#15577A#15577A

#15577A is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.4% C 0.086 H 237.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#15577A
RGBrgb(21, 87, 122)
HSLhsl(201, 71%, 28%)
HSVhsv(201, 83%, 48%)
CMYKcmyk(82.8%, 28.7%, 0%, 52.2%)
CIE-LABlab(34.76, -6.96, -25.49)
CIE-LCHlch(34.76, 26.42, 254.73°)
OKLaboklab(43.43% -0.046 -0.0721)
OKLCHoklch(43.43% 0.086 237.4)
XYZxyz(7.2289, 8.3801, 19.6451)
Luminance0.0838 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15577A #7A3815
analogous
#157A6A #15577A #15257A
triadic
#15577A #7A1557 #577A15
tetradic
#15577A #6A157A #7A3815 #257A15
square
#15577A #6A157A #7A3815 #257A15
split-complementary
#15577A #7A1525 #7A6A15
monochromatic
#04131A #0C3246 #15577A #1E7CAE #2E9FDB

Accessibility & contrast

On white

7.85
#15577A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#15577A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15577A
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15577A#FFFFFF#000000##FFFFFF
##15577A1.007.852.687.85
#FFFFFF7.851.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#46577C
Deuteranopia (green-blind)
#394E79
Tritanopia (blue-blind)
#006063
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #15577a;
/* rgb */ color: rgb(21, 87, 122);
/* oklch */ color: oklch(43.4% 0.086 237.4);
Tailwind
colors: {
  custom: {
    50: '#6486a0',
    500: '#15577a',
    950: '#000000',
  },
}
SCSS
$custom: #15577a;
$custom-light: #6486a0;
$custom-dark: #000000;
JSON
{
  "hex": "#15577a",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 122
  },
  "hsl": {
    "h": 200.792,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.43426,
    "c": 0.08553,
    "h": 237.4
  },
  "luminance": 0.08381
}

Semantic roles & 50–950 ramp

primary
#15577A
secondary
#AF643B
accent
#783AED
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060B0E
muted
#7A7C7E

Preview Lab

Preview with #15577A

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

Preview Lab → · Contrast checker → · Palette generator →

#15577A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva