#1C1071#1C1071

#1C1071 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.9% C 0.153 H 275.6°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX#1C1071
RGBrgb(28, 16, 113)
HSLhsl(247, 75%, 25%)
HSVhsv(247, 86%, 44%)
CMYKcmyk(75.2%, 85.8%, 0%, 55.7%)
CIE-LABlab(14.45, 37.33, -52.54)
CIE-LCHlch(14.45, 64.45, 305.39°)
OKLaboklab(27.92% 0.0148 -0.1519)
OKLCHoklch(27.92% 0.153 275.6)
XYZxyz(3.6438, 1.8094, 15.7768)
Luminance0.0181 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C1071 #657110
analogous
#103471 #1C1071 #4D1071
triadic
#1C1071 #711C10 #10711C
tetradic
#1C1071 #711034 #657110 #10714D
square
#1C1071 #711034 #657110 #10714D
split-complementary
#1C1071 #714D10 #347110
monochromatic
#07041B #0F083B #1C1071 #2918A7 #371FDC

Accessibility & contrast

On white

15.42
#1C1071 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#1C1071 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1071
15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C1071#FFFFFF#000000##FFFFFF
##1C10711.0015.421.3615.42
#FFFFFF15.421.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002974
Deuteranopia (green-blind)
#00206F
Tritanopia (blue-blind)
#002F42
Achromatopsia (no color)
#252525

Design tokens & code

CSS
--color: #1c1071;
/* rgb */ color: rgb(28, 16, 113);
/* oklch */ color: oklch(27.9% 0.153 275.6);
Tailwind
colors: {
  custom: {
    50: '#68529b',
    500: '#1c1071',
    950: '#000000',
  },
}
SCSS
$custom: #1c1071;
$custom-light: #68529b;
$custom-dark: #000000;
JSON
{
  "hex": "#1c1071",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 113
  },
  "hsl": {
    "h": 247.423,
    "s": 75.194,
    "l": 25.294
  },
  "oklch": {
    "l": 0.2792,
    "c": 0.1526,
    "h": 275.6
  },
  "luminance": 0.0181
}

Semantic roles & 50–950 ramp

primary
#1C1071
secondary
#9AA934
accent
#F236DB
background
#F6F4F9
surface
#ECE7F2
border
#C7C3CC
text
#07020E
muted
#7A787E

Preview Lab

Preview with #1C1071

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

Preview Lab → · Contrast checker → · Palette generator →

#1C1071 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva