262.4);

Tailwind

colors: {
  custom: {
    50: '#7480c2',
    500: '#2550a7',
    950: '#000000',
  },
}

SCSS

$custom: #2550a7;
$custom-light: #7480c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2550a7",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 167
  },
  "hsl": {
    "h": 220.154,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.45273,
    "c": 0.14842,
    "h": 262.4
  },
  "luminance": 0.08921
}

Semantic roles & 50–950 ramp

primary

#2550A7

secondary

#C4A464

accent

#B041E7

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2550A7

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

Preview Lab → · Contrast checker → · Palette generator →