#1C436E#1C436E

#1C436E is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.8% C 0.086 H 253.0°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX#1C436E
RGBrgb(28, 67, 110)
HSLhsl(211, 59%, 27%)
HSVhsv(211, 75%, 43%)
CMYKcmyk(74.5%, 39.1%, 0%, 56.9%)
CIE-LABlab(27.81, 2.19, -28.92)
CIE-LCHlch(27.81, 29.00, 274.32°)
OKLaboklab(37.79% -0.0252 -0.0823)
OKLCHoklch(37.79% 0.086 253)
XYZxyz(5.2995, 5.3864, 15.5092)
Luminance0.0539 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C436E #6E471C
analogous
#1C6C6E #1C436E #1E1C6E
triadic
#1C436E #6E1C43 #436E1C
tetradic
#1C436E #6E1C6C #6E471C #1C6E1E
square
#1C436E #6E1C6C #6E471C #1C6E1E
split-complementary
#1C436E #6E1E1C #6C6E1C
monochromatic
#060F18 #10253D #1C436E #28619F #387FCC

Accessibility & contrast

On white

10.11
#1C436E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.08
#1C436E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C436E
10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C436E#FFFFFF#000000##FFFFFF
##1C436E1.0010.112.0810.11
#FFFFFF10.111.0021.001.00
#0000002.0821.001.0021.00
##FFFFFF10.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F4670
Deuteranopia (green-blind)
#233E6D
Tritanopia (blue-blind)
#004D53
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #1c436e;
/* rgb */ color: rgb(28, 67, 110);
/* oklch */ color: oklch(37.8% 0.086 253.0);
Tailwind
colors: {
  custom: {
    50: '#647698',
    500: '#1c436e',
    950: '#000000',
  },
}
SCSS
$custom: #1c436e;
$custom-light: #647698;
$custom-dark: #000000;
JSON
{
  "hex": "#1c436e",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 110
  },
  "hsl": {
    "h": 211.463,
    "s": 59.42,
    "l": 27.059
  },
  "oklch": {
    "l": 0.37786,
    "c": 0.08607,
    "h": 253
  },
  "luminance": 0.05387
}

Semantic roles & 50–950 ramp

primary
#1C436E
secondary
#A37543
accent
#9845E3
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #1C436E

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

Preview Lab → · Contrast checker → · Palette generator →

#1C436E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva