#1C1975#1C1975

#1C1975 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.149 H 273.8°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX#1C1975
RGBrgb(28, 25, 117)
HSLhsl(242, 65%, 28%)
HSVhsv(242, 79%, 46%)
CMYKcmyk(76.1%, 78.6%, 0%, 54.1%)
CIE-LABlab(16.63, 33.79, -51.52)
CIE-LCHlch(16.63, 61.61, 303.26°)
OKLaboklab(29.58% 0.0098 -0.1491)
OKLCHoklch(29.58% 0.149 273.8)
XYZxyz(4.0363, 2.2261, 17.0431)
Luminance0.0223 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C1975 #727519
analogous
#194475 #1C1975 #4A1975
triadic
#1C1975 #751C19 #19751C
tetradic
#1C1975 #751944 #727519 #19754A
square
#1C1975 #751944 #727519 #19754A
split-complementary
#1C1975 #754A19 #447519
monochromatic
#060519 #100E43 #1C1975 #2824A7 #3A35D4

Accessibility & contrast

On white

14.53
#1C1975 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.45
#1C1975 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1975
14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C1975#FFFFFF#000000##FFFFFF
##1C19751.0014.531.4514.53
#FFFFFF14.531.0021.001.00
#0000001.4521.001.0021.00
##FFFFFF14.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002D78
Deuteranopia (green-blind)
#002573
Tritanopia (blue-blind)
#003446
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #1c1975;
/* rgb */ color: rgb(28, 25, 117);
/* oklch */ color: oklch(29.6% 0.149 273.8);
Tailwind
colors: {
  custom: {
    50: '#68579e',
    500: '#1c1975',
    950: '#000000',
  },
}
SCSS
$custom: #1c1975;
$custom-light: #68579e;
$custom-dark: #000000;
JSON
{
  "hex": "#1c1975",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 117
  },
  "hsl": {
    "h": 241.957,
    "s": 64.789,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29583,
    "c": 0.14938,
    "h": 273.8
  },
  "luminance": 0.02226
}

Semantic roles & 50–950 ramp

primary
#1C1975
secondary
#A6AA40
accent
#E840E2
background
#F6F5F9
surface
#ECE9F2
border
#C7C5CC
text
#07030E
muted
#7A787E

Preview Lab

Preview with #1C1975

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

Preview Lab → · Contrast checker → · Palette generator →

#1C1975 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva