#1A156A#1A156A

#1A156A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.140 H 274.8°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#1A156A
RGB	rgb(26, 21, 106)
HSL	hsl(244, 67%, 25%)
HSV	hsv(244, 80%, 42%)
CMYK	cmyk(75.5%, 80.2%, 0%, 58.4%)
CIE-LAB	lab(14.38, 32.09, -48.10)
CIE-LCH	lch(14.38, 57.82, 303.71°)
OKLab	oklab(27.58% 0.0116 -0.1391)
OKLCH	oklch(27.58% 0.14 274.8)
XYZ	xyz(3.2948, 1.7962, 13.8059)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A156A #656A15

analogous

#153B6A #1A156A #44156A

triadic

#1A156A #6A1A15 #156A1A

tetradic

#1A156A #6A153B #656A15 #156A44

square

#1A156A #6A153B #656A15 #156A44

split-complementary

#1A156A #6A4415 #3B6A15

monochromatic

#06051A #0D0B37 #1A156A #271F9D #3329D0

Accessibility & contrast

On white

15.45

#1A156A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1A156A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A156A

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A156A	#FFFFFF	#000000	##FFFFFF
##1A156A	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#002068

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1a156a;
/* rgb */ color: rgb(26, 21, 106);
/* oklch */ color: oklch(27.6% 0.140 274.8);

Tailwind

colors: {
  custom: {
    50: '#655496',
    500: '#1a156a',
    950: '#000000',
  },
}

SCSS

$custom: #1a156a;
$custom-light: #655496;
$custom-dark: #000000;

JSON

{
  "hex": "#1a156a",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 106
  },
  "hsl": {
    "h": 243.529,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27579,
    "c": 0.13958,
    "h": 274.8
  },
  "luminance": 0.01797
}

Semantic roles & 50–950 ramp

primary

#1A156A

secondary

#9BA13A

accent

#EA3EE0

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1A156A

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

Preview Lab → · Contrast checker → · Palette generator →