#1D155C#1D155C

#1D155C is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.2% C 0.120 H 279.3°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#1D155C
RGB	rgb(29, 21, 92)
HSL	hsl(247, 63%, 22%)
HSV	hsv(247, 77%, 36%)
CMYK	cmyk(68.5%, 77.2%, 0%, 63.9%)
CIE-LAB	lab(13.05, 27.47, -41.00)
CIE-LCH	lch(13.05, 49.35, 303.83°)
OKLab	oklab(26.23% 0.0193 -0.1183)
OKLCH	oklch(26.23% 0.12 279.3)
XYZ	xyz(2.7060, 1.5700, 10.2836)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D155C #545C15

analogous

#15305C #1D155C #41155C

triadic

#1D155C #5C1D15 #155C1D

tetradic

#1D155C #5C1530 #545C15 #155C41

square

#1D155C #5C1530 #545C15 #155C41

split-complementary

#1D155C #5C4115 #305C15

monochromatic

#080619 #0D0A2A #1D155C #2D208E #3C2CC0

Accessibility & contrast

On white

15.98

#1D155C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1D155C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D155C

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D155C	#FFFFFF	#000000	##FFFFFF
##1D155C	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245E

Deuteranopia (green-blind)

#001F5B

Tritanopia (blue-blind)

#002937

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1d155c;
/* rgb */ color: rgb(29, 21, 92);
/* oklch */ color: oklch(26.2% 0.120 279.3);

Tailwind

colors: {
  custom: {
    50: '#63538b',
    500: '#1d155c',
    950: '#000000',
  },
}

SCSS

$custom: #1d155c;
$custom-light: #63538b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d155c",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 92
  },
  "hsl": {
    "h": 246.761,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.26226,
    "c": 0.11988,
    "h": 279.3
  },
  "luminance": 0.0157
}

Semantic roles & 50–950 ramp

primary

#1D155C

secondary

#899339

accent

#E642D3

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D155C

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

Preview Lab → · Contrast checker → · Palette generator →