#1C1943#1C1943

#1C1943 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.077 H 282.3°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#1C1943
RGB	rgb(28, 25, 67)
HSL	hsl(244, 46%, 18%)
HSV	hsv(244, 63%, 26%)
CMYK	cmyk(58.2%, 62.7%, 0%, 73.7%)
CIE-LAB	lab(11.60, 15.26, -26.22)
CIE-LCH	lch(11.60, 30.34, 300.21°)
OKLab	oklab(24.41% 0.0164 -0.0749)
OKLCH	oklch(24.41% 0.077 282.3)
XYZ	xyz(1.8393, 1.3473, 5.4722)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1943 #404319

analogous

#192B43 #1C1943 #311943

triadic

#1C1943 #431C19 #19431C

tetradic

#1C1943 #43192B #404319 #194331

square

#1C1943 #43192B #404319 #194331

split-complementary

#1C1943 #433119 #2B4319

monochromatic

#090816 #090816 #1C1943 #2F2A70 #413A9C

Accessibility & contrast

On white

16.54

#1C1943 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1C1943 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1943

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1943	#FFFFFF	#000000	##FFFFFF
##1C1943	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022044

Deuteranopia (green-blind)

#001D42

Tritanopia (blue-blind)

#0C232B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1c1943;
/* rgb */ color: rgb(28, 25, 67);
/* oklch */ color: oklch(24.4% 0.077 282.3);

Tailwind

colors: {
  custom: {
    50: '#5c5577',
    500: '#1c1943',
    950: '#000000',
  },
}

SCSS

$custom: #1c1943;
$custom-light: #5c5577;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1943",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 67
  },
  "hsl": {
    "h": 244.286,
    "s": 45.652,
    "l": 18.039
  },
  "oklch": {
    "l": 0.24414,
    "c": 0.07672,
    "h": 282.3
  },
  "luminance": 0.01347
}

Semantic roles & 50–950 ramp

primary

#1C1943

secondary

#75793F

accent

#D552CC

background

#F5F4F7

surface

#E9E8ED

border

#C5C4C8

text

#040309

muted

#79787B

Preview Lab

Preview with #1C1943

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

Preview Lab → · Contrast checker → · Palette generator →