#155D71#155D71

#155D71 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.5% C 0.074 H 221.3°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#155D71
RGB	rgb(21, 93, 113)
HSL	hsl(193, 69%, 26%)
HSV	hsv(193, 81%, 44%)
CMYK	cmyk(81.4%, 17.7%, 0%, 55.7%)
CIE-LAB	lab(36.33, -13.96, -17.50)
CIE-LCH	lch(36.33, 22.39, 231.42°)
OKLab	oklab(44.54% -0.0558 -0.049)
OKLCH	oklch(44.54% 0.074 221.3)
XYZ	xyz(7.2030, 9.1795, 17.0118)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D71 #712915

analogous

#157157 #155D71 #152F71

triadic

#155D71 #71155D #5D7115

tetradic

#155D71 #571571 #712915 #2F7115

square

#155D71 #571571 #712915 #2F7115

split-complementary

#155D71 #71152F #715715

monochromatic

#05151A #0B333D #155D71 #1F87A5 #29B1D7

Accessibility & contrast

On white

7.40

#155D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#155D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D71

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D71	#FFFFFF	#000000	##FFFFFF
##155D71	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515A72

Deuteranopia (green-blind)

#455271

Tritanopia (blue-blind)

#006363

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155d71;
/* rgb */ color: rgb(21, 93, 113);
/* oklch */ color: oklch(44.5% 0.074 221.3);

Tailwind

colors: {
  custom: {
    50: '#638b99',
    500: '#155d71',
    950: '#000000',
  },
}

SCSS

$custom: #155d71;
$custom-light: #638b99;
$custom-dark: #000000;

JSON

{
  "hex": "#155d71",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 113
  },
  "hsl": {
    "h": 193.043,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.4454,
    "c": 0.07426,
    "h": 221.3
  },
  "luminance": 0.0918
}

Semantic roles & 50–950 ramp

primary

#155D71

secondary

#A7523B

accent

#623CEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155D71

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

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