#155A7F#155A7F

#155A7F is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.5% C 0.089 H 237.9°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#155A7F
RGB	rgb(21, 90, 127)
HSL	hsl(201, 72%, 29%)
HSV	hsv(201, 83%, 50%)
CMYK	cmyk(83.5%, 29.1%, 0%, 50.2%)
CIE-LAB	lab(35.99, -6.86, -26.65)
CIE-LCH	lch(35.99, 27.52, 255.56°)
OKLab	oklab(44.49% -0.0472 -0.0754)
OKLCH	oklch(44.49% 0.089 237.9)
XYZ	xyz(7.7947, 9.0031, 21.4015)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A7F #7F3A15

analogous

#157F6F #155A7F #15257F

triadic

#155A7F #7F155A #5A7F15

tetradic

#155A7F #6F157F #7F3A15 #257F15

square

#155A7F #6F157F #7F3A15 #257F15

split-complementary

#155A7F #7F1525 #7F6F15

monochromatic

#04131A #0C354A #155A7F #1E7FB4 #31A1DD

Accessibility & contrast

On white

7.50

#155A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#155A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A7F

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A7F	#FFFFFF	#000000	##FFFFFF
##155A7F	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485A81

Deuteranopia (green-blind)

#3A507E

Tritanopia (blue-blind)

#006367

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155a7f;
/* rgb */ color: rgb(21, 90, 127);
/* oklch */ color: oklch(44.5% 0.089 237.9);

Tailwind

colors: {
  custom: {
    50: '#6688a4',
    500: '#155a7f',
    950: '#000000',
  },
}

SCSS

$custom: #155a7f;
$custom-light: #6688a4;
$custom-dark: #000000;

JSON

{
  "hex": "#155a7f",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 127
  },
  "hsl": {
    "h": 200.943,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.44485,
    "c": 0.08897,
    "h": 237.9
  },
  "luminance": 0.09004
}

Semantic roles & 50–950 ramp

primary

#155A7F

secondary

#B4663C

accent

#7939EE

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #155A7F

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

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