#1D115A#1D115A

#1D115A is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.4% C 0.122 H 280.8°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D115A
RGB	rgb(29, 17, 90)
HSL	hsl(250, 68%, 21%)
HSV	hsv(250, 81%, 35%)
CMYK	cmyk(67.8%, 81.1%, 0%, 64.7%)
CIE-LAB	lab(11.96, 29.21, -41.45)
CIE-LCH	lch(11.96, 50.71, 305.18°)
OKLab	oklab(25.39% 0.0228 -0.1196)
OKLCH	oklch(25.39% 0.122 280.8)
XYZ	xyz(2.5520, 1.4001, 9.8066)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D115A #4E5A11

analogous

#11295A #1D115A #41115A

triadic

#1D115A #5A1D11 #115A1D

tetradic

#1D115A #5A1129 #4E5A11 #115A41

square

#1D115A #5A1129 #4E5A11 #115A41

split-complementary

#1D115A #5A4111 #295A11

monochromatic

#08051A #0C0727 #1D115A #2E1B8D #3E24C1

Accessibility & contrast

On white

16.41

#1D115A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1D115A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D115A

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D115A	#FFFFFF	#000000	##FFFFFF
##1D115A	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225C

Deuteranopia (green-blind)

#001D59

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1d115a;
/* rgb */ color: rgb(29, 17, 90);
/* oklch */ color: oklch(25.4% 0.122 280.8);

Tailwind

colors: {
  custom: {
    50: '#63518a',
    500: '#1d115a',
    950: '#000000',
  },
}

SCSS

$custom: #1d115a;
$custom-light: #63518a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d115a",
  "rgb": {
    "r": 29,
    "g": 17,
    "b": 90
  },
  "hsl": {
    "h": 249.863,
    "s": 68.224,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25389,
    "c": 0.12174,
    "h": 280.8
  },
  "luminance": 0.014
}

Semantic roles & 50–950 ramp

primary

#1D115A

secondary

#839334

accent

#EB3DCE

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1D115A

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

Preview Lab → · Contrast checker → · Palette generator →