#1B346D#1B346D

#1B346D is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.104 H 263.9°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#1B346D
RGB	rgb(27, 52, 109)
HSL	hsl(222, 60%, 27%)
HSV	hsv(222, 75%, 43%)
CMYK	cmyk(75.2%, 52.3%, 0%, 57.3%)
CIE-LAB	lab(22.97, 12.07, -36.01)
CIE-LCH	lch(22.97, 37.98, 288.53°)
OKLab	oklab(34.02% -0.0111 -0.1034)
OKLCH	oklch(34.02% 0.104 263.9)
XYZ	xyz(4.4393, 3.7927, 14.9631)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B346D #6D541B

analogous

#1B5D6D #1B346D #2B1B6D

triadic

#1B346D #6D1B34 #346D1B

tetradic

#1B346D #6D1B5D #6D541B #1B6D2B

square

#1B346D #6D1B5D #6D541B #1B6D2B

split-complementary

#1B346D #6D2B1B #5D6D1B

monochromatic

#060C19 #0F1D3C #1B346D #274B9E #3564CD

Accessibility & contrast

On white

11.94

#1B346D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1B346D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B346D

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B346D	#FFFFFF	#000000	##FFFFFF
##1B346D	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133B6F

Deuteranopia (green-blind)

#00336C

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b346d;
/* rgb */ color: rgb(27, 52, 109);
/* oklch */ color: oklch(34.0% 0.104 263.9);

Tailwind

colors: {
  custom: {
    50: '#636b97',
    500: '#1b346d',
    950: '#000000',
  },
}

SCSS

$custom: #1b346d;
$custom-light: #636b97;
$custom-dark: #000000;

JSON

{
  "hex": "#1b346d",
  "rgb": {
    "r": 27,
    "g": 52,
    "b": 109
  },
  "hsl": {
    "h": 221.707,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.34017,
    "c": 0.10401,
    "h": 263.9
  },
  "luminance": 0.03793
}

Semantic roles & 50–950 ramp

primary

#1B346D

secondary

#A28542

accent

#B344E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1B346D

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

Preview Lab → · Contrast checker → · Palette generator →