#155B70#155B70

#155B70 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.0% C 0.074 H 222.9°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#155B70
RGB	rgb(21, 91, 112)
HSL	hsl(194, 68%, 26%)
HSV	hsv(194, 81%, 44%)
CMYK	cmyk(81.2%, 18.7%, 0%, 56.1%)
CIE-LAB	lab(35.62, -13.17, -17.97)
CIE-LCH	lch(35.62, 22.28, 233.78°)
OKLab	oklab(43.96% -0.0541 -0.0504)
OKLCH	oklch(43.96% 0.074 222.9)
XYZ	xyz(6.9738, 8.8106, 16.6592)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B70 #702A15

analogous

#157057 #155B70 #152D70

triadic

#155B70 #70155B #5B7015

tetradic

#155B70 #571570 #702A15 #2D7015

square

#155B70 #571570 #702A15 #2D7015

split-complementary

#155B70 #70152D #705715

monochromatic

#05151A #0B313C #155B70 #1F85A4 #29AFD7

Accessibility & contrast

On white

7.60

#155B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#155B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B70

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B70	#FFFFFF	#000000	##FFFFFF
##155B70	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5971

Deuteranopia (green-blind)

#435070

Tritanopia (blue-blind)

#006162

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155b70;
/* rgb */ color: rgb(21, 91, 112);
/* oklch */ color: oklch(44.0% 0.074 222.9);

Tailwind

colors: {
  custom: {
    50: '#638999',
    500: '#155b70',
    950: '#000000',
  },
}

SCSS

$custom: #155b70;
$custom-light: #638999;
$custom-dark: #000000;

JSON

{
  "hex": "#155b70",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 112
  },
  "hsl": {
    "h": 193.846,
    "s": 68.421,
    "l": 26.078
  },
  "oklch": {
    "l": 0.43955,
    "c": 0.07392,
    "h": 222.9
  },
  "luminance": 0.08811
}

Semantic roles & 50–950 ramp

primary

#155B70

secondary

#A6533B

accent

#653DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155B70

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

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