#1D1E8E#1D1E8E

#1D1E8E is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.176 H 271.2°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D1E8E
RGB	rgb(29, 30, 142)
HSL	hsl(239, 66%, 34%)
HSV	hsv(239, 80%, 56%)
CMYK	cmyk(79.6%, 78.9%, 0%, 44.3%)
CIE-LAB	lab(20.60, 39.66, -60.78)
CIE-LCH	lch(20.60, 72.58, 303.12°)
OKLab	oklab(33.26% 0.0037 -0.176)
OKLCH	oklch(33.26% 0.176 271.2)
XYZ	xyz(5.8518, 3.1421, 25.8840)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1E8E #8E8D1D

analogous

#1D568E #1D1E8E #541D8E

triadic

#1D1E8E #8E1D1E #1E8E1D

tetradic

#1D1E8E #8E1D56 #8E8D1D #1D8E54

square

#1D1E8E #8E1D56 #8E8D1D #1D8E54

split-complementary

#1D1E8E #8E541D #568E1D

monochromatic

#080928 #13135B #1D1E8E #2729C1 #4B4CDA

Accessibility & contrast

On white

12.89

#1D1E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1D1E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1E8E

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1E8E	#FFFFFF	#000000	##FFFFFF
##1D1E8E	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002C8C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d1e8e;
/* rgb */ color: rgb(29, 30, 142);
/* oklch */ color: oklch(33.3% 0.176 271.2);

Tailwind

colors: {
  custom: {
    50: '#6f5cb0',
    500: '#1d1e8e',
    950: '#000000',
  },
}

SCSS

$custom: #1d1e8e;
$custom-light: #6f5cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1e8e",
  "rgb": {
    "r": 29,
    "g": 30,
    "b": 142
  },
  "hsl": {
    "h": 239.469,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33255,
    "c": 0.17603,
    "h": 271.2
  },
  "luminance": 0.03143
}

Semantic roles & 50–950 ramp

primary

#1D1E8E

secondary

#BDBC4A

accent

#E83FE9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D1E8E

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

Preview Lab → · Contrast checker → · Palette generator →