#1855B3#1855B3

#1855B3 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.162 H 259.5°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#1855B3
RGB	rgb(24, 85, 179)
HSL	hsl(216, 76%, 40%)
HSV	hsv(216, 87%, 70%)
CMYK	cmyk(86.6%, 52.5%, 0%, 29.8%)
CIE-LAB	lab(37.74, 17.49, -55.14)
CIE-LCH	lch(37.74, 57.84, 287.60°)
OKLab	oklab(46.9% -0.0295 -0.159)
OKLCH	oklch(46.9% 0.162 259.5)
XYZ	xyz(11.7589, 9.9444, 43.9388)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1855B3 #B37618

analogous

#18A3B3 #1855B3 #2818B3

triadic

#1855B3 #B31855 #55B318

tetradic

#1855B3 #B318A3 #B37618 #18B328

square

#1855B3 #B318A3 #B37618 #18B328

split-complementary

#1855B3 #B32818 #A3B318

monochromatic

#0A2247 #113B7D #1855B3 #2670E2 #5C94E9

Accessibility & contrast

On white

7.03

#1855B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#1855B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1855B3

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1855B3	#FFFFFF	#000000	##FFFFFF
##1855B3	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F60B6

Deuteranopia (green-blind)

#0052B1

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1855b3;
/* rgb */ color: rgb(24, 85, 179);
/* oklch */ color: oklch(46.9% 0.162 259.5);

Tailwind

colors: {
  custom: {
    50: '#7384ca',
    500: '#1855b3',
    950: '#000000',
  },
}

SCSS

$custom: #1855b3;
$custom-light: #7384ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1855b3",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 179
  },
  "hsl": {
    "h": 216.387,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46902,
    "c": 0.16177,
    "h": 259.5
  },
  "luminance": 0.09946
}

Semantic roles & 50–950 ramp

primary

#1855B3

secondary

#CDA05A

accent

#A835F3

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1855B3

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

Preview Lab → · Contrast checker → · Palette generator →