#1D2390#1D2390

#1D2390 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.174 H 270.5°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D2390
RGB	rgb(29, 35, 144)
HSL	hsl(237, 66%, 34%)
HSV	hsv(237, 80%, 56%)
CMYK	cmyk(79.9%, 75.7%, 0%, 43.5%)
CIE-LAB	lab(21.86, 37.44, -59.95)
CIE-LCH	lch(21.86, 70.68, 301.99°)
OKLab	oklab(34.21% 0.0014 -0.1736)
OKLCH	oklch(34.21% 0.174 270.5)
XYZ	xyz(6.1401, 3.4762, 26.7275)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2390 #908A1D

analogous

#1D5D90 #1D2390 #511D90

triadic

#1D2390 #901D23 #23901D

tetradic

#1D2390 #901D5D #908A1D #1D9051

square

#1D2390 #901D5D #908A1D #1D9051

split-complementary

#1D2390 #90511D #5D901D

monochromatic

#080A2A #13175D #1D2390 #272FC3 #4C54DB

Accessibility & contrast

On white

12.39

#1D2390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D2390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2390

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2390	#FFFFFF	#000000	##FFFFFF
##1D2390	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A93

Deuteranopia (green-blind)

#002F8E

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2390;
/* rgb */ color: rgb(29, 35, 144);
/* oklch */ color: oklch(34.2% 0.174 270.5);

Tailwind

colors: {
  custom: {
    50: '#6f5fb2',
    500: '#1d2390',
    950: '#000000',
  },
}

SCSS

$custom: #1d2390;
$custom-light: #6f5fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2390",
  "rgb": {
    "r": 29,
    "g": 35,
    "b": 144
  },
  "hsl": {
    "h": 236.87,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34209,
    "c": 0.17364,
    "h": 270.5
  },
  "luminance": 0.03477
}

Semantic roles & 50–950 ramp

primary

#1D2390

secondary

#BDB74B

accent

#E03EE9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1D2390

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

Preview Lab → · Contrast checker → · Palette generator →