#155E71#155E71

#155E71 is a dark, moderate cyan. Relative luminance 0.094; OKLCH L 44.8% C 0.074 H 219.9°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#155E71
RGB	rgb(21, 94, 113)
HSL	hsl(192, 69%, 26%)
HSV	hsv(192, 81%, 44%)
CMYK	cmyk(81.4%, 16.8%, 0%, 55.7%)
CIE-LAB	lab(36.66, -14.54, -16.99)
CIE-LCH	lch(36.66, 22.36, 229.44°)
OKLab	oklab(44.81% -0.0569 -0.0475)
OKLCH	oklch(44.81% 0.074 219.9)
XYZ	xyz(7.2913, 9.3562, 17.0412)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E71 #712815

analogous

#157156 #155E71 #153071

triadic

#155E71 #71155E #5E7115

tetradic

#155E71 #561571 #712815 #307115

square

#155E71 #561571 #712815 #307115

split-complementary

#155E71 #711530 #715615

monochromatic

#05151A #0B333D #155E71 #1F89A5 #29B3D7

Accessibility & contrast

On white

7.31

#155E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#155E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E71

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E71	#FFFFFF	#000000	##FFFFFF
##155E71	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525B72

Deuteranopia (green-blind)

#465271

Tritanopia (blue-blind)

#006464

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155e71;
/* rgb */ color: rgb(21, 94, 113);
/* oklch */ color: oklch(44.8% 0.074 219.9);

Tailwind

colors: {
  custom: {
    50: '#638b99',
    500: '#155e71',
    950: '#000000',
  },
}

SCSS

$custom: #155e71;
$custom-light: #638b99;
$custom-dark: #000000;

JSON

{
  "hex": "#155e71",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 113
  },
  "hsl": {
    "h": 192.391,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.44808,
    "c": 0.07411,
    "h": 219.9
  },
  "luminance": 0.09357
}

Semantic roles & 50–950 ramp

primary

#155E71

secondary

#A7513B

accent

#603CEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155E71

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

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