#1D155A#1D155A

#1D155A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 26.0% C 0.117 H 279.7°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#1D155A
RGB	rgb(29, 21, 90)
HSL	hsl(247, 62%, 22%)
HSV	hsv(247, 77%, 35%)
CMYK	cmyk(67.8%, 76.7%, 0%, 64.7%)
CIE-LAB	lab(12.83, 26.76, -40.01)
CIE-LCH	lch(12.83, 48.13, 303.78°)
OKLab	oklab(26.01% 0.0197 -0.1154)
OKLCH	oklch(26.01% 0.117 279.7)
XYZ	xyz(2.6197, 1.5355, 9.8292)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D155A #525A15

analogous

#15305A #1D155A #40155A

triadic

#1D155A #5A1D15 #155A1D

tetradic

#1D155A #5A1530 #525A15 #155A40

square

#1D155A #5A1530 #525A15 #155A40

split-complementary

#1D155A #5A4015 #305A15

monochromatic

#080619 #0D0928 #1D155A #2D218C #3D2CBD

Accessibility & contrast

On white

16.06

#1D155A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1D155A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D155A

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D155A	#FFFFFF	#000000	##FFFFFF
##1D155A	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245C

Deuteranopia (green-blind)

#001E59

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1d155a;
/* rgb */ color: rgb(29, 21, 90);
/* oklch */ color: oklch(26.0% 0.117 279.7);

Tailwind

colors: {
  custom: {
    50: '#625389',
    500: '#1d155a',
    950: '#000000',
  },
}

SCSS

$custom: #1d155a;
$custom-light: #625389;
$custom-dark: #000000;

JSON

{
  "hex": "#1d155a",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 90
  },
  "hsl": {
    "h": 246.957,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.26008,
    "c": 0.11709,
    "h": 279.7
  },
  "luminance": 0.01536
}

Semantic roles & 50–950 ramp

primary

#1D155A

secondary

#879239

accent

#E543D2

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D155A

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

Preview Lab → · Contrast checker → · Palette generator →