#15528F#15528F

#15528F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.117 H 252.6°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#15528F
RGBrgb(21, 82, 143)
HSLhsl(210, 74%, 32%)
HSVhsv(210, 85%, 56%)
CMYKcmyk(85.3%, 42.7%, 0%, 43.9%)
CIE-LABlab(34.35, 4.66, -39.04)
CIE-LCHlch(34.35, 39.31, 276.81°)
OKLaboklab(43.48% -0.0351 -0.1118)
OKLCHoklch(43.48% 0.117 252.6)
XYZxyz(8.2826, 8.1762, 27.1229)
Luminance0.0818 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15528F #8F5215
analogous
#158F8F #15528F #15158F
triadic
#15528F #8F1552 #528F15
tetradic
#15528F #8F158F #8F5215 #158F15
square
#15528F #8F158F #8F5215 #158F15
split-complementary
#15528F #8F1515 #8F8F15
monochromatic
#051524 #0D335A #15528F #1D71C4 #3C8FE2

Accessibility & contrast

On white

7.97
#15528F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#15528F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15528F
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15528F#FFFFFF#000000##FFFFFF
##15528F1.007.972.647.97
#FFFFFF7.971.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#335791
Deuteranopia (green-blind)
#1E4C8E
Tritanopia (blue-blind)
#006169
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #15528f;
/* rgb */ color: rgb(21, 82, 143);
/* oklch */ color: oklch(43.5% 0.117 252.6);
Tailwind
colors: {
  custom: {
    50: '#6982b0',
    500: '#15528f',
    950: '#000000',
  },
}
SCSS
$custom: #15528f;
$custom-light: #6982b0;
$custom-dark: #000000;
JSON
{
  "hex": "#15528f",
  "rgb": {
    "r": 21,
    "g": 82,
    "b": 143
  },
  "hsl": {
    "h": 210,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43483,
    "c": 0.11716,
    "h": 252.6
  },
  "luminance": 0.08177
}

Semantic roles & 50–950 ramp

primary
#15528F
secondary
#C2803E
accent
#9437F1
background
#F6F7FA
surface
#ECEEF5
border
#C7C9CF
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #15528F

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

Preview Lab → · Contrast checker → · Palette generator →

#15528F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva