#1D156A#1D156A

#1D156A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.139 H 276.6°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#1D156A
RGB	rgb(29, 21, 106)
HSL	hsl(246, 67%, 25%)
HSV	hsv(246, 80%, 42%)
CMYK	cmyk(72.6%, 80.2%, 0%, 58.4%)
CIE-LAB	lab(14.61, 32.40, -47.71)
CIE-LCH	lch(14.61, 57.67, 304.18°)
OKLab	oklab(27.8% 0.0159 -0.1379)
OKLCH	oklch(27.8% 0.139 276.6)
XYZ	xyz(3.3755, 1.8378, 13.8097)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D156A #626A15

analogous

#15386A #1D156A #48156A

triadic

#1D156A #6A1D15 #156A1D

tetradic

#1D156A #6A1538 #626A15 #156A48

square

#1D156A #6A1538 #626A15 #156A48

split-complementary

#1D156A #6A4815 #386A15

monochromatic

#07051A #0F0B37 #1D156A #2B1F9D #3929D0

Accessibility & contrast

On white

15.36

#1D156A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1D156A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D156A

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D156A	#FFFFFF	#000000	##FFFFFF
##1D156A	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286C

Deuteranopia (green-blind)

#002168

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d156a;
/* rgb */ color: rgb(29, 21, 106);
/* oklch */ color: oklch(27.8% 0.139 276.6);

Tailwind

colors: {
  custom: {
    50: '#665496',
    500: '#1d156a',
    950: '#000000',
  },
}

SCSS

$custom: #1d156a;
$custom-light: #665496;
$custom-dark: #000000;

JSON

{
  "hex": "#1d156a",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 106
  },
  "hsl": {
    "h": 245.647,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27803,
    "c": 0.1388,
    "h": 276.6
  },
  "luminance": 0.01838
}

Semantic roles & 50–950 ramp

primary

#1D156A

secondary

#97A13A

accent

#EA3EDA

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #1D156A

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

Preview Lab → · Contrast checker → · Palette generator →