#1E66BB#1E66BB

#1E66BB is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.4% C 0.151 H 255.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#1E66BB
RGB	rgb(30, 102, 187)
HSL	hsl(212, 72%, 43%)
HSV	hsv(212, 84%, 73%)
CMYK	cmyk(84%, 45.5%, 0%, 26.7%)
CIE-LAB	lab(43.31, 10.00, -50.83)
CIE-LCH	lch(43.31, 51.81, 281.13°)
OKLab	oklab(51.39% -0.0377 -0.146)
OKLCH	oklch(51.39% 0.151 255.5)
XYZ	xyz(14.2531, 13.3648, 48.8325)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E66BB #BB731E

analogous

#1EB4BB #1E66BB #251EBB

triadic

#1E66BB #BB1E66 #66BB1E

tetradic

#1E66BB #BB1EB4 #BB731E #1EBB25

square

#1E66BB #BB1EB4 #BB731E #1EBB25

split-complementary

#1E66BB #BB251E #B4BB1E

monochromatic

#0D2C52 #164986 #1E66BB #3784DF #6CA5E7

Accessibility & contrast

On white

5.72

#1E66BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#1E66BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E66BB

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E66BB	#FFFFFF	#000000	##FFFFFF
##1E66BB	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBE

Deuteranopia (green-blind)

#1260B9

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #1e66bb;
/* rgb */ color: rgb(30, 102, 187);
/* oklch */ color: oklch(51.4% 0.151 255.5);

Tailwind

colors: {
  custom: {
    50: '#7691d0',
    500: '#1e66bb',
    950: '#000000',
  },
}

SCSS

$custom: #1e66bb;
$custom-light: #7691d0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e66bb",
  "rgb": {
    "r": 30,
    "g": 102,
    "b": 187
  },
  "hsl": {
    "h": 212.484,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51394,
    "c": 0.15075,
    "h": 255.5
  },
  "luminance": 0.13367
}

Semantic roles & 50–950 ramp

primary

#1E66BB

secondary

#CD9F67

accent

#9B39EF

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #1E66BB

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

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