#156E81#156E81

#156E81 is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 49.8% C 0.083 H 216.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#156E81
RGB	rgb(21, 110, 129)
HSL	hsl(191, 72%, 29%)
HSV	hsv(191, 84%, 51%)
CMYK	cmyk(83.7%, 14.7%, 0%, 49.4%)
CIE-LAB	lab(42.60, -17.78, -17.61)
CIE-LCH	lch(42.60, 25.03, 224.72°)
OKLab	oklab(49.81% -0.0666 -0.0492)
OKLCH	oklch(49.81% 0.083 216.5)
XYZ	xyz(9.8459, 12.8950, 22.7347)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#156E81 #812815

analogous

#15815E #156E81 #153881

triadic

#156E81 #81156E #6E8115

tetradic

#156E81 #5E1581 #812815 #388115

square

#156E81 #5E1581 #812815 #388115

split-complementary

#156E81 #811538 #815E15

monochromatic

#04161A #0C414C #156E81 #1E9BB6 #33C0DE

Accessibility & contrast

On white

5.87

#156E81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#156E81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #156E81

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##156E81	#FFFFFF	#000000	##FFFFFF
##156E81	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616A82

Deuteranopia (green-blind)

#536081

Tritanopia (blue-blind)

#007574

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #156e81;
/* rgb */ color: rgb(21, 110, 129);
/* oklch */ color: oklch(49.8% 0.083 216.5);

Tailwind

colors: {
  custom: {
    50: '#6897a5',
    500: '#156e81',
    950: '#000000',
  },
}

SCSS

$custom: #156e81;
$custom-light: #6897a5;
$custom-dark: #000000;

JSON

{
  "hex": "#156e81",
  "rgb": {
    "r": 21,
    "g": 110,
    "b": 129
  },
  "hsl": {
    "h": 190.556,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.49809,
    "c": 0.08283,
    "h": 216.5
  },
  "luminance": 0.12896
}

Semantic roles & 50–950 ramp

primary

#156E81

secondary

#B6513C

accent

#5939EF

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #156E81

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

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