#1E66A6#1E66A6

#1E66A6 is a mid, vivid cyan. Relative luminance 0.125; OKLCH L 50.0% C 0.123 H 249.9°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#1E66A6
RGB	rgb(30, 102, 166)
HSL	hsl(208, 69%, 38%)
HSV	hsv(208, 82%, 65%)
CMYK	cmyk(81.9%, 38.6%, 0%, 34.9%)
CIE-LAB	lab(42.05, 1.79, -40.54)
CIE-LCH	lch(42.05, 40.58, 272.53°)
OKLab	oklab(50% -0.0424 -0.1157)
OKLCH	oklch(50% 0.123 249.9)
XYZ	xyz(12.1671, 12.5304, 37.8464)
Luminance	0.1253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E66A6 #A65E1E

analogous

#1EA6A2 #1E66A6 #1E22A6

triadic

#1E66A6 #A61E66 #66A61E

tetradic

#1E66A6 #A21EA6 #A65E1E #22A61E

square

#1E66A6 #A21EA6 #A65E1E #22A61E

split-complementary

#1E66A6 #A61E22 #A6A21E

monochromatic

#0B263E #154672 #1E66A6 #2986D8 #5DA3E2

Accessibility & contrast

On white

5.99

#1E66A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#1E66A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E66A6

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E66A6	#FFFFFF	#000000	##FFFFFF
##1E66A6	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476AA9

Deuteranopia (green-blind)

#325EA5

Tritanopia (blue-blind)

#00757E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1e66a6;
/* rgb */ color: rgb(30, 102, 166);
/* oklch */ color: oklch(50.0% 0.123 249.9);

Tailwind

colors: {
  custom: {
    50: '#7191c1',
    500: '#1e66a6',
    950: '#000000',
  },
}

SCSS

$custom: #1e66a6;
$custom-light: #7191c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e66a6",
  "rgb": {
    "r": 30,
    "g": 102,
    "b": 166
  },
  "hsl": {
    "h": 208.235,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.50004,
    "c": 0.12325,
    "h": 249.9
  },
  "luminance": 0.12532
}

Semantic roles & 50–950 ramp

primary

#1E66A6

secondary

#C68D5A

accent

#8F3CEC

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1E66A6

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

Preview Lab → · Contrast checker → · Palette generator →