#1C517C#1C517C

#1C517C is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.2% C 0.091 H 246.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX#1C517C
RGBrgb(28, 81, 124)
HSLhsl(207, 63%, 30%)
HSVhsv(207, 77%, 49%)
CMYKcmyk(77.4%, 34.7%, 0%, 51.4%)
CIE-LABlab(33.11, -1.50, -29.32)
CIE-LCHlch(33.11, 29.36, 267.07°)
OKLaboklab(42.2% -0.0356 -0.0832)
OKLCHoklch(42.2% 0.091 246.8)
XYZxyz(7.0580, 7.5862, 20.1572)
Luminance0.0759 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C517C #7C471C
analogous
#1C7C77 #1C517C #1C217C
triadic
#1C517C #7C1C51 #517C1C
tetradic
#1C517C #771C7C #7C471C #217C1C
square
#1C517C #771C7C #7C471C #217C1C
split-complementary
#1C517C #7C1C21 #7C771C
monochromatic
#061019 #11304A #1C517C #2772AE #3F91D4

Accessibility & contrast

On white

8.34
#1C517C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.52
#1C517C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C517C
8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C517C#FFFFFF#000000##FFFFFF
##1C517C1.008.342.528.34
#FFFFFF8.341.0021.001.00
#0000002.5221.001.0021.00
##FFFFFF8.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D537E
Deuteranopia (green-blind)
#304A7B
Tritanopia (blue-blind)
#005B60
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #1c517c;
/* rgb */ color: rgb(28, 81, 124);
/* oklch */ color: oklch(42.2% 0.091 246.8);
Tailwind
colors: {
  custom: {
    50: '#6781a2',
    500: '#1c517c',
    950: '#000000',
  },
}
SCSS
$custom: #1c517c;
$custom-light: #6781a2;
$custom-dark: #000000;
JSON
{
  "hex": "#1c517c",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 124
  },
  "hsl": {
    "h": 206.875,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.42202,
    "c": 0.09056,
    "h": 246.8
  },
  "luminance": 0.07587
}

Semantic roles & 50–950 ramp

primary
#1C517C
secondary
#B07444
accent
#8B42E6
background
#F6F7FA
surface
#EBEEF3
border
#C6C9CD
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1C517C

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

Preview Lab → · Contrast checker → · Palette generator →

#1C517C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva