#1D115B#1D115B

#1D115B is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.5% C 0.123 H 280.5°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#1D115B
RGB	rgb(29, 17, 91)
HSL	hsl(250, 69%, 21%)
HSV	hsv(250, 81%, 36%)
CMYK	cmyk(68.1%, 81.3%, 0%, 64.3%)
CIE-LAB	lab(12.07, 29.56, -41.93)
CIE-LCH	lch(12.07, 51.30, 305.18°)
OKLab	oklab(25.5% 0.0225 -0.121)
OKLCH	oklch(25.5% 0.123 280.5)
XYZ	xyz(2.5949, 1.4172, 10.0323)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D115B #4F5B11

analogous

#112A5B #1D115B #42115B

triadic

#1D115B #5B1D11 #115B1D

tetradic

#1D115B #5B112A #4F5B11 #115B42

square

#1D115B #5B112A #4F5B11 #115B42

split-complementary

#1D115B #5B4211 #2A5B11

monochromatic

#08051A #0D0727 #1D115B #2D1B8F #3E24C2

Accessibility & contrast

On white

16.36

#1D115B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1D115B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D115B

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D115B	#FFFFFF	#000000	##FFFFFF
##1D115B	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225D

Deuteranopia (green-blind)

#001D5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1d115b;
/* rgb */ color: rgb(29, 17, 91);
/* oklch */ color: oklch(25.5% 0.123 280.5);

Tailwind

colors: {
  custom: {
    50: '#63518a',
    500: '#1d115b',
    950: '#000000',
  },
}

SCSS

$custom: #1d115b;
$custom-light: #63518a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d115b",
  "rgb": {
    "r": 29,
    "g": 17,
    "b": 91
  },
  "hsl": {
    "h": 249.73,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25503,
    "c": 0.12308,
    "h": 280.5
  },
  "luminance": 0.01417
}

Semantic roles & 50–950 ramp

primary

#1D115B

secondary

#849434

accent

#EB3CCF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D115B

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

Preview Lab → · Contrast checker → · Palette generator →