#1864C9#1864C9

#1864C9 is a mid, vivid cyan. Relative luminance 0.135; OKLCH L 51.8% C 0.173 H 257.8°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#1864C9
RGB	rgb(24, 100, 201)
HSL	hsl(214, 79%, 44%)
HSV	hsv(214, 88%, 79%)
CMYK	cmyk(88.1%, 50.2%, 0%, 21.2%)
CIE-LAB	lab(43.54, 16.36, -58.57)
CIE-LCH	lch(43.54, 60.81, 285.61°)
OKLab	oklab(51.84% -0.0365 -0.1688)
OKLCH	oklch(51.84% 0.173 257.8)
XYZ	xyz(15.4726, 13.5236, 57.0418)
Luminance	0.1353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1864C9 #C97D18

analogous

#18BDC9 #1864C9 #2418C9

triadic

#1864C9 #C91864 #64C918

tetradic

#1864C9 #C918BD #C97D18 #18C924

square

#1864C9 #C918BD #C97D18 #18C924

split-complementary

#1864C9 #C92418 #BDC918

monochromatic

#0B2E5C #114992 #1864C9 #3783E7 #6EA5EE

Accessibility & contrast

On white

5.67

#1864C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#1864C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1864C9

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1864C9	#FFFFFF	#000000	##FFFFFF
##1864C9	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226FCD

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#007D8D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #1864c9;
/* rgb */ color: rgb(24, 100, 201);
/* oklch */ color: oklch(51.8% 0.173 257.8);

Tailwind

colors: {
  custom: {
    50: '#788fda',
    500: '#1864c9',
    950: '#000000',
  },
}

SCSS

$custom: #1864c9;
$custom-light: #788fda;
$custom-dark: #000000;

JSON

{
  "hex": "#1864c9",
  "rgb": {
    "r": 24,
    "g": 100,
    "b": 201
  },
  "hsl": {
    "h": 214.237,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51836,
    "c": 0.17272,
    "h": 257.8
  },
  "luminance": 0.13526
}

Semantic roles & 50–950 ramp

primary

#1864C9

secondary

#D4A669

accent

#A233F5

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #1864C9

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

Preview Lab → · Contrast checker → · Palette generator →