#2555AD#2555AD

#2555AD is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.8% C 0.150 H 261.3°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#2555AD
RGB	rgb(37, 85, 173)
HSL	hsl(219, 65%, 41%)
HSV	hsv(219, 79%, 68%)
CMYK	cmyk(78.6%, 50.9%, 0%, 32.2%)
CIE-LAB	lab(37.67, 16.32, -51.68)
CIE-LCH	lch(37.67, 54.20, 287.52°)
OKLab	oklab(46.82% -0.0229 -0.1487)
OKLCH	oklch(46.82% 0.15 261.3)
XYZ	xyz(11.5515, 9.9061, 40.8303)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2555AD #AD7D25

analogous

#2599AD #2555AD #3925AD

triadic

#2555AD #AD2555 #55AD25

tetradic

#2555AD #AD2599 #AD7D25 #25AD39

square

#2555AD #AD2599 #AD7D25 #25AD39

split-complementary

#2555AD #AD3925 #99AD25

monochromatic

#0F2348 #1A3C7B #2555AD #3A71D5 #6D95E0

Accessibility & contrast

On white

7.04

#2555AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#2555AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2555AD

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2555AD	#FFFFFF	#000000	##FFFFFF
##2555AD	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E5FB0

Deuteranopia (green-blind)

#0053AB

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2555ad;
/* rgb */ color: rgb(37, 85, 173);
/* oklch */ color: oklch(46.8% 0.150 261.3);

Tailwind

colors: {
  custom: {
    50: '#7584c6',
    500: '#2555ad',
    950: '#000000',
  },
}

SCSS

$custom: #2555ad;
$custom-light: #7584c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2555ad",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 173
  },
  "hsl": {
    "h": 218.824,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.46815,
    "c": 0.15048,
    "h": 261.3
  },
  "luminance": 0.09907
}

Semantic roles & 50–950 ramp

primary

#2555AD

secondary

#C6A568

accent

#AD40E8

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2555AD

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

Preview Lab → · Contrast checker → · Palette generator →