#1C4971#1C4971

#1C4971 is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.5% C 0.084 H 248.5°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX#1C4971
RGBrgb(28, 73, 113)
HSLhsl(208, 60%, 28%)
HSVhsv(208, 75%, 44%)
CMYKcmyk(75.2%, 35.4%, 0%, 55.7%)
CIE-LABlab(29.92, -0.62, -27.47)
CIE-LCHlch(29.92, 27.48, 268.70°)
OKLaboklab(39.5% -0.0307 -0.078)
OKLCHoklch(39.5% 0.084 248.5)
XYZxyz(5.8409, 6.2036, 16.5092)
Luminance0.0620 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4971 #71441C
analogous
#1C716E #1C4971 #1C1F71
triadic
#1C4971 #711C49 #49711C
tetradic
#1C4971 #6E1C71 #71441C #1F711C
square
#1C4971 #6E1C71 #71441C #1F711C
split-complementary
#1C4971 #711C1F #716E1C
monochromatic
#061019 #102940 #1C4971 #2869A2 #3988CE

Accessibility & contrast

On white

9.37
#1C4971 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.24
#1C4971 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4971
9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4971#FFFFFF#000000##FFFFFF
##1C49711.009.372.249.37
#FFFFFF9.371.0021.001.00
#0000002.2421.001.0021.00
##FFFFFF9.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#374B73
Deuteranopia (green-blind)
#2B4370
Tritanopia (blue-blind)
#005357
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #1c4971;
/* rgb */ color: rgb(28, 73, 113);
/* oklch */ color: oklch(39.5% 0.084 248.5);
Tailwind
colors: {
  custom: {
    50: '#647b9a',
    500: '#1c4971',
    950: '#000000',
  },
}
SCSS
$custom: #1c4971;
$custom-light: #647b9a;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4971",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 113
  },
  "hsl": {
    "h": 208.235,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39498,
    "c": 0.08381,
    "h": 248.5
  },
  "luminance": 0.06204
}

Semantic roles & 50–950 ramp

primary
#1C4971
secondary
#A67243
accent
#8F44E3
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06090E
muted
#7A7B7E

Preview Lab

Preview with #1C4971

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4971 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva