#15515F#15515F

#15515F is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.4% C 0.063 H 216.9°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX#15515F
RGBrgb(21, 81, 95)
HSLhsl(191, 64%, 23%)
HSVhsv(191, 78%, 37%)
CMYKcmyk(77.9%, 14.7%, 0%, 62.7%)
CIE-LABlab(31.51, -13.56, -13.63)
CIE-LCHlch(31.51, 19.23, 225.15°)
OKLaboklab(40.41% -0.0506 -0.038)
OKLCHoklch(40.41% 0.063 216.9)
XYZxyz(5.3164, 6.8699, 11.8701)
Luminance0.0687 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15515F #5F2315
analogous
#155F48 #15515F #152C5F
triadic
#15515F #5F1551 #515F15
tetradic
#15515F #48155F #5F2315 #2C5F15
square
#15515F #48155F #5F2315 #2C5F15
split-complementary
#15515F #5F152C #5F4815
monochromatic
#061519 #0A262D #15515F #207C91 #2BA6C3

Accessibility & contrast

On white

8.85
#15515F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#15515F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15515F
8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15515F#FFFFFF#000000##FFFFFF
##15515F1.008.852.378.85
#FFFFFF8.851.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#484E60
Deuteranopia (green-blind)
#3E475F
Tritanopia (blue-blind)
#005655
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #15515f;
/* rgb */ color: rgb(21, 81, 95);
/* oklch */ color: oklch(40.4% 0.063 216.9);
Tailwind
colors: {
  custom: {
    50: '#5f828c',
    500: '#15515f',
    950: '#000000',
  },
}
SCSS
$custom: #15515f;
$custom-light: #5f828c;
$custom-dark: #000000;
JSON
{
  "hex": "#15515f",
  "rgb": {
    "r": 21,
    "g": 81,
    "b": 95
  },
  "hsl": {
    "h": 191.351,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.40414,
    "c": 0.06329,
    "h": 216.9
  },
  "luminance": 0.06871
}

Semantic roles & 50–950 ramp

primary
#15515F
secondary
#964B3A
accent
#6041E7
background
#F5F7F8
surface
#EAEEF0
border
#C6C9CB
text
#050A0C
muted
#797C7D

Preview Lab

Preview with #15515F

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

Preview Lab → · Contrast checker → · Palette generator →

#15515F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva