#155A68#155A68

#155A68 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.3% C 0.069 H 214.7°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#155A68
RGB	rgb(21, 90, 104)
HSL	hsl(190, 66%, 25%)
HSV	hsv(190, 80%, 41%)
CMYK	cmyk(79.8%, 13.5%, 0%, 59.2%)
CIE-LAB	lab(34.94, -15.51, -14.04)
CIE-LCH	lch(34.94, 20.91, 222.15°)
OKLab	oklab(43.3% -0.0565 -0.0391)
OKLCH	oklch(43.3% 0.069 214.7)
XYZ	xyz(6.4630, 8.4705, 14.3884)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A68 #682315

analogous

#15684C #155A68 #153168

triadic

#155A68 #68155A #5A6815

tetradic

#155A68 #4C1568 #682315 #316815

square

#155A68 #4C1568 #682315 #316815

split-complementary

#155A68 #681531 #684C15

monochromatic

#051619 #0B2E35 #155A68 #1F869B #2AB2CE

Accessibility & contrast

On white

7.79

#155A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#155A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A68

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A68	#FFFFFF	#000000	##FFFFFF
##155A68	1.00	7.79	2.69	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505769

Deuteranopia (green-blind)

#454F68

Tritanopia (blue-blind)

#005F5E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155a68;
/* rgb */ color: rgb(21, 90, 104);
/* oklch */ color: oklch(43.3% 0.069 214.7);

Tailwind

colors: {
  custom: {
    50: '#618893',
    500: '#155a68',
    950: '#000000',
  },
}

SCSS

$custom: #155a68;
$custom-light: #618893;
$custom-dark: #000000;

JSON

{
  "hex": "#155a68",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 104
  },
  "hsl": {
    "h": 190.12,
    "s": 66.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.43302,
    "c": 0.06875,
    "h": 214.7
  },
  "luminance": 0.08471
}

Semantic roles & 50–950 ramp

primary

#155A68

secondary

#9F4B3A

accent

#5B3EE9

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155A68

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

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