#1E66C9#1E66C9

#1E66C9 is a mid, vivid cyan. Relative luminance 0.140; OKLCH L 52.4% C 0.169 H 258.0°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#1E66C9
RGB	rgb(30, 102, 201)
HSL	hsl(215, 74%, 45%)
HSV	hsv(215, 85%, 79%)
CMYK	cmyk(85.1%, 49.3%, 0%, 21.2%)
CIE-LAB	lab(44.22, 15.48, -57.46)
CIE-LCH	lch(44.22, 59.51, 285.08°)
OKLab	oklab(52.39% -0.0353 -0.1655)
OKLCH	oklch(52.39% 0.169 258)
XYZ	xyz(15.8255, 13.9938, 57.1140)
Luminance	0.1400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E66C9 #C9811E

analogous

#1EBBC9 #1E66C9 #2C1EC9

triadic

#1E66C9 #C91E66 #66C91E

tetradic

#1E66C9 #C91EBB #C9811E #1EC92C

square

#1E66C9 #C91EBB #C9811E #1EC92C

split-complementary

#1E66C9 #C92C1E #BBC91E

monochromatic

#0E305E #164B94 #1E66C9 #4185E3 #77A8EB

Accessibility & contrast

On white

5.53

#1E66C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#1E66C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E66C9

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E66C9	#FFFFFF	#000000	##FFFFFF
##1E66C9	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2971CD

Deuteranopia (green-blind)

#0061C7

Tritanopia (blue-blind)

#007E8E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1e66c9;
/* rgb */ color: rgb(30, 102, 201);
/* oklch */ color: oklch(52.4% 0.169 258.0);

Tailwind

colors: {
  custom: {
    50: '#7990da',
    500: '#1e66c9',
    950: '#000000',
  },
}

SCSS

$custom: #1e66c9;
$custom-light: #7990da;
$custom-dark: #000000;

JSON

{
  "hex": "#1e66c9",
  "rgb": {
    "r": 30,
    "g": 102,
    "b": 201
  },
  "hsl": {
    "h": 214.737,
    "s": 74.026,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52394,
    "c": 0.16919,
    "h": 258
  },
  "luminance": 0.13996
}

Semantic roles & 50–950 ramp

primary

#1E66C9

secondary

#D2A971

accent

#A337F1

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #1E66C9

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

Preview Lab → · Contrast checker → · Palette generator →