#1C4F7A#1C4F7A

#1C4F7A is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.090 H 247.6°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX#1C4F7A
RGBrgb(28, 79, 122)
HSLhsl(207, 63%, 29%)
HSVhsv(207, 77%, 48%)
CMYKcmyk(77%, 35.2%, 0%, 52.2%)
CIE-LABlab(32.35, -0.99, -29.27)
CIE-LCHlch(32.35, 29.28, 268.05°)
OKLaboklab(41.58% -0.0342 -0.0831)
OKLCHoklch(41.58% 0.09 247.6)
XYZxyz(6.7864, 7.2432, 19.4490)
Luminance0.0724 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4F7A #7A471C
analogous
#1C7A76 #1C4F7A #1C207A
triadic
#1C4F7A #7A1C4F #4F7A1C
tetradic
#1C4F7A #761C7A #7A471C #207A1C
square
#1C4F7A #761C7A #7A471C #207A1C
split-complementary
#1C4F7A #7A1C20 #7A761C
monochromatic
#061019 #112F48 #1C4F7A #276FAC #3E8FD3

Accessibility & contrast

On white

8.58
#1C4F7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#1C4F7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F7A
8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4F7A#FFFFFF#000000##FFFFFF
##1C4F7A1.008.582.458.58
#FFFFFF8.581.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B517C
Deuteranopia (green-blind)
#2E4879
Tritanopia (blue-blind)
#00595F
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #1c4f7a;
/* rgb */ color: rgb(28, 79, 122);
/* oklch */ color: oklch(41.6% 0.090 247.6);
Tailwind
colors: {
  custom: {
    50: '#6680a0',
    500: '#1c4f7a',
    950: '#000000',
  },
}
SCSS
$custom: #1c4f7a;
$custom-light: #6680a0;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4f7a",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 122
  },
  "hsl": {
    "h": 207.447,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.41575,
    "c": 0.08988,
    "h": 247.6
  },
  "luminance": 0.07244
}

Semantic roles & 50–950 ramp

primary
#1C4F7A
secondary
#AE7444
accent
#8D42E6
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#070A0F
muted
#7A7C7E

Preview Lab

Preview with #1C4F7A

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4F7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva