#1D185A#1D185A

#1D185A is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.113 H 278.7°. Best body text is #FFFFFF at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#1D185A
RGB	rgb(29, 24, 90)
HSL	hsl(245, 58%, 22%)
HSV	hsv(245, 73%, 35%)
CMYK	cmyk(67.8%, 73.3%, 0%, 64.7%)
CIE-LAB	lab(13.55, 24.79, -38.84)
CIE-LCH	lch(13.55, 46.08, 302.56°)
OKLab	oklab(26.52% 0.0172 -0.112)
OKLCH	oklch(26.52% 0.113 278.7)
XYZ	xyz(2.6782, 1.6525, 9.8487)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D185A #555A18

analogous

#18345A #1D185A #3E185A

triadic

#1D185A #5A1D18 #185A1D

tetradic

#1D185A #5A1834 #555A18 #185A3E

square

#1D185A #5A1834 #555A18 #185A3E

split-complementary

#1D185A #5A3E18 #345A18

monochromatic

#080618 #0D0B2A #1D185A #2D258A #3C32BB

Accessibility & contrast

On white

15.78

#1D185A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#1D185A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D185A

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D185A	#FFFFFF	#000000	##FFFFFF
##1D185A	1.00	15.78	1.33	15.78
#FFFFFF	15.78	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255C

Deuteranopia (green-blind)

#002059

Tritanopia (blue-blind)

#002936

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1d185a;
/* rgb */ color: rgb(29, 24, 90);
/* oklch */ color: oklch(26.5% 0.113 278.7);

Tailwind

colors: {
  custom: {
    50: '#625589',
    500: '#1d185a',
    950: '#000000',
  },
}

SCSS

$custom: #1d185a;
$custom-light: #625589;
$custom-dark: #000000;

JSON

{
  "hex": "#1d185a",
  "rgb": {
    "r": 29,
    "g": 24,
    "b": 90
  },
  "hsl": {
    "h": 244.545,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.2652,
    "c": 0.1133,
    "h": 278.7
  },
  "luminance": 0.01653
}

Semantic roles & 50–950 ramp

primary

#1D185A

secondary

#8A913D

accent

#E147D5

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1D185A

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

Preview Lab → · Contrast checker → · Palette generator →