#1373BB#1373BB

#1373BB is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.2% C 0.139 H 248.0°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#1373BB
RGB	rgb(19, 115, 187)
HSL	hsl(206, 82%, 40%)
HSV	hsv(206, 90%, 73%)
CMYK	cmyk(89.8%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(46.96, 1.02, -45.01)
CIE-LCH	lch(46.96, 45.02, 271.29°)
OKLab	oklab(54.18% -0.0519 -0.1287)
OKLCH	oklch(54.18% 0.139 248)
XYZ	xyz(15.3655, 15.9858, 49.2798)
Luminance	0.1599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1373BB #BB5B13

analogous

#13BBAF #1373BB #131FBB

triadic

#1373BB #BB1373 #73BB13

tetradic

#1373BB #AF13BB #BB5B13 #1FBB13

square

#1373BB #AF13BB #BB5B13 #1FBB13

split-complementary

#1373BB #BB131F #BBAF13

monochromatic

#082F4C #0D5183 #1373BB #2394E9 #5AAFEE

Accessibility & contrast

On white

5.00

#1373BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#1373BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1373BB

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1373BB	#FFFFFF	#000000	##FFFFFF
##1373BB	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5077BE

Deuteranopia (green-blind)

#3669BA

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #1373bb;
/* rgb */ color: rgb(19, 115, 187);
/* oklch */ color: oklch(54.2% 0.139 248.0);

Tailwind

colors: {
  custom: {
    50: '#739ad0',
    500: '#1373bb',
    950: '#000000',
  },
}

SCSS

$custom: #1373bb;
$custom-light: #739ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#1373bb",
  "rgb": {
    "r": 19,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 205.714,
    "s": 81.553,
    "l": 40.392
  },
  "oklch": {
    "l": 0.54184,
    "c": 0.13873,
    "h": 248
  },
  "luminance": 0.15988
}

Semantic roles & 50–950 ramp

primary

#1373BB

secondary

#D18C58

accent

#8630F8

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #1373BB

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

Preview Lab → · Contrast checker → · Palette generator →