#1A174F#1A174F

#1A174F is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.099 H 278.8°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#1A174F
RGB	rgb(26, 23, 79)
HSL	hsl(243, 55%, 20%)
HSV	hsv(243, 71%, 31%)
CMYK	cmyk(67.1%, 70.9%, 0%, 69%)
CIE-LAB	lab(11.94, 20.84, -34.01)
CIE-LCH	lch(11.94, 39.89, 301.50°)
OKLab	oklab(24.95% 0.0152 -0.0979)
OKLCH	oklch(24.95% 0.099 278.8)
XYZ	xyz(2.1432, 1.3968, 7.5523)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A174F #4C4F17

analogous

#17304F #1A174F #36174F

triadic

#1A174F #4F1A17 #174F1A

tetradic

#1A174F #4F1730 #4C4F17 #174F36

square

#1A174F #4F1730 #4C4F17 #174F36

split-complementary

#1A174F #4F3617 #304F17

monochromatic

#080718 #0A0920 #1A174F #2A257E #3933AE

Accessibility & contrast

On white

16.41

#1A174F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1A174F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A174F

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A174F	#FFFFFF	#000000	##FFFFFF
##1A174F	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002251

Deuteranopia (green-blind)

#001D4E

Tritanopia (blue-blind)

#002530

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1a174f;
/* rgb */ color: rgb(26, 23, 79);
/* oklch */ color: oklch(25.0% 0.099 278.8);

Tailwind

colors: {
  custom: {
    50: '#5e5481',
    500: '#1a174f',
    950: '#000000',
  },
}

SCSS

$custom: #1a174f;
$custom-light: #5e5481;
$custom-dark: #000000;

JSON

{
  "hex": "#1a174f",
  "rgb": {
    "r": 26,
    "g": 23,
    "b": 79
  },
  "hsl": {
    "h": 243.214,
    "s": 54.902,
    "l": 20
  },
  "oklch": {
    "l": 0.24951,
    "c": 0.09911,
    "h": 278.8
  },
  "luminance": 0.01397
}

Semantic roles & 50–950 ramp

primary

#1A174F

secondary

#82863C

accent

#DE4AD6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1A174F

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

Preview Lab → · Contrast checker → · Palette generator →