#15538D#15538D

#15538D is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.6% C 0.113 H 251.2°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX#15538D
RGBrgb(21, 83, 141)
HSLhsl(209, 74%, 32%)
HSVhsv(209, 85%, 55%)
CMYKcmyk(85.1%, 41.1%, 0%, 44.7%)
CIE-LABlab(34.53, 3.19, -37.52)
CIE-LCHlch(34.53, 37.65, 274.85°)
OKLaboklab(43.59% -0.0365 -0.1073)
OKLCHoklch(43.59% 0.113 251.2)
XYZxyz(8.2084, 8.2680, 26.3574)
Luminance0.0827 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15538D #8D4F15
analogous
#158D8B #15538D #15178D
triadic
#15538D #8D1553 #538D15
tetradic
#15538D #8B158D #8D4F15 #178D15
square
#15538D #8B158D #8D4F15 #178D15
split-complementary
#15538D #8D1517 #8D8B15
monochromatic
#051422 #0D3458 #15538D #1D72C2 #3B91E2

Accessibility & contrast

On white

7.91
#15538D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#15538D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15538D
7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15538D#FFFFFF#000000##FFFFFF
##15538D1.007.912.657.91
#FFFFFF7.911.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#37578F
Deuteranopia (green-blind)
#234C8C
Tritanopia (blue-blind)
#006169
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #15538d;
/* rgb */ color: rgb(21, 83, 141);
/* oklch */ color: oklch(43.6% 0.113 251.2);
Tailwind
colors: {
  custom: {
    50: '#6982af',
    500: '#15538d',
    950: '#000000',
  },
}
SCSS
$custom: #15538d;
$custom-light: #6982af;
$custom-dark: #000000;
JSON
{
  "hex": "#15538d",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 209,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4359,
    "c": 0.11331,
    "h": 251.2
  },
  "luminance": 0.08269
}

Semantic roles & 50–950 ramp

primary
#15538D
secondary
#C17D3D
accent
#9137F1
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #15538D

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

Preview Lab → · Contrast checker → · Palette generator →

#15538D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva