#1A156F#1A156F

#1A156F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.146 H 274.1°. Best body text is #FFFFFF at 15.21:1 contrast (WCAG AA passes).

Color values

HEX	#1A156F
RGB	rgb(26, 21, 111)
HSL	hsl(243, 68%, 26%)
HSV	hsv(243, 81%, 44%)
CMYK	cmyk(76.6%, 81.1%, 0%, 56.5%)
CIE-LAB	lab(14.97, 33.83, -50.39)
CIE-LCH	lch(14.97, 60.69, 303.88°)
OKLab	oklab(28.17% 0.0104 -0.1458)
OKLCH	oklch(28.17% 0.146 274.1)
XYZ	xyz(3.5625, 1.9033, 15.2155)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A156F #6A6F15

analogous

#153D6F #1A156F #47156F

triadic

#1A156F #6F1A15 #156F1A

tetradic

#1A156F #6F153D #6A6F15 #156F47

square

#1A156F #6F153D #6A6F15 #156F47

split-complementary

#1A156F #6F4715 #3D6F15

monochromatic

#06051A #0E0B3C #1A156F #261FA2 #3228D6

Accessibility & contrast

On white

15.21

#1A156F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1A156F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A156F

15.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A156F	#FFFFFF	#000000	##FFFFFF
##1A156F	1.00	15.21	1.38	15.21
#FFFFFF	15.21	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00216D

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1a156f;
/* rgb */ color: rgb(26, 21, 111);
/* oklch */ color: oklch(28.2% 0.146 274.1);

Tailwind

colors: {
  custom: {
    50: '#665499',
    500: '#1a156f',
    950: '#000000',
  },
}

SCSS

$custom: #1a156f;
$custom-light: #665499;
$custom-dark: #000000;

JSON

{
  "hex": "#1a156f",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 111
  },
  "hsl": {
    "h": 243.333,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.2817,
    "c": 0.14613,
    "h": 274.1
  },
  "luminance": 0.01904
}

Semantic roles & 50–950 ramp

primary

#1A156F

secondary

#9FA53A

accent

#EB3DE1

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A156F

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

Preview Lab → · Contrast checker → · Palette generator →