#1865C9#1865C9

#1865C9 is a mid, vivid cyan. Relative luminance 0.137; OKLCH L 52.1% C 0.172 H 257.5°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#1865C9
RGB	rgb(24, 101, 201)
HSL	hsl(214, 79%, 44%)
HSV	hsv(214, 88%, 79%)
CMYK	cmyk(88.1%, 49.8%, 0%, 21.2%)
CIE-LAB	lab(43.82, 15.72, -58.11)
CIE-LCH	lch(43.82, 60.20, 285.13°)
OKLab	oklab(52.05% -0.0371 -0.1675)
OKLCH	oklch(52.05% 0.172 257.5)
XYZ	xyz(15.5691, 13.7166, 57.0740)
Luminance	0.1372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1865C9 #C97C18

analogous

#18BEC9 #1865C9 #2318C9

triadic

#1865C9 #C91865 #65C918

tetradic

#1865C9 #C918BE #C97C18 #18C923

square

#1865C9 #C918BE #C97C18 #18C923

split-complementary

#1865C9 #C92318 #BEC918

monochromatic

#0B2E5C #114A92 #1865C9 #3784E7 #6EA5EE

Accessibility & contrast

On white

5.61

#1865C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#1865C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1865C9

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1865C9	#FFFFFF	#000000	##FFFFFF
##1865C9	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2570CD

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#007D8D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1865c9;
/* rgb */ color: rgb(24, 101, 201);
/* oklch */ color: oklch(52.1% 0.172 257.5);

Tailwind

colors: {
  custom: {
    50: '#7890da',
    500: '#1865c9',
    950: '#000000',
  },
}

SCSS

$custom: #1865c9;
$custom-light: #7890da;
$custom-dark: #000000;

JSON

{
  "hex": "#1865c9",
  "rgb": {
    "r": 24,
    "g": 101,
    "b": 201
  },
  "hsl": {
    "h": 213.898,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52053,
    "c": 0.17152,
    "h": 257.5
  },
  "luminance": 0.13719
}

Semantic roles & 50–950 ramp

primary

#1865C9

secondary

#D4A569

accent

#A133F5

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #1865C9

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

Preview Lab → · Contrast checker → · Palette generator →