#1C548E#1C548E

#1C548E is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.1% C 0.112 H 252.5°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX#1C548E
RGBrgb(28, 84, 142)
HSLhsl(211, 67%, 33%)
HSVhsv(211, 80%, 56%)
CMYKcmyk(80.3%, 40.8%, 0%, 44.3%)
CIE-LABlab(35.08, 3.68, -37.24)
CIE-LCHlch(35.08, 37.42, 275.64°)
OKLaboklab(44.09% -0.0335 -0.1064)
OKLCHoklch(44.09% 0.112 252.5)
XYZxyz(8.5299, 8.5395, 26.7847)
Luminance0.0854 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C548E #8E561C
analogous
#1C8D8E #1C548E #1D1C8E
triadic
#1C548E #8E1C54 #548E1C
tetradic
#1C548E #8E1C8D #8E561C #1C8E1D
square
#1C548E #8E1C8D #8E561C #1C8E1D
split-complementary
#1C548E #8E1D1C #8D8E1C
monochromatic
#081828 #12365B #1C548E #2672C1 #4991DB

Accessibility & contrast

On white

7.75
#1C548E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#1C548E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C548E
7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C548E#FFFFFF#000000##FFFFFF
##1C548E1.007.752.717.75
#FFFFFF7.751.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#385890
Deuteranopia (green-blind)
#254E8D
Tritanopia (blue-blind)
#00626A
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1c548e;
/* rgb */ color: rgb(28, 84, 142);
/* oklch */ color: oklch(44.1% 0.112 252.5);
Tailwind
colors: {
  custom: {
    50: '#6b83af',
    500: '#1c548e',
    950: '#000000',
  },
}
SCSS
$custom: #1c548e;
$custom-light: #6b83af;
$custom-dark: #000000;
JSON
{
  "hex": "#1c548e",
  "rgb": {
    "r": 28,
    "g": 84,
    "b": 142
  },
  "hsl": {
    "h": 210.526,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44088,
    "c": 0.11155,
    "h": 252.5
  },
  "luminance": 0.08541
}

Semantic roles & 50–950 ramp

primary
#1C548E
secondary
#BD8449
accent
#953EEA
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080A10
muted
#7A7C7F

Preview Lab

Preview with #1C548E

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

Preview Lab → · Contrast checker → · Palette generator →

#1C548E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva