#1B346C#1B346C

#1B346C is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.9% C 0.102 H 263.7°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B346C
RGB	rgb(27, 52, 108)
HSL	hsl(221, 60%, 26%)
HSV	hsv(221, 75%, 42%)
CMYK	cmyk(75%, 51.9%, 0%, 57.6%)
CIE-LAB	lab(22.90, 11.67, -35.49)
CIE-LCH	lch(22.90, 37.36, 288.20°)
OKLab	oklab(33.94% -0.0112 -0.1019)
OKLCH	oklch(33.94% 0.102 263.7)
XYZ	xyz(4.3858, 3.7712, 14.6812)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B346C #6C531B

analogous

#1B5D6C #1B346C #2B1B6C

triadic

#1B346C #6C1B34 #346C1B

tetradic

#1B346C #6C1B5D #6C531B #1B6C2B

square

#1B346C #6C1B5D #6C531B #1B6C2B

split-complementary

#1B346C #6C2B1B #5D6C1B

monochromatic

#060C18 #0F1C3B #1B346C #274C9D #3564CC

Accessibility & contrast

On white

11.97

#1B346C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1B346C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B346C

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B346C	#FFFFFF	#000000	##FFFFFF
##1B346C	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143B6E

Deuteranopia (green-blind)

#00336B

Tritanopia (blue-blind)

#00414A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b346c;
/* rgb */ color: rgb(27, 52, 108);
/* oklch */ color: oklch(33.9% 0.102 263.7);

Tailwind

colors: {
  custom: {
    50: '#636b96',
    500: '#1b346c',
    950: '#000000',
  },
}

SCSS

$custom: #1b346c;
$custom-light: #636b96;
$custom-dark: #000000;

JSON

{
  "hex": "#1b346c",
  "rgb": {
    "r": 27,
    "g": 52,
    "b": 108
  },
  "hsl": {
    "h": 221.481,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.33937,
    "c": 0.10248,
    "h": 263.7
  },
  "luminance": 0.03772
}

Semantic roles & 50–950 ramp

primary

#1B346C

secondary

#A18442

accent

#B245E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1B346C

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

Preview Lab → · Contrast checker → · Palette generator →