#1A174D#1A174D

#1A174D is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.096 H 279.2°. Best body text is #FFFFFF at 16.49:1 contrast (WCAG AA passes).

Color values

HEX	#1A174D
RGB	rgb(26, 23, 77)
HSL	hsl(243, 54%, 20%)
HSV	hsv(243, 70%, 30%)
CMYK	cmyk(66.2%, 70.1%, 0%, 69.8%)
CIE-LAB	lab(11.74, 20.08, -32.95)
CIE-LCH	lch(11.74, 38.58, 301.36°)
OKLab	oklab(24.75% 0.0154 -0.0948)
OKLCH	oklch(24.75% 0.096 279.2)
XYZ	xyz(2.0715, 1.3681, 7.1746)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A174D #4A4D17

analogous

#172F4D #1A174D #35174D

triadic

#1A174D #4D1A17 #174D1A

tetradic

#1A174D #4D172F #4A4D17 #174D35

square

#1A174D #4D172F #4A4D17 #174D35

split-complementary

#1A174D #4D3517 #2F4D17

monochromatic

#080718 #0A091E #1A174D #2A257C #3A33AB

Accessibility & contrast

On white

16.49

#1A174D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1A174D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A174D

16.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A174D	#FFFFFF	#000000	##FFFFFF
##1A174D	1.00	16.49	1.27	16.49
#FFFFFF	16.49	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214F

Deuteranopia (green-blind)

#001D4C

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1a174d;
/* rgb */ color: rgb(26, 23, 77);
/* oklch */ color: oklch(24.8% 0.096 279.2);

Tailwind

colors: {
  custom: {
    50: '#5d547f',
    500: '#1a174d',
    950: '#000000',
  },
}

SCSS

$custom: #1a174d;
$custom-light: #5d547f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a174d",
  "rgb": {
    "r": 26,
    "g": 23,
    "b": 77
  },
  "hsl": {
    "h": 243.333,
    "s": 54,
    "l": 19.608
  },
  "oklch": {
    "l": 0.24751,
    "c": 0.09606,
    "h": 279.2
  },
  "luminance": 0.01368
}

Semantic roles & 50–950 ramp

primary

#1A174D

secondary

#80843C

accent

#DD4AD5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1A174D

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

Preview Lab → · Contrast checker → · Palette generator →