#155C6E#155C6E

#155C6E is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.1% C 0.072 H 219.2°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#155C6E
RGB	rgb(21, 92, 110)
HSL	hsl(192, 68%, 26%)
HSV	hsv(192, 81%, 43%)
CMYK	cmyk(80.9%, 16.4%, 0%, 56.9%)
CIE-LAB	lab(35.87, -14.48, -16.35)
CIE-LCH	lch(35.87, 21.84, 228.47°)
OKLab	oklab(44.13% -0.056 -0.0457)
OKLCH	oklch(44.13% 0.072 219.2)
XYZ	xyz(6.9497, 8.9387, 16.1079)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C6E #6E2715

analogous

#156E53 #155C6E #152F6E

triadic

#155C6E #6E155C #5C6E15

tetradic

#155C6E #53156E #6E2715 #2F6E15

square

#155C6E #53156E #6E2715 #2F6E15

split-complementary

#155C6E #6E152F #6E5315

monochromatic

#05151A #0B313B #155C6E #1F87A1 #29B2D5

Accessibility & contrast

On white

7.53

#155C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#155C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C6E

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C6E	#FFFFFF	#000000	##FFFFFF
##155C6E	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51596F

Deuteranopia (green-blind)

#45516E

Tritanopia (blue-blind)

#006262

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155c6e;
/* rgb */ color: rgb(21, 92, 110);
/* oklch */ color: oklch(44.1% 0.072 219.2);

Tailwind

colors: {
  custom: {
    50: '#638a97',
    500: '#155c6e',
    950: '#000000',
  },
}

SCSS

$custom: #155c6e;
$custom-light: #638a97;
$custom-dark: #000000;

JSON

{
  "hex": "#155c6e",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 110
  },
  "hsl": {
    "h": 192.135,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.44127,
    "c": 0.07232,
    "h": 219.2
  },
  "luminance": 0.0894
}

Semantic roles & 50–950 ramp

primary

#155C6E

secondary

#A4503A

accent

#603DEB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #155C6E

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

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