#155E75#155E75

#155E75 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.0% C 0.077 H 224.3°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#155E75
RGB	rgb(21, 94, 117)
HSL	hsl(194, 70%, 27%)
HSV	hsv(194, 82%, 46%)
CMYK	cmyk(82.1%, 19.7%, 0%, 54.1%)
CIE-LAB	lab(36.83, -13.07, -19.19)
CIE-LCH	lch(36.83, 23.21, 235.74°)
OKLab	oklab(45% -0.0552 -0.0538)
OKLCH	oklch(45% 0.077 224.3)
XYZ	xyz(7.5215, 9.4483, 18.2535)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E75 #752C15

analogous

#15755C #155E75 #152E75

triadic

#155E75 #75155E #5E7515

tetradic

#155E75 #5C1575 #752C15 #2E7515

square

#155E75 #5C1575 #752C15 #2E7515

split-complementary

#155E75 #75152E #755C15

monochromatic

#05151A #0C3441 #155E75 #1E88A9 #2BAFD9

Accessibility & contrast

On white

7.27

#155E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#155E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E75

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E75	#FFFFFF	#000000	##FFFFFF
##155E75	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515C76

Deuteranopia (green-blind)

#445375

Tritanopia (blue-blind)

#006565

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #155e75;
/* rgb */ color: rgb(21, 94, 117);
/* oklch */ color: oklch(45.0% 0.077 224.3);

Tailwind

colors: {
  custom: {
    50: '#648b9c',
    500: '#155e75',
    950: '#000000',
  },
}

SCSS

$custom: #155e75;
$custom-light: #648b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#155e75",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 117
  },
  "hsl": {
    "h": 194.375,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.45003,
    "c": 0.07707,
    "h": 224.3
  },
  "luminance": 0.09449
}

Semantic roles & 50–950 ramp

primary

#155E75

secondary

#AB563B

accent

#663BEC

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #155E75

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

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