#155A71#155A71

#155A71 is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 43.7% C 0.075 H 225.4°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#155A71
RGB	rgb(21, 90, 113)
HSL	hsl(195, 69%, 26%)
HSV	hsv(195, 81%, 44%)
CMYK	cmyk(81.4%, 20.4%, 0%, 55.7%)
CIE-LAB	lab(35.33, -12.21, -19.04)
CIE-LCH	lch(35.33, 22.62, 237.33°)
OKLab	oklab(43.74% -0.0526 -0.0534)
OKLCH	oklch(43.74% 0.075 225.4)
XYZ	xyz(6.9448, 8.6632, 16.9257)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A71 #712C15

analogous

#15715A #155A71 #152C71

triadic

#155A71 #71155A #5A7115

tetradic

#155A71 #5A1571 #712C15 #2C7115

square

#155A71 #5A1571 #712C15 #2C7115

split-complementary

#155A71 #71152C #715A15

monochromatic

#05151A #0B313D #155A71 #1F83A5 #29ACD7

Accessibility & contrast

On white

7.68

#155A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#155A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A71

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A71	#FFFFFF	#000000	##FFFFFF
##155A71	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5872

Deuteranopia (green-blind)

#414F71

Tritanopia (blue-blind)

#006162

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155a71;
/* rgb */ color: rgb(21, 90, 113);
/* oklch */ color: oklch(43.7% 0.075 225.4);

Tailwind

colors: {
  custom: {
    50: '#63889a',
    500: '#155a71',
    950: '#000000',
  },
}

SCSS

$custom: #155a71;
$custom-light: #63889a;
$custom-dark: #000000;

JSON

{
  "hex": "#155a71",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 113
  },
  "hsl": {
    "h": 195,
    "s": 68.657,
    "l": 26.275
  },
  "oklch": {
    "l": 0.43737,
    "c": 0.07499,
    "h": 225.4
  },
  "luminance": 0.08664
}

Semantic roles & 50–950 ramp

primary

#155A71

secondary

#A7563B

accent

#683CEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0E

muted

#7A7C7E

Preview Lab

Preview with #155A71

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

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