#1C1390#1C1390

#1C1390 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.1% C 0.188 H 271.5°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#1C1390
RGB	rgb(28, 19, 144)
HSL	hsl(244, 77%, 32%)
HSV	hsv(244, 87%, 56%)
CMYK	cmyk(80.6%, 86.8%, 0%, 43.5%)
CIE-LAB	lab(18.91, 45.74, -64.84)
CIE-LCH	lch(18.91, 79.35, 305.20°)
OKLab	oklab(32.13% 0.0051 -0.1876)
OKLCH	oklch(32.13% 0.188 271.5)
XYZ	xyz(5.7441, 2.7256, 26.6035)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1390 #879013

analogous

#134990 #1C1390 #5B1390

triadic

#1C1390 #901C13 #13901C

tetradic

#1C1390 #901349 #879013 #13905B

square

#1C1390 #901349 #879013 #13905B

split-complementary

#1C1390 #905B13 #499013

monochromatic

#070524 #110C5A #1C1390 #271AC6 #4539E5

Accessibility & contrast

On white

13.59

#1C1390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C1390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1390

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1390	#FFFFFF	#000000	##FFFFFF
##1C1390	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003493

Deuteranopia (green-blind)

#00288E

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c1390;
/* rgb */ color: rgb(28, 19, 144);
/* oklch */ color: oklch(32.1% 0.188 271.5);

Tailwind

colors: {
  custom: {
    50: '#7056b2',
    500: '#1c1390',
    950: '#000000',
  },
}

SCSS

$custom: #1c1390;
$custom-light: #7056b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1390",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 144
  },
  "hsl": {
    "h": 244.32,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32132,
    "c": 0.18764,
    "h": 271.5
  },
  "luminance": 0.02726
}

Semantic roles & 50–950 ramp

primary

#1C1390

secondary

#BAC43B

accent

#F335E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C1390

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

Preview Lab → · Contrast checker → · Palette generator →