#1D105F#1D105F

#1D105F is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.8% C 0.129 H 279.8°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#1D105F
RGB	rgb(29, 16, 95)
HSL	hsl(250, 71%, 22%)
HSV	hsv(250, 83%, 37%)
CMYK	cmyk(69.5%, 83.2%, 0%, 62.7%)
CIE-LAB	lab(12.34, 31.48, -44.18)
CIE-LCH	lch(12.34, 54.25, 305.47°)
OKLab	oklab(25.83% 0.022 -0.1275)
OKLCH	oklch(25.83% 0.129 279.8)
XYZ	xyz(2.7569, 1.4578, 10.9604)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D105F #525F10

analogous

#102B5F #1D105F #45105F

triadic

#1D105F #5F1D10 #105F1D

tetradic

#1D105F #5F102B #525F10 #105F45

square

#1D105F #5F102B #525F10 #105F45

split-complementary

#1D105F #5F4510 #2B5F10

monochromatic

#08041A #0D072B #1D105F #2D1993 #3D22C8

Accessibility & contrast

On white

16.26

#1D105F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1D105F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D105F

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D105F	#FFFFFF	#000000	##FFFFFF
##1D105F	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002361

Deuteranopia (green-blind)

#001D5E

Tritanopia (blue-blind)

#002737

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1d105f;
/* rgb */ color: rgb(29, 16, 95);
/* oklch */ color: oklch(25.8% 0.129 279.8);

Tailwind

colors: {
  custom: {
    50: '#64508d',
    500: '#1d105f',
    950: '#000000',
  },
}

SCSS

$custom: #1d105f;
$custom-light: #64508d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d105f",
  "rgb": {
    "r": 29,
    "g": 16,
    "b": 95
  },
  "hsl": {
    "h": 249.873,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25828,
    "c": 0.12943,
    "h": 279.8
  },
  "luminance": 0.01458
}

Semantic roles & 50–950 ramp

primary

#1D105F

secondary

#879833

accent

#EE3AD0

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D105F

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

Preview Lab → · Contrast checker → · Palette generator →