#1C537A#1C537A

#1C537A is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.6% C 0.086 H 243.6°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#1C537A
RGBrgb(28, 83, 122)
HSLhsl(205, 63%, 29%)
HSVhsv(205, 77%, 48%)
CMYKcmyk(77%, 32%, 0%, 52.2%)
CIE-LABlab(33.64, -3.56, -27.24)
CIE-LCHlch(33.64, 27.47, 262.55°)
OKLaboklab(42.59% -0.0383 -0.0771)
OKLCHoklch(42.59% 0.086 243.6)
XYZxyz(7.0836, 7.8377, 19.5481)
Luminance0.0784 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C537A #7A431C
analogous
#1C7A72 #1C537A #1C247A
triadic
#1C537A #7A1C53 #537A1C
tetradic
#1C537A #721C7A #7A431C #247A1C
square
#1C537A #721C7A #7A431C #247A1C
split-complementary
#1C537A #7A1C24 #7A721C
monochromatic
#061119 #113148 #1C537A #2775AC #3E95D3

Accessibility & contrast

On white

8.18
#1C537A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.57
#1C537A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C537A
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C537A#FFFFFF#000000##FFFFFF
##1C537A1.008.182.578.18
#FFFFFF8.181.0021.001.00
#0000002.5721.001.0021.00
##FFFFFF8.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#41547C
Deuteranopia (green-blind)
#344B79
Tritanopia (blue-blind)
#005D61
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1c537a;
/* rgb */ color: rgb(28, 83, 122);
/* oklch */ color: oklch(42.6% 0.086 243.6);
Tailwind
colors: {
  custom: {
    50: '#6683a0',
    500: '#1c537a',
    950: '#000000',
  },
}
SCSS
$custom: #1c537a;
$custom-light: #6683a0;
$custom-dark: #000000;
JSON
{
  "hex": "#1c537a",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 204.894,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.4259,
    "c": 0.08614,
    "h": 243.6
  },
  "luminance": 0.07839
}

Semantic roles & 50–950 ramp

primary
#1C537A
secondary
#AE7044
accent
#8642E6
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#070A0F
muted
#7A7C7E

Preview Lab

Preview with #1C537A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C537A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva