#1D345E#1D345E

#1D345E is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.0% C 0.080 H 261.4°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D345E
RGB	rgb(29, 52, 94)
HSL	hsl(219, 53%, 24%)
HSV	hsv(219, 69%, 37%)
CMYK	cmyk(69.1%, 44.7%, 0%, 63.1%)
CIE-LAB	lab(22.03, 6.34, -27.77)
CIE-LCH	lch(22.03, 28.48, 282.86°)
OKLab	oklab(32.99% -0.0119 -0.0791)
OKLCH	oklch(32.99% 0.08 261.4)
XYZ	xyz(3.7544, 3.5250, 11.0700)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D345E #5E471D

analogous

#1D555E #1D345E #271D5E

triadic

#1D345E #5E1D34 #345E1D

tetradic

#1D345E #5E1D55 #5E471D #1D5E27

square

#1D345E #5E1D55 #5E471D #1D5E27

split-complementary

#1D345E #5E271D #555E1D

monochromatic

#070D17 #0F1A2F #1D345E #2B4E8D #3A68BC

Accessibility & contrast

On white

12.32

#1D345E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D345E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D345E

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D345E	#FFFFFF	#000000	##FFFFFF
##1D345E	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213860

Deuteranopia (green-blind)

#17325D

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d345e;
/* rgb */ color: rgb(29, 52, 94);
/* oklch */ color: oklch(33.0% 0.080 261.4);

Tailwind

colors: {
  custom: {
    50: '#616b8c',
    500: '#1d345e',
    950: '#000000',
  },
}

SCSS

$custom: #1d345e;
$custom-light: #616b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d345e",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 94
  },
  "hsl": {
    "h": 218.769,
    "s": 52.846,
    "l": 24.118
  },
  "oklch": {
    "l": 0.32988,
    "c": 0.08003,
    "h": 261.4
  },
  "luminance": 0.03525
}

Semantic roles & 50–950 ramp

primary

#1D345E

secondary

#937744

accent

#A94CDC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1D345E

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

Preview Lab → · Contrast checker → · Palette generator →