#155F71#155F71

#155F71 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.1% C 0.074 H 218.5°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#155F71
RGB	rgb(21, 95, 113)
HSL	hsl(192, 69%, 26%)
HSV	hsv(192, 81%, 44%)
CMYK	cmyk(81.4%, 15.9%, 0%, 55.7%)
CIE-LAB	lab(36.99, -15.11, -16.47)
CIE-LCH	lch(36.99, 22.35, 227.47°)
OKLab	oklab(45.08% -0.0579 -0.0461)
OKLCH	oklch(45.08% 0.074 218.5)
XYZ	xyz(7.3808, 9.5352, 17.0711)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F71 #712715

analogous

#157155 #155F71 #153171

triadic

#155F71 #71155F #5F7115

tetradic

#155F71 #551571 #712715 #317115

square

#155F71 #551571 #712715 #317115

split-complementary

#155F71 #711531 #715515

monochromatic

#05161A #0B343D #155F71 #1F8AA5 #29B5D7

Accessibility & contrast

On white

7.22

#155F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#155F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F71

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F71	#FFFFFF	#000000	##FFFFFF
##155F71	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545C72

Deuteranopia (green-blind)

#475371

Tritanopia (blue-blind)

#006565

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155f71;
/* rgb */ color: rgb(21, 95, 113);
/* oklch */ color: oklch(45.1% 0.074 218.5);

Tailwind

colors: {
  custom: {
    50: '#638c99',
    500: '#155f71',
    950: '#000000',
  },
}

SCSS

$custom: #155f71;
$custom-light: #638c99;
$custom-dark: #000000;

JSON

{
  "hex": "#155f71",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 113
  },
  "hsl": {
    "h": 191.739,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.45076,
    "c": 0.07401,
    "h": 218.5
  },
  "luminance": 0.09536
}

Semantic roles & 50–950 ramp

primary

#155F71

secondary

#A7503B

accent

#5F3CEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155F71

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

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