#1A184F#1A184F

#1A184F is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.098 H 278.3°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#1A184F
RGB	rgb(26, 24, 79)
HSL	hsl(242, 53%, 20%)
HSV	hsv(242, 70%, 31%)
CMYK	cmyk(67.1%, 69.6%, 0%, 69%)
CIE-LAB	lab(12.20, 20.14, -33.57)
CIE-LCH	lch(12.20, 39.15, 300.96°)
OKLab	oklab(25.15% 0.0142 -0.0966)
OKLCH	oklch(25.15% 0.098 278.3)
XYZ	xyz(2.1635, 1.4372, 7.5590)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.17

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A184F #4D4F18

analogous

#18314F #1A184F #35184F

triadic

#1A184F #4F1A18 #184F1A

tetradic

#1A184F #4F1831 #4D4F18 #184F35

square

#1A184F #4F1831 #4D4F18 #184F35

split-complementary

#1A184F #4F3518 #314F18

monochromatic

#080717 #0B0A20 #1A184F #29267E #3935AD

Accessibility & contrast

On white

16.31

#1A184F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1A184F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A184F

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A184F	#FFFFFF	#000000	##FFFFFF
##1A184F	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002251

Deuteranopia (green-blind)

#001E4E

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1a184f;
/* rgb */ color: rgb(26, 24, 79);
/* oklch */ color: oklch(25.1% 0.098 278.3);

Tailwind

colors: {
  custom: {
    50: '#5e5581',
    500: '#1a184f',
    950: '#000000',
  },
}

SCSS

$custom: #1a184f;
$custom-light: #5e5581;
$custom-dark: #000000;

JSON

{
  "hex": "#1a184f",
  "rgb": {
    "r": 26,
    "g": 24,
    "b": 79
  },
  "hsl": {
    "h": 242.182,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.25146,
    "c": 0.09768,
    "h": 278.3
  },
  "luminance": 0.01437
}

Semantic roles & 50–950 ramp

primary

#1A184F

secondary

#83863D

accent

#DD4BD7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05030A

muted

#79787C

Preview Lab

Preview with #1A184F

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

Preview Lab → · Contrast checker → · Palette generator →