#155A6C#155A6C

#155A6C is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.5% C 0.071 H 219.7°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#155A6C
RGB	rgb(21, 90, 108)
HSL	hsl(192, 67%, 25%)
HSV	hsv(192, 81%, 42%)
CMYK	cmyk(80.6%, 16.7%, 0%, 57.6%)
CIE-LAB	lab(35.11, -14.06, -16.27)
CIE-LCH	lch(35.11, 21.50, 229.18°)
OKLab	oklab(43.49% -0.0547 -0.0455)
OKLCH	oklch(43.49% 0.071 219.7)
XYZ	xyz(6.6711, 8.5537, 15.4839)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A6C #6C2715

analogous

#156C52 #155A6C #152E6C

triadic

#155A6C #6C155A #5A6C15

tetradic

#155A6C #52156C #6C2715 #2E6C15

square

#155A6C #52156C #6C2715 #2E6C15

split-complementary

#155A6C #6C152E #6C5215

monochromatic

#05151A #0B2F39 #155A6C #1F859F #29AFD2

Accessibility & contrast

On white

7.75

#155A6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#155A6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A6C

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A6C	#FFFFFF	#000000	##FFFFFF
##155A6C	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F576D

Deuteranopia (green-blind)

#434F6C

Tritanopia (blue-blind)

#006060

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155a6c;
/* rgb */ color: rgb(21, 90, 108);
/* oklch */ color: oklch(43.5% 0.071 219.7);

Tailwind

colors: {
  custom: {
    50: '#628896',
    500: '#155a6c',
    950: '#000000',
  },
}

SCSS

$custom: #155a6c;
$custom-light: #628896;
$custom-dark: #000000;

JSON

{
  "hex": "#155a6c",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 108
  },
  "hsl": {
    "h": 192.414,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43491,
    "c": 0.07119,
    "h": 219.7
  },
  "luminance": 0.08554
}

Semantic roles & 50–950 ramp

primary

#155A6C

secondary

#A3503A

accent

#613DEA

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155A6C

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

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