#1D185D#1D185D

#1D185D is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.8% C 0.118 H 278.1°. Best body text is #FFFFFF at 15.66:1 contrast (WCAG AA passes).

Color values

HEX	#1D185D
RGB	rgb(29, 24, 93)
HSL	hsl(244, 59%, 23%)
HSV	hsv(244, 74%, 36%)
CMYK	cmyk(68.8%, 74.2%, 0%, 63.5%)
CIE-LAB	lab(13.85, 25.90, -40.34)
CIE-LCH	lch(13.85, 47.94, 302.70°)
OKLab	oklab(26.83% 0.0167 -0.1164)
OKLCH	oklch(26.83% 0.118 278.1)
XYZ	xyz(2.8085, 1.7046, 10.5348)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D185D #585D18

analogous

#18355D #1D185D #3F185D

triadic

#1D185D #5D1D18 #185D1D

tetradic

#1D185D #5D1835 #585D18 #185D3F

square

#1D185D #5D1835 #585D18 #185D3F

split-complementary

#1D185D #5D3F18 #355D18

monochromatic

#080618 #0E0B2C #1D185D #2C258E #3B31BE

Accessibility & contrast

On white

15.66

#1D185D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1D185D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D185D

15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D185D	#FFFFFF	#000000	##FFFFFF
##1D185D	1.00	15.66	1.34	15.66
#FFFFFF	15.66	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265F

Deuteranopia (green-blind)

#00205C

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1d185d;
/* rgb */ color: rgb(29, 24, 93);
/* oklch */ color: oklch(26.8% 0.118 278.1);

Tailwind

colors: {
  custom: {
    50: '#63558c',
    500: '#1d185d',
    950: '#000000',
  },
}

SCSS

$custom: #1d185d;
$custom-light: #63558c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d185d",
  "rgb": {
    "r": 29,
    "g": 24,
    "b": 93
  },
  "hsl": {
    "h": 244.348,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.26835,
    "c": 0.1176,
    "h": 278.1
  },
  "luminance": 0.01705
}

Semantic roles & 50–950 ramp

primary

#1D185D

secondary

#8D933D

accent

#E246D7

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1D185D

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

Preview Lab → · Contrast checker → · Palette generator →