#1866A1#1866A1

#1866A1 is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.6% C 0.118 H 246.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#1866A1
RGB	rgb(24, 102, 161)
HSL	hsl(206, 74%, 36%)
HSV	hsv(206, 85%, 63%)
CMYK	cmyk(85.1%, 36.6%, 0%, 36.9%)
CIE-LAB	lab(41.64, -0.73, -38.24)
CIE-LCH	lch(41.64, 38.24, 268.91°)
OKLab	oklab(49.56% -0.0464 -0.109)
OKLCH	oklch(49.56% 0.118 246.9)
XYZ	xyz(11.5586, 12.2687, 35.4702)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1866A1 #A15318

analogous

#18A198 #1866A1 #1822A1

triadic

#1866A1 #A11866 #66A118

tetradic

#1866A1 #9818A1 #A15318 #22A118

square

#1866A1 #9818A1 #A15318 #22A118

split-complementary

#1866A1 #A11822 #A19818

monochromatic

#082336 #10446C #1866A1 #2088D6 #4FA4E5

Accessibility & contrast

On white

6.08

#1866A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#1866A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1866A1

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1866A1	#FFFFFF	#000000	##FFFFFF
##1866A1	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A69A3

Deuteranopia (green-blind)

#365DA0

Tritanopia (blue-blind)

#00747C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #1866a1;
/* rgb */ color: rgb(24, 102, 161);
/* oklch */ color: oklch(49.6% 0.118 246.9);

Tailwind

colors: {
  custom: {
    50: '#6e91bd',
    500: '#1866a1',
    950: '#000000',
  },
}

SCSS

$custom: #1866a1;
$custom-light: #6e91bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1866a1",
  "rgb": {
    "r": 24,
    "g": 102,
    "b": 161
  },
  "hsl": {
    "h": 205.839,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.49557,
    "c": 0.11848,
    "h": 246.9
  },
  "luminance": 0.1227
}

Semantic roles & 50–950 ramp

primary

#1866A1

secondary

#C7824E

accent

#8737F1

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C12

muted

#7B7D81

Preview Lab

Preview with #1866A1

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

Preview Lab → · Contrast checker → · Palette generator →