#1855AB#1855AB

#1855AB is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.151 H 258.3°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#1855AB
RGB	rgb(24, 85, 171)
HSL	hsl(215, 75%, 38%)
HSV	hsv(215, 86%, 67%)
CMYK	cmyk(86%, 50.3%, 0%, 32.9%)
CIE-LAB	lab(37.17, 14.28, -51.33)
CIE-LCH	lch(37.17, 53.28, 285.55°)
OKLab	oklab(46.28% -0.0306 -0.1478)
OKLCH	oklch(46.28% 0.151 258.3)
XYZ	xyz(10.9732, 9.6301, 39.8006)
Luminance	0.0963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1855AB #AB6E18

analogous

#189EAB #1855AB #2418AB

triadic

#1855AB #AB1855 #55AB18

tetradic

#1855AB #AB189E #AB6E18 #18AB24

square

#1855AB #AB189E #AB6E18 #18AB24

split-complementary

#1855AB #AB2418 #9EAB18

monochromatic

#092040 #103A75 #1855AB #2070E0 #5692E7

Accessibility & contrast

On white

7.18

#1855AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1855AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1855AB

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1855AB	#FFFFFF	#000000	##FFFFFF
##1855AB	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5EAE

Deuteranopia (green-blind)

#0051A9

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1855ab;
/* rgb */ color: rgb(24, 85, 171);
/* oklch */ color: oklch(46.3% 0.151 258.3);

Tailwind

colors: {
  custom: {
    50: '#7184c5',
    500: '#1855ab',
    950: '#000000',
  },
}

SCSS

$custom: #1855ab;
$custom-light: #7184c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1855ab",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 171
  },
  "hsl": {
    "h": 215.102,
    "s": 75.385,
    "l": 38.235
  },
  "oklch": {
    "l": 0.46282,
    "c": 0.15099,
    "h": 258.3
  },
  "luminance": 0.09631
}

Semantic roles & 50–950 ramp

primary

#1855AB

secondary

#CA9955

accent

#A436F2

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1855AB

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

Preview Lab → · Contrast checker → · Palette generator →