#1C137D#1C137D

#1C137D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.165 H 273.6°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX#1C137D
RGBrgb(28, 19, 125)
HSLhsl(245, 74%, 28%)
HSVhsv(245, 85%, 49%)
CMYKcmyk(77.6%, 84.8%, 0%, 51%)
CIE-LABlab(16.47, 39.75, -56.93)
CIE-LCHlch(16.47, 69.43, 304.93°)
OKLaboklab(29.75% 0.0103 -0.1646)
OKLCHoklch(29.75% 0.165 273.6)
XYZxyz(4.4122, 2.1928, 19.5888)
Luminance0.0219 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C137D #747D13
analogous
#133F7D #1C137D #51137D
triadic
#1C137D #7D1C13 #137D1C
tetradic
#1C137D #7D133F #747D13 #137D51
square
#1C137D #7D133F #747D13 #137D51
split-complementary
#1C137D #7D5113 #3F7D13
monochromatic
#06041B #100B48 #1C137D #281BB2 #3B2CDF

Accessibility & contrast

On white

14.60
#1C137D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.44
#1C137D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C137D
14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C137D#FFFFFF#000000##FFFFFF
##1C137D1.0014.601.4414.60
#FFFFFF14.601.0021.001.00
#0000001.4421.001.0021.00
##FFFFFF14.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002E80
Deuteranopia (green-blind)
#00247B
Tritanopia (blue-blind)
#003549
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #1c137d;
/* rgb */ color: rgb(28, 19, 125);
/* oklch */ color: oklch(29.8% 0.165 273.6);
Tailwind
colors: {
  custom: {
    50: '#6b54a4',
    500: '#1c137d',
    950: '#000000',
  },
}
SCSS
$custom: #1c137d;
$custom-light: #6b54a4;
$custom-dark: #000000;
JSON
{
  "hex": "#1c137d",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 125
  },
  "hsl": {
    "h": 245.094,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29751,
    "c": 0.16497,
    "h": 273.6
  },
  "luminance": 0.02193
}

Semantic roles & 50–950 ramp

primary
#1C137D
secondary
#A8B339
accent
#F038E1
background
#F7F5FA
surface
#EDE9F4
border
#C8C5CE
text
#08030F
muted
#7B787F

Preview Lab

Preview with #1C137D

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

Preview Lab → · Contrast checker → · Palette generator →

#1C137D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva