#1C1380#1C1380

#1C1380 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.169 H 273.2°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C1380
RGB	rgb(28, 19, 128)
HSL	hsl(245, 74%, 29%)
HSV	hsv(245, 85%, 50%)
CMYK	cmyk(78.1%, 85.2%, 0%, 49.8%)
CIE-LAB	lab(16.85, 40.72, -58.21)
CIE-LCH	lch(16.85, 71.03, 304.97°)
OKLab	oklab(30.12% 0.0094 -0.1684)
OKLCH	oklch(30.12% 0.169 273.2)
XYZ	xyz(4.6067, 2.2706, 20.6134)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1380 #778013

analogous

#134180 #1C1380 #531380

triadic

#1C1380 #801C13 #13801C

tetradic

#1C1380 #801341 #778013 #138053

square

#1C1380 #801341 #778013 #138053

split-complementary

#1C1380 #805313 #418013

monochromatic

#06041B #100B4B #1C1380 #281BB5 #3C2DE0

Accessibility & contrast

On white

14.44

#1C1380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1C1380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1380

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1380	#FFFFFF	#000000	##FFFFFF
##1C1380	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E83

Deuteranopia (green-blind)

#00247E

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1c1380;
/* rgb */ color: rgb(28, 19, 128);
/* oklch */ color: oklch(30.1% 0.169 273.2);

Tailwind

colors: {
  custom: {
    50: '#6c55a6',
    500: '#1c1380',
    950: '#000000',
  },
}

SCSS

$custom: #1c1380;
$custom-light: #6c55a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1380",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 128
  },
  "hsl": {
    "h": 244.954,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30123,
    "c": 0.16862,
    "h": 273.2
  },
  "luminance": 0.02271
}

Semantic roles & 50–950 ramp

primary

#1C1380

secondary

#ABB539

accent

#F137E1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1C1380

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

Preview Lab → · Contrast checker → · Palette generator →