#137AE3#137AE3

#137AE3 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.4% C 0.181 H 254.6°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#137AE3
RGB	rgb(19, 122, 227)
HSL	hsl(210, 85%, 48%)
HSV	hsv(210, 92%, 89%)
CMYK	cmyk(91.6%, 46.3%, 0%, 11%)
CIE-LAB	lab(51.38, 12.25, -60.71)
CIE-LCH	lch(51.38, 61.93, 281.41°)
OKLab	oklab(58.41% -0.0482 -0.1747)
OKLCH	oklch(58.41% 0.181 254.6)
XYZ	xyz(21.0880, 19.6008, 75.3300)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#137AE3 #E37C13

analogous

#13E2E3 #137AE3 #1413E3

triadic

#137AE3 #E3137A #7AE313

tetradic

#137AE3 #E313E2 #E37C13 #13E314

square

#137AE3 #E313E2 #E37C13 #13E314

split-complementary

#137AE3 #E31413 #E2E313

monochromatic

#0A3D72 #0E5CAB #137AE3 #4499EF #7CB8F4

Accessibility & contrast

On white

4.27

#137AE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#137AE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #137AE3

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##137AE3	#FFFFFF	#000000	##000000
##137AE3	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E84E7

Deuteranopia (green-blind)

#0072E1

Tritanopia (blue-blind)

#0094A3

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #137ae3;
/* rgb */ color: rgb(19, 122, 227);
/* oklch */ color: oklch(58.4% 0.181 254.6);

Tailwind

colors: {
  custom: {
    50: '#7d9fec',
    500: '#137ae3',
    950: '#000000',
  },
}

SCSS

$custom: #137ae3;
$custom-light: #7d9fec;
$custom-dark: #000000;

JSON

{
  "hex": "#137ae3",
  "rgb": {
    "r": 19,
    "g": 122,
    "b": 227
  },
  "hsl": {
    "h": 210.288,
    "s": 84.553,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58408,
    "c": 0.18121,
    "h": 254.6
  },
  "luminance": 0.19604
}

Semantic roles & 50–950 ramp

primary

#137AE3

secondary

#DCA976

accent

#952DFB

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #137AE3

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

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