#15404F#15404F

#15404F is a dark, muted cyan. Relative luminance 0.044; OKLCH L 34.9% C 0.053 H 224.7°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX#15404F
RGBrgb(21, 64, 79)
HSLhsl(196, 58%, 20%)
HSVhsv(196, 73%, 31%)
CMYKcmyk(73.4%, 19%, 0%, 69%)
CIE-LABlab(24.92, -9.20, -13.41)
CIE-LCHlch(24.92, 16.26, 235.54°)
OKLaboklab(34.9% -0.0379 -0.0374)
OKLCHoklch(34.9% 0.053 224.7)
XYZxyz(3.5534, 4.3903, 8.0558)
Luminance0.0439 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15404F #4F2415
analogous
#154F41 #15404F #15234F
triadic
#15404F #4F1540 #404F15
tetradic
#15404F #41154F #4F2415 #234F15
square
#15404F #41154F #4F2415 #234F15
split-complementary
#15404F #4F1523 #4F4115
monochromatic
#061418 #08191F #15404F #22677F #2F8EB0

Accessibility & contrast

On white

11.18
#15404F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#15404F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15404F
11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15404F#FFFFFF#000000##FFFFFF
##15404F1.0011.181.8811.18
#FFFFFF11.181.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383E50
Deuteranopia (green-blind)
#30394F
Tritanopia (blue-blind)
#004545
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #15404f;
/* rgb */ color: rgb(21, 64, 79);
/* oklch */ color: oklch(34.9% 0.053 224.7);
Tailwind
colors: {
  custom: {
    50: '#5b7480',
    500: '#15404f',
    950: '#000000',
  },
}
SCSS
$custom: #15404f;
$custom-light: #5b7480;
$custom-dark: #000000;
JSON
{
  "hex": "#15404f",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 79
  },
  "hsl": {
    "h": 195.517,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34899,
    "c": 0.05328,
    "h": 224.7
  },
  "luminance": 0.04391
}

Semantic roles & 50–950 ramp

primary
#15404F
secondary
#874D39
accent
#6F47E1
background
#F5F7F7
surface
#E9EDEE
border
#C5C8C9
text
#04080A
muted
#797B7C

Preview Lab

Preview with #15404F

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

Preview Lab → · Contrast checker → · Palette generator →

#15404F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva