#155C70#155C70

#155C70 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.2% C 0.074 H 221.5°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#155C70
RGB	rgb(21, 92, 112)
HSL	hsl(193, 68%, 26%)
HSV	hsv(193, 81%, 44%)
CMYK	cmyk(81.2%, 17.9%, 0%, 56.1%)
CIE-LAB	lab(35.95, -13.75, -17.46)
CIE-LCH	lch(35.95, 22.22, 231.78°)
OKLab	oklab(44.22% -0.0552 -0.0489)
OKLCH	oklch(44.22% 0.074 221.5)
XYZ	xyz(7.0598, 8.9827, 16.6878)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C70 #702915

analogous

#157056 #155C70 #152E70

triadic

#155C70 #70155C #5C7015

tetradic

#155C70 #561570 #702915 #2E7015

square

#155C70 #561570 #702915 #2E7015

split-complementary

#155C70 #70152E #705615

monochromatic

#05151A #0B323C #155C70 #1F86A4 #29B1D7

Accessibility & contrast

On white

7.51

#155C70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#155C70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C70

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C70	#FFFFFF	#000000	##FFFFFF
##155C70	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505A71

Deuteranopia (green-blind)

#445170

Tritanopia (blue-blind)

#006262

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155c70;
/* rgb */ color: rgb(21, 92, 112);
/* oklch */ color: oklch(44.2% 0.074 221.5);

Tailwind

colors: {
  custom: {
    50: '#638a99',
    500: '#155c70',
    950: '#000000',
  },
}

SCSS

$custom: #155c70;
$custom-light: #638a99;
$custom-dark: #000000;

JSON

{
  "hex": "#155c70",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 112
  },
  "hsl": {
    "h": 193.187,
    "s": 68.421,
    "l": 26.078
  },
  "oklch": {
    "l": 0.44223,
    "c": 0.07372,
    "h": 221.5
  },
  "luminance": 0.08984
}

Semantic roles & 50–950 ramp

primary

#155C70

secondary

#A6523B

accent

#633DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155C70

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

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