#1A184C#1A184C

#1A184C is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.9% C 0.093 H 278.9°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#1A184C
RGB	rgb(26, 24, 76)
HSL	hsl(242, 52%, 20%)
HSV	hsv(242, 68%, 30%)
CMYK	cmyk(65.8%, 68.4%, 0%, 70.2%)
CIE-LAB	lab(11.92, 18.98, -31.97)
CIE-LCH	lch(11.92, 37.18, 300.70°)
OKLab	oklab(24.85% 0.0144 -0.0919)
OKLCH	oklch(24.85% 0.093 278.9)
XYZ	xyz(2.0567, 1.3945, 6.9969)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A184C #4A4C18

analogous

#18304C #1A184C #34184C

triadic

#1A184C #4C1A18 #184C1A

tetradic

#1A184C #4C1830 #4A4C18 #184C34

square

#1A184C #4C1830 #4A4C18 #184C34

split-complementary

#1A184C #4C3418 #304C18

monochromatic

#080717 #0A091D #1A184C #2A277B #3A35A9

Accessibility & contrast

On white

16.42

#1A184C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1A184C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A184C

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A184C	#FFFFFF	#000000	##FFFFFF
##1A184C	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214E

Deuteranopia (green-blind)

#001D4B

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1a184c;
/* rgb */ color: rgb(26, 24, 76);
/* oklch */ color: oklch(24.9% 0.093 278.9);

Tailwind

colors: {
  custom: {
    50: '#5d557f',
    500: '#1a184c',
    950: '#000000',
  },
}

SCSS

$custom: #1a184c;
$custom-light: #5d557f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a184c",
  "rgb": {
    "r": 26,
    "g": 24,
    "b": 76
  },
  "hsl": {
    "h": 242.308,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.24851,
    "c": 0.09306,
    "h": 278.9
  },
  "luminance": 0.01395
}

Semantic roles & 50–950 ramp

primary

#1A184C

secondary

#80833D

accent

#DB4CD6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #1A184C

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

Preview Lab → · Contrast checker → · Palette generator →