#1863C9#1863C9

#1863C9 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.6% C 0.174 H 258.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#1863C9
RGB	rgb(24, 99, 201)
HSL	hsl(215, 79%, 44%)
HSV	hsv(215, 88%, 79%)
CMYK	cmyk(88.1%, 50.7%, 0%, 21.2%)
CIE-LAB	lab(43.26, 17.01, -59.02)
CIE-LCH	lch(43.26, 61.43, 286.08°)
OKLab	oklab(51.62% -0.0358 -0.1702)
OKLCH	oklch(51.62% 0.174 258.1)
XYZ	xyz(15.3772, 13.3329, 57.0101)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1863C9 #C97E18

analogous

#18BCC9 #1863C9 #2518C9

triadic

#1863C9 #C91863 #63C918

tetradic

#1863C9 #C918BC #C97E18 #18C925

square

#1863C9 #C918BC #C97E18 #18C925

split-complementary

#1863C9 #C92518 #BCC918

monochromatic

#0B2D5C #114892 #1863C9 #3782E7 #6EA4EE

Accessibility & contrast

On white

5.73

#1863C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#1863C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1863C9

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1863C9	#FFFFFF	#000000	##FFFFFF
##1863C9	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6ECD

Deuteranopia (green-blind)

#005FC7

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #1863c9;
/* rgb */ color: rgb(24, 99, 201);
/* oklch */ color: oklch(51.6% 0.174 258.1);

Tailwind

colors: {
  custom: {
    50: '#788eda',
    500: '#1863c9',
    950: '#000000',
  },
}

SCSS

$custom: #1863c9;
$custom-light: #788eda;
$custom-dark: #000000;

JSON

{
  "hex": "#1863c9",
  "rgb": {
    "r": 24,
    "g": 99,
    "b": 201
  },
  "hsl": {
    "h": 214.576,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51621,
    "c": 0.17391,
    "h": 258.1
  },
  "luminance": 0.13335
}

Semantic roles & 50–950 ramp

primary

#1863C9

secondary

#D4A769

accent

#A333F5

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #1863C9

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

Preview Lab → · Contrast checker → · Palette generator →