#1C396B#1C396B

#1C396B is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.094 H 260.5°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#1C396B
RGBrgb(28, 57, 107)
HSLhsl(218, 59%, 26%)
HSVhsv(218, 74%, 42%)
CMYKcmyk(73.8%, 46.7%, 0%, 58%)
CIE-LABlab(24.43, 7.87, -32.38)
CIE-LCHlch(24.43, 33.33, 283.66°)
OKLaboklab(35.1% -0.0155 -0.0926)
OKLCHoklch(35.1% 0.094 260.5)
XYZxyz(4.5949, 4.2342, 14.4822)
Luminance0.0423 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C396B #6B4E1C
analogous
#1C616B #1C396B #271C6B
triadic
#1C396B #6B1C39 #396B1C
tetradic
#1C396B #6B1C61 #6B4E1C #1C6B27
square
#1C396B #6B1C61 #6B4E1C #1C6B27
split-complementary
#1C396B #6B271C #616B1C
monochromatic
#060D18 #0F1F3A #1C396B #29539C #376DCB

Accessibility & contrast

On white

11.37
#1C396B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#1C396B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C396B
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C396B#FFFFFF#000000##FFFFFF
##1C396B1.0011.371.8511.37
#FFFFFF11.371.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#203E6D
Deuteranopia (green-blind)
#12376A
Tritanopia (blue-blind)
#00454C
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #1c396b;
/* rgb */ color: rgb(28, 57, 107);
/* oklch */ color: oklch(35.1% 0.094 260.5);
Tailwind
colors: {
  custom: {
    50: '#636e96',
    500: '#1c396b',
    950: '#000000',
  },
}
SCSS
$custom: #1c396b;
$custom-light: #636e96;
$custom-dark: #000000;
JSON
{
  "hex": "#1c396b",
  "rgb": {
    "r": 28,
    "g": 57,
    "b": 107
  },
  "hsl": {
    "h": 217.975,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35102,
    "c": 0.09391,
    "h": 260.5
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary
#1C396B
secondary
#A07E43
accent
#A946E2
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#06070D
muted
#7A7A7E

Preview Lab

Preview with #1C396B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C396B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva