#1C1931#1C1931

#1C1931 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.0% C 0.046 H 288.0°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#1C1931
RGB	rgb(28, 25, 49)
HSL	hsl(248, 32%, 15%)
HSV	hsv(248, 49%, 19%)
CMYK	cmyk(42.9%, 49%, 0%, 80.8%)
CIE-LAB	lab(10.29, 8.69, -15.46)
CIE-LCH	lch(10.29, 17.74, 299.33°)
OKLab	oklab(23% 0.0141 -0.0434)
OKLCH	oklch(23% 0.046 288)
XYZ	xyz(1.3807, 1.1639, 3.0570)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1931 #2E3119

analogous

#192231 #1C1931 #281931

triadic

#1C1931 #311C19 #19311C

tetradic

#1C1931 #311922 #2E3119 #193128

square

#1C1931 #311922 #2E3119 #193128

split-complementary

#1C1931 #312819 #223119

monochromatic

#0C0A14 #0C0A14 #1C1931 #332E5A #4A4282

Accessibility & contrast

On white

17.03

#1C1931 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1C1931 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1931

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1931	#FFFFFF	#000000	##FFFFFF
##1C1931	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111D32

Deuteranopia (green-blind)

#111B30

Tritanopia (blue-blind)

#171E22

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1c1931;
/* rgb */ color: rgb(28, 25, 49);
/* oklch */ color: oklch(23.0% 0.046 288.0);

Tailwind

colors: {
  custom: {
    50: '#595569',
    500: '#1c1931',
    950: '#000000',
  },
}

SCSS

$custom: #1c1931;
$custom-light: #595569;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1931",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 49
  },
  "hsl": {
    "h": 247.5,
    "s": 32.432,
    "l": 14.51
  },
  "oklch": {
    "l": 0.23003,
    "c": 0.04566,
    "h": 288
  },
  "luminance": 0.01164
}

Semantic roles & 50–950 ramp

primary

#1C1931

secondary

#616640

accent

#C95FBB

background

#F5F4F6

surface

#E9E8EB

border

#C5C4C6

text

#030306

muted

#78787A

Preview Lab

Preview with #1C1931

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

Preview Lab → · Contrast checker → · Palette generator →