#1C5283#1C5283

#1C5283 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.9% C 0.099 H 249.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX#1C5283
RGBrgb(28, 82, 131)
HSLhsl(209, 65%, 31%)
HSVhsv(209, 79%, 51%)
CMYKcmyk(78.6%, 37.4%, 0%, 48.6%)
CIE-LABlab(33.81, 0.61, -32.52)
CIE-LCHlch(33.81, 32.53, 271.07°)
OKLaboklab(42.89% -0.0345 -0.0926)
OKLCHoklch(42.89% 0.099 249.5)
XYZxyz(7.5914, 7.9193, 22.5968)
Luminance0.0792 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5283 #834D1C
analogous
#1C8380 #1C5283 #1C1E83
triadic
#1C5283 #831C52 #52831C
tetradic
#1C5283 #801C83 #834D1C #1E831C
square
#1C5283 #801C83 #834D1C #1E831C
split-complementary
#1C5283 #831C1E #83801C
monochromatic
#06131E #113251 #1C5283 #2772B5 #4390D7

Accessibility & contrast

On white

8.13
#1C5283 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#1C5283 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C5283
8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5283#FFFFFF#000000##FFFFFF
##1C52831.008.132.588.13
#FFFFFF8.131.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B5585
Deuteranopia (green-blind)
#2C4B82
Tritanopia (blue-blind)
#005E64
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1c5283;
/* rgb */ color: rgb(28, 82, 131);
/* oklch */ color: oklch(42.9% 0.099 249.5);
Tailwind
colors: {
  custom: {
    50: '#6882a7',
    500: '#1c5283',
    950: '#000000',
  },
}
SCSS
$custom: #1c5283;
$custom-light: #6882a7;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5283",
  "rgb": {
    "r": 28,
    "g": 82,
    "b": 131
  },
  "hsl": {
    "h": 208.544,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42886,
    "c": 0.09884,
    "h": 249.5
  },
  "luminance": 0.0792
}

Semantic roles & 50–950 ramp

primary
#1C5283
secondary
#B67B45
accent
#9040E8
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1C5283

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5283 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva