#136BC9#136BC9

#136BC9 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.3% C 0.165 H 255.0°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#136BC9
RGB	rgb(19, 107, 201)
HSL	hsl(211, 83%, 43%)
HSV	hsv(211, 91%, 79%)
CMYK	cmyk(90.5%, 46.8%, 0%, 21.2%)
CIE-LAB	lab(45.45, 11.56, -55.49)
CIE-LCH	lch(45.45, 56.68, 281.77°)
OKLab	oklab(53.29% -0.0428 -0.1596)
OKLCH	oklch(53.29% 0.165 255)
XYZ	xyz(16.0649, 14.8688, 57.2702)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#136BC9 #C97113

analogous

#13C6C9 #136BC9 #1613C9

triadic

#136BC9 #C9136B #6BC913

tetradic

#136BC9 #C913C6 #C97113 #13C916

square

#136BC9 #C913C6 #C97113 #13C916

split-complementary

#136BC9 #C91613 #C6C913

monochromatic

#082F59 #0E4D91 #136BC9 #2E89EB #66A9F1

Accessibility & contrast

On white

5.28

#136BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#136BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #136BC9

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##136BC9	#FFFFFF	#000000	##FFFFFF
##136BC9	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3574CD

Deuteranopia (green-blind)

#0064C7

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #136bc9;
/* rgb */ color: rgb(19, 107, 201);
/* oklch */ color: oklch(53.3% 0.165 255.0);

Tailwind

colors: {
  custom: {
    50: '#7794da',
    500: '#136bc9',
    950: '#000000',
  },
}

SCSS

$custom: #136bc9;
$custom-light: #7794da;
$custom-dark: #000000;

JSON

{
  "hex": "#136bc9",
  "rgb": {
    "r": 19,
    "g": 107,
    "b": 201
  },
  "hsl": {
    "h": 210.989,
    "s": 82.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.53287,
    "c": 0.16529,
    "h": 255
  },
  "luminance": 0.14871
}

Semantic roles & 50–950 ramp

primary

#136BC9

secondary

#D59E63

accent

#972FF9

background

#F8F9FD

surface

#EFF1FB

border

#CACBD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #136BC9

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

Preview Lab → · Contrast checker → · Palette generator →