#1E72BB#1E72BB

#1E72BB is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.1% C 0.138 H 249.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#1E72BB
RGB	rgb(30, 114, 187)
HSL	hsl(208, 72%, 43%)
HSV	hsv(208, 84%, 73%)
CMYK	cmyk(84%, 39%, 0%, 26.7%)
CIE-LAB	lab(46.84, 2.43, -45.19)
CIE-LCH	lch(46.84, 45.25, 273.07°)
OKLab	oklab(54.15% -0.0473 -0.1291)
OKLCH	oklch(54.15% 0.138 249.9)
XYZ	xyz(15.5189, 15.8966, 49.2545)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E72BB #BB671E

analogous

#1EBBB5 #1E72BB #1E24BB

triadic

#1E72BB #BB1E72 #72BB1E

tetradic

#1E72BB #B51EBB #BB671E #24BB1E

square

#1E72BB #B51EBB #BB671E #24BB1E

split-complementary

#1E72BB #BB1E24 #BBB51E

monochromatic

#0D3252 #165286 #1E72BB #3791DF #6CAEE7

Accessibility & contrast

On white

5.02

#1E72BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#1E72BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E72BB

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E72BB	#FFFFFF	#000000	##FFFFFF
##1E72BB	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BE

Deuteranopia (green-blind)

#3669BA

Tritanopia (blue-blind)

#00848D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #1e72bb;
/* rgb */ color: rgb(30, 114, 187);
/* oklch */ color: oklch(54.1% 0.138 249.9);

Tailwind

colors: {
  custom: {
    50: '#759ad0',
    500: '#1e72bb',
    950: '#000000',
  },
}

SCSS

$custom: #1e72bb;
$custom-light: #759ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e72bb",
  "rgb": {
    "r": 30,
    "g": 114,
    "b": 187
  },
  "hsl": {
    "h": 207.898,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.54145,
    "c": 0.13751,
    "h": 249.9
  },
  "luminance": 0.15899
}

Semantic roles & 50–950 ramp

primary

#1E72BB

secondary

#CD9767

accent

#8E39EF

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #1E72BB

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

Preview Lab → · Contrast checker → · Palette generator →