#2550BA#2550BA

#2550BA is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.8% C 0.174 H 264.1°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#2550BA
RGB	rgb(37, 80, 186)
HSL	hsl(223, 67%, 44%)
HSV	hsv(223, 80%, 73%)
CMYK	cmyk(80.1%, 57%, 0%, 27.1%)
CIE-LAB	lab(37.25, 24.68, -60.04)
CIE-LCH	lch(37.25, 64.91, 292.35°)
OKLab	oklab(46.8% -0.018 -0.1734)
OKLCH	oklch(46.8% 0.174 264.1)
XYZ	xyz(12.4914, 9.6743, 47.6538)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2550BA #BA8F25

analogous

#259ABA #2550BA #4525BA

triadic

#2550BA #BA2550 #50BA25

tetradic

#2550BA #BA259A #BA8F25 #25BA45

square

#2550BA #BA259A #BA8F25 #25BA45

split-complementary

#2550BA #BA4525 #9ABA25

monochromatic

#112454 #1B3A87 #2550BA #436EDA #7695E4

Accessibility & contrast

On white

7.15

#2550BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2550BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2550BA

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2550BA	#FFFFFF	#000000	##FFFFFF
##2550BA	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBE

Deuteranopia (green-blind)

#0051B8

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2550ba;
/* rgb */ color: rgb(37, 80, 186);
/* oklch */ color: oklch(46.8% 0.174 264.1);

Tailwind

colors: {
  custom: {
    50: '#7880d0',
    500: '#2550ba',
    950: '#000000',
  },
}

SCSS

$custom: #2550ba;
$custom-light: #7880d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2550ba",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 186
  },
  "hsl": {
    "h": 222.685,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46799,
    "c": 0.17432,
    "h": 264.1
  },
  "luminance": 0.09676
}

Semantic roles & 50–950 ramp

primary

#2550BA

secondary

#CBB170

accent

#B83EEA

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2550BA

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

Preview Lab → · Contrast checker → · Palette generator →