#1855B4#1855B4

#1855B4 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.0% C 0.163 H 259.6°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX#1855B4
RGBrgb(24, 85, 180)
HSLhsl(217, 76%, 40%)
HSVhsv(217, 87%, 71%)
CMYKcmyk(86.7%, 52.8%, 0%, 29.4%)
CIE-LABlab(37.82, 17.89, -55.61)
CIE-LCHlch(37.82, 58.41, 287.84°)
OKLaboklab(46.98% -0.0294 -0.1604)
OKLCHoklch(46.98% 0.163 259.6)
XYZxyz(11.8604, 9.9850, 44.4733)
Luminance0.0999 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1855B4 #B47718
analogous
#18A3B4 #1855B4 #2918B4
triadic
#1855B4 #B41855 #55B418
tetradic
#1855B4 #B418A3 #B47718 #18B429
square
#1855B4 #B418A3 #B47718 #18B429
split-complementary
#1855B4 #B42918 #A3B418
monochromatic
#0A2248 #113C7E #1855B4 #2770E2 #5D94E9

Accessibility & contrast

On white

7.01
#1855B4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

3.00
#1855B4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1855B4
7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1855B4#FFFFFF#000000##FFFFFF
##1855B41.007.013.007.01
#FFFFFF7.011.0021.001.00
#0000003.0021.001.0021.00
##FFFFFF7.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0B60B7
Deuteranopia (green-blind)
#0052B2
Tritanopia (blue-blind)
#006C7C
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #1855b4;
/* rgb */ color: rgb(24, 85, 180);
/* oklch */ color: oklch(47.0% 0.163 259.6);
Tailwind
colors: {
  custom: {
    50: '#7384cb',
    500: '#1855b4',
    950: '#000000',
  },
}
SCSS
$custom: #1855b4;
$custom-light: #7384cb;
$custom-dark: #000000;
JSON
{
  "hex": "#1855b4",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 180
  },
  "hsl": {
    "h": 216.538,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.46981,
    "c": 0.16311,
    "h": 259.6
  },
  "luminance": 0.09986
}

Semantic roles & 50–950 ramp

primary
#1855B4
secondary
#CDA05B
accent
#A935F3
background
#F7F8FC
surface
#EEEFF9
border
#C9CAD2
text
#0A0A13
muted
#7C7C82

Preview Lab

Preview with #1855B4

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

Preview Lab → · Contrast checker → · Palette generator →

#1855B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva