#155C7C#155C7C

#155C7C is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.8% C 0.084 H 233.4°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#155C7C
RGB	rgb(21, 92, 124)
HSL	hsl(199, 71%, 28%)
HSV	hsv(199, 83%, 49%)
CMYK	cmyk(83.1%, 25.8%, 0%, 51.4%)
CIE-LAB	lab(36.50, -9.24, -24.02)
CIE-LCH	lch(36.50, 25.73, 248.95°)
OKLab	oklab(44.84% -0.0503 -0.0677)
OKLCH	oklch(44.84% 0.084 233.4)
XYZ	xyz(7.7730, 9.2680, 20.4441)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C7C #7C3515

analogous

#157C68 #155C7C #15287C

triadic

#155C7C #7C155C #5C7C15

tetradic

#155C7C #68157C #7C3515 #287C15

square

#155C7C #68157C #7C3515 #287C15

split-complementary

#155C7C #7C1528 #7C6815

monochromatic

#04131A #0C3548 #155C7C #1E83B0 #30A6DC

Accessibility & contrast

On white

7.36

#155C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#155C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C7C

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C7C	#FFFFFF	#000000	##FFFFFF
##155C7C	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5B7E

Deuteranopia (green-blind)

#3E527B

Tritanopia (blue-blind)

#006467

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #155c7c;
/* rgb */ color: rgb(21, 92, 124);
/* oklch */ color: oklch(44.8% 0.084 233.4);

Tailwind

colors: {
  custom: {
    50: '#658aa2',
    500: '#155c7c',
    950: '#000000',
  },
}

SCSS

$custom: #155c7c;
$custom-light: #658aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#155c7c",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 124
  },
  "hsl": {
    "h": 198.641,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.44838,
    "c": 0.0844,
    "h": 233.4
  },
  "luminance": 0.09269
}

Semantic roles & 50–950 ramp

primary

#155C7C

secondary

#B1603C

accent

#723AEE

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #155C7C

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

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