#1C538D#1C538D

#1C538D is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.111 H 252.8°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#1C538D
RGBrgb(28, 83, 141)
HSLhsl(211, 67%, 33%)
HSVhsv(211, 80%, 55%)
CMYKcmyk(80.1%, 41.1%, 0%, 44.7%)
CIE-LABlab(34.71, 3.93, -37.22)
CIE-LCHlch(34.71, 37.43, 276.03°)
OKLaboklab(43.78% -0.0328 -0.1064)
OKLCHoklch(43.78% 0.111 252.8)
XYZxyz(8.3781, 8.3555, 26.3653)
Luminance0.0836 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C538D #8D561C
analogous
#1C8B8D #1C538D #1D1C8D
triadic
#1C538D #8D1C53 #538D1C
tetradic
#1C538D #8D1C8B #8D561C #1C8D1D
square
#1C538D #8D1C8B #8D561C #1C8D1D
split-complementary
#1C538D #8D1D1C #8B8D1C
monochromatic
#081727 #12355A #1C538D #2671C0 #4990DB

Accessibility & contrast

On white

7.86
#1C538D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#1C538D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C538D
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C538D#FFFFFF#000000##FFFFFF
##1C538D1.007.862.677.86
#FFFFFF7.861.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#37578F
Deuteranopia (green-blind)
#244D8C
Tritanopia (blue-blind)
#006169
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1c538d;
/* rgb */ color: rgb(28, 83, 141);
/* oklch */ color: oklch(43.8% 0.111 252.8);
Tailwind
colors: {
  custom: {
    50: '#6a82af',
    500: '#1c538d',
    950: '#000000',
  },
}
SCSS
$custom: #1c538d;
$custom-light: #6a82af;
$custom-dark: #000000;
JSON
{
  "hex": "#1c538d",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 210.796,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4378,
    "c": 0.11131,
    "h": 252.8
  },
  "luminance": 0.08356
}

Semantic roles & 50–950 ramp

primary
#1C538D
secondary
#BD8448
accent
#963EEA
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080A10
muted
#7A7C7F

Preview Lab

Preview with #1C538D

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

Preview Lab → · Contrast checker → · Palette generator →

#1C538D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva