#1C1939#1C1939

#1C1939 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.6% C 0.060 H 285.1°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#1C1939
RGB	rgb(28, 25, 57)
HSL	hsl(246, 39%, 16%)
HSV	hsv(246, 56%, 22%)
CMYK	cmyk(50.9%, 56.1%, 0%, 77.6%)
CIE-LAB	lab(10.83, 11.55, -20.37)
CIE-LCH	lch(10.83, 23.42, 299.54°)
OKLab	oklab(23.59% 0.0156 -0.0578)
OKLCH	oklch(23.59% 0.06 285.1)
XYZ	xyz(1.5648, 1.2375, 4.0265)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1939 #363919

analogous

#192639 #1C1939 #2C1939

triadic

#1C1939 #391C19 #19391C

tetradic

#1C1939 #391926 #363919 #19392C

square

#1C1939 #391926 #363919 #19392C

split-complementary

#1C1939 #392C19 #263919

monochromatic

#0A0915 #0A0915 #1C1939 #312C64 #463E8E

Accessibility & contrast

On white

16.83

#1C1939 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1C1939 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1939

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1939	#FFFFFF	#000000	##FFFFFF
##1C1939	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C1E3A

Deuteranopia (green-blind)

#0B1C38

Tritanopia (blue-blind)

#132026

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1c1939;
/* rgb */ color: rgb(28, 25, 57);
/* oklch */ color: oklch(23.6% 0.060 285.1);

Tailwind

colors: {
  custom: {
    50: '#5a556f',
    500: '#1c1939',
    950: '#000000',
  },
}

SCSS

$custom: #1c1939;
$custom-light: #5a556f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1939",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 57
  },
  "hsl": {
    "h": 245.625,
    "s": 39.024,
    "l": 16.078
  },
  "oklch": {
    "l": 0.2359,
    "c": 0.05985,
    "h": 285.1
  },
  "luminance": 0.01238
}

Semantic roles & 50–950 ramp

primary

#1C1939

secondary

#6A6F3F

accent

#CF59C4

background

#F5F4F6

surface

#E9E8EC

border

#C5C4C7

text

#040307

muted

#79787A

Preview Lab

Preview with #1C1939

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

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