#1F346A#1F346A

#1F346A is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.098 H 265.5°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#1F346A
RGB	rgb(31, 52, 106)
HSL	hsl(223, 55%, 27%)
HSV	hsv(223, 71%, 42%)
CMYK	cmyk(70.8%, 50.9%, 0%, 58.4%)
CIE-LAB	lab(22.96, 11.53, -34.10)
CIE-LCH	lch(22.96, 35.99, 288.69°)
OKLab	oklab(33.99% -0.0077 -0.0977)
OKLCH	oklch(33.99% 0.098 265.5)
XYZ	xyz(4.3937, 3.7875, 14.1324)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F346A #6A551F

analogous

#1F5A6A #1F346A #301F6A

triadic

#1F346A #6A1F34 #346A1F

tetradic

#1F346A #6A1F5A #6A551F #1F6A30

square

#1F346A #6A1F5A #6A551F #1F6A30

split-complementary

#1F346A #6A301F #5A6A1F

monochromatic

#070C18 #111D3B #1F346A #2D4B99 #3D64C6

Accessibility & contrast

On white

11.95

#1F346A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F346A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F346A

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F346A	#FFFFFF	#000000	##FFFFFF
##1F346A	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173A6C

Deuteranopia (green-blind)

#063469

Tritanopia (blue-blind)

#00414A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f346a;
/* rgb */ color: rgb(31, 52, 106);
/* oklch */ color: oklch(34.0% 0.098 265.5);

Tailwind

colors: {
  custom: {
    50: '#646b95',
    500: '#1f346a',
    950: '#000000',
  },
}

SCSS

$custom: #1f346a;
$custom-light: #646b95;
$custom-dark: #000000;

JSON

{
  "hex": "#1f346a",
  "rgb": {
    "r": 31,
    "g": 52,
    "b": 106
  },
  "hsl": {
    "h": 223.2,
    "s": 54.745,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33988,
    "c": 0.098,
    "h": 265.5
  },
  "luminance": 0.03788
}

Semantic roles & 50–950 ramp

primary

#1F346A

secondary

#9E8647

accent

#B54ADE

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1F346A

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

Preview Lab → · Contrast checker → · Palette generator →