#1C497B#1C497B

#1C497B is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.1% C 0.098 H 253.4°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX#1C497B
RGBrgb(28, 73, 123)
HSLhsl(212, 63%, 30%)
HSVhsv(212, 77%, 48%)
CMYKcmyk(77.2%, 40.7%, 0%, 51.8%)
CIE-LABlab(30.50, 3.36, -32.83)
CIE-LCHlch(30.50, 33.00, 275.84°)
OKLaboklab(40.14% -0.0279 -0.0936)
OKLCHoklch(40.14% 0.098 253.4)
XYZxyz(6.4353, 6.4413, 19.6392)
Luminance0.0644 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C497B #7B4E1C
analogous
#1C797B #1C497B #1F1C7B
triadic
#1C497B #7B1C49 #497B1C
tetradic
#1C497B #7B1C79 #7B4E1C #1C7B1F
square
#1C497B #7B1C79 #7B4E1C #1C7B1F
split-complementary
#1C497B #7B1F1C #797B1C
monochromatic
#060F19 #112B49 #1C497B #2767AD #3E85D3

Accessibility & contrast

On white

9.18
#1C497B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.29
#1C497B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C497B
9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C497B#FFFFFF#000000##FFFFFF
##1C497B1.009.182.299.18
#FFFFFF9.181.0021.001.00
#0000002.2921.001.0021.00
##FFFFFF9.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#324D7D
Deuteranopia (green-blind)
#23447A
Tritanopia (blue-blind)
#00555C
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #1c497b;
/* rgb */ color: rgb(28, 73, 123);
/* oklch */ color: oklch(40.1% 0.098 253.4);
Tailwind
colors: {
  custom: {
    50: '#667ba1',
    500: '#1c497b',
    950: '#000000',
  },
}
SCSS
$custom: #1c497b;
$custom-light: #667ba1;
$custom-dark: #000000;
JSON
{
  "hex": "#1c497b",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 123
  },
  "hsl": {
    "h": 211.579,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4014,
    "c": 0.09771,
    "h": 253.4
  },
  "luminance": 0.06442
}

Semantic roles & 50–950 ramp

primary
#1C497B
secondary
#AF7C44
accent
#9842E6
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#07090F
muted
#7A7B7E

Preview Lab

Preview with #1C497B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C497B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva