#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
RGB	rgb(24, 85, 180)
HSL	hsl(217, 76%, 40%)
HSV	hsv(217, 87%, 71%)
CMYK	cmyk(86.7%, 52.8%, 0%, 29.4%)
CIE-LAB	lab(37.82, 17.89, -55.61)
CIE-LCH	lch(37.82, 58.41, 287.84°)
OKLab	oklab(46.98% -0.0294 -0.1604)
OKLCH	oklch(46.98% 0.163 259.6)
XYZ	xyz(11.8604, 9.9850, 44.4733)
Luminance	0.0999 (WCAG relative)
Temperature	cool
Family	blue

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
##1855B4	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

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 →