#1A174C#1A174C

#1A174C is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.095 H 279.4°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A174C
RGB	rgb(26, 23, 76)
HSL	hsl(243, 54%, 19%)
HSV	hsv(243, 70%, 30%)
CMYK	cmyk(65.8%, 69.7%, 0%, 70.2%)
CIE-LAB	lab(11.65, 19.70, -32.41)
CIE-LCH	lch(11.65, 37.93, 301.29°)
OKLab	oklab(24.65% 0.0155 -0.0932)
OKLCH	oklch(24.65% 0.095 279.4)
XYZ	xyz(2.0365, 1.3541, 6.9901)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A174C #494C17

analogous

#172F4C #1A174C #35174C

triadic

#1A174C #4C1A17 #174C1A

tetradic

#1A174C #4C172F #494C17 #174C35

square

#1A174C #4C172F #494C17 #174C35

split-complementary

#1A174C #4C3517 #2F4C17

monochromatic

#080717 #0A091D #1A174C #2A257B #3A33AA

Accessibility & contrast

On white

16.53

#1A174C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1A174C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A174C

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A174C	#FFFFFF	#000000	##FFFFFF
##1A174C	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214E

Deuteranopia (green-blind)

#001D4B

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1a174c;
/* rgb */ color: rgb(26, 23, 76);
/* oklch */ color: oklch(24.7% 0.095 279.4);

Tailwind

colors: {
  custom: {
    50: '#5d547f',
    500: '#1a174c',
    950: '#000000',
  },
}

SCSS

$custom: #1a174c;
$custom-light: #5d547f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a174c",
  "rgb": {
    "r": 26,
    "g": 23,
    "b": 76
  },
  "hsl": {
    "h": 243.396,
    "s": 53.535,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24652,
    "c": 0.09452,
    "h": 279.4
  },
  "luminance": 0.01354
}

Semantic roles & 50–950 ramp

primary

#1A174C

secondary

#7F833C

accent

#DD4BD5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1A174C

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

Preview Lab → · Contrast checker → · Palette generator →