#1C5AB0#1C5AB0

#1C5AB0 is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.9% C 0.151 H 257.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#1C5AB0
RGBrgb(28, 90, 176)
HSLhsl(215, 73%, 40%)
HSVhsv(215, 84%, 69%)
CMYKcmyk(84.1%, 48.9%, 0%, 31%)
CIE-LABlab(39.06, 13.30, -51.24)
CIE-LCHlch(39.06, 52.93, 284.55°)
OKLaboklab(47.87% -0.0315 -0.1474)
OKLCHoklch(47.87% 0.151 257.9)
XYZxyz(11.9686, 10.6923, 42.4989)
Luminance0.1069 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C5AB0 #B0721C
analogous
#1CA4B0 #1C5AB0 #281CB0
triadic
#1C5AB0 #B01C5A #5AB01C
tetradic
#1C5AB0 #B01CA4 #B0721C #1CB028
square
#1C5AB0 #B01CA4 #B0721C #1CB028
split-complementary
#1C5AB0 #B0281C #A4B01C
monochromatic
#0B2446 #143F7B #1C5AB0 #2C76DD #6198E6

Accessibility & contrast

On white

6.69
#1C5AB0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.14
#1C5AB0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5AB0
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C5AB0#FFFFFF#000000##FFFFFF
##1C5AB01.006.693.146.69
#FFFFFF6.691.0021.001.00
#0000003.1421.001.0021.00
##FFFFFF6.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2763B3
Deuteranopia (green-blind)
#0056AE
Tritanopia (blue-blind)
#006F7C
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #1c5ab0;
/* rgb */ color: rgb(28, 90, 176);
/* oklch */ color: oklch(47.9% 0.151 257.9);
Tailwind
colors: {
  custom: {
    50: '#7388c8',
    500: '#1c5ab0',
    950: '#000000',
  },
}
SCSS
$custom: #1c5ab0;
$custom-light: #7388c8;
$custom-dark: #000000;
JSON
{
  "hex": "#1c5ab0",
  "rgb": {
    "r": 28,
    "g": 90,
    "b": 176
  },
  "hsl": {
    "h": 214.865,
    "s": 72.549,
    "l": 40
  },
  "oklch": {
    "l": 0.47869,
    "c": 0.15076,
    "h": 257.9
  },
  "luminance": 0.10694
}

Semantic roles & 50–950 ramp

primary
#1C5AB0
secondary
#CA9D5E
accent
#A339EF
background
#F7F8FC
surface
#EEEFF8
border
#C9CAD1
text
#090B13
muted
#7B7C82

Preview Lab

Preview with #1C5AB0

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

Preview Lab → · Contrast checker → · Palette generator →

#1C5AB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva