#1F346D#1F346D

#1F346D is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.2% C 0.103 H 265.9°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#1F346D
RGB	rgb(31, 52, 109)
HSL	hsl(224, 56%, 27%)
HSV	hsv(224, 72%, 43%)
CMYK	cmyk(71.6%, 52.3%, 0%, 57.3%)
CIE-LAB	lab(23.17, 12.73, -35.68)
CIE-LCH	lch(23.17, 37.89, 289.64°)
OKLab	oklab(34.22% -0.0073 -0.1024)
OKLCH	oklch(34.22% 0.103 265.9)
XYZ	xyz(4.5524, 3.8510, 14.9684)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F346D #6D581F

analogous

#1F5B6D #1F346D #311F6D

triadic

#1F346D #6D1F34 #346D1F

tetradic

#1F346D #6D1F5B #6D581F #1F6D31

square

#1F346D #6D1F5B #6D581F #1F6D31

split-complementary

#1F346D #6D311F #5B6D1F

monochromatic

#070B18 #111D3D #1F346D #2D4B9D #3E63C8

Accessibility & contrast

On white

11.86

#1F346D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1F346D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F346D

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F346D	#FFFFFF	#000000	##FFFFFF
##1F346D	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143B6F

Deuteranopia (green-blind)

#00346C

Tritanopia (blue-blind)

#00414B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f346d;
/* rgb */ color: rgb(31, 52, 109);
/* oklch */ color: oklch(34.2% 0.103 265.9);

Tailwind

colors: {
  custom: {
    50: '#656b97',
    500: '#1f346d',
    950: '#000000',
  },
}

SCSS

$custom: #1f346d;
$custom-light: #656b97;
$custom-dark: #000000;

JSON

{
  "hex": "#1f346d",
  "rgb": {
    "r": 31,
    "g": 52,
    "b": 109
  },
  "hsl": {
    "h": 223.846,
    "s": 55.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34223,
    "c": 0.10262,
    "h": 265.9
  },
  "luminance": 0.03851
}

Semantic roles & 50–950 ramp

primary

#1F346D

secondary

#A18947

accent

#B749DF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1F346D

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

Preview Lab → · Contrast checker → · Palette generator →