#1C136B#1C136B

#1C136B is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.142 H 276.2°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX#1C136B
RGBrgb(28, 19, 107)
HSLhsl(246, 70%, 25%)
HSVhsv(246, 82%, 42%)
CMYKcmyk(73.8%, 82.2%, 0%, 58%)
CIE-LABlab(14.25, 33.78, -48.96)
CIE-LCHlch(14.25, 59.48, 304.60°)
OKLaboklab(27.57% 0.0153 -0.1415)
OKLCHoklch(27.57% 0.142 276.2)
XYZxyz(3.3647, 1.7738, 14.0721)
Luminance0.0177 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C136B #626B13
analogous
#13366B #1C136B #48136B
triadic
#1C136B #6B1C13 #136B1C
tetradic
#1C136B #6B1336 #626B13 #136B48
square
#1C136B #6B1336 #626B13 #136B48
split-complementary
#1C136B #6B4813 #366B13
monochromatic
#07051A #0E0A37 #1C136B #2A1C9F #3725D3

Accessibility & contrast

On white

15.50
#1C136B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.35
#1C136B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C136B
15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C136B#FFFFFF#000000##FFFFFF
##1C136B1.0015.501.3515.50
#FFFFFF15.501.0021.001.00
#0000001.3521.001.0021.00
##FFFFFF15.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00286D
Deuteranopia (green-blind)
#002069
Tritanopia (blue-blind)
#002E3F
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #1c136b;
/* rgb */ color: rgb(28, 19, 107);
/* oklch */ color: oklch(27.6% 0.142 276.2);
Tailwind
colors: {
  custom: {
    50: '#665396',
    500: '#1c136b',
    950: '#000000',
  },
}
SCSS
$custom: #1c136b;
$custom-light: #665396;
$custom-dark: #000000;
JSON
{
  "hex": "#1c136b",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 107
  },
  "hsl": {
    "h": 246.136,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27565,
    "c": 0.14235,
    "h": 276.2
  },
  "luminance": 0.01774
}

Semantic roles & 50–950 ramp

primary
#1C136B
secondary
#97A238
accent
#ED3BDA
background
#F6F4F9
surface
#EBE7F2
border
#C6C3CC
text
#07020D
muted
#7A787E

Preview Lab

Preview with #1C136B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C136B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva