#1B346E#1B346E

#1B346E is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.106 H 264.1°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#1B346E
RGB	rgb(27, 52, 110)
HSL	hsl(222, 61%, 27%)
HSV	hsv(222, 75%, 43%)
CMYK	cmyk(75.5%, 52.7%, 0%, 56.9%)
CIE-LAB	lab(23.05, 12.49, -36.54)
CIE-LCH	lch(23.05, 38.61, 288.87°)
OKLab	oklab(34.1% -0.0109 -0.105)
OKLCH	oklch(34.1% 0.106 264.1)
XYZ	xyz(4.4935, 3.8143, 15.2482)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B346E #6E551B

analogous

#1B5E6E #1B346E #2C1B6E

triadic

#1B346E #6E1B34 #346E1B

tetradic

#1B346E #6E1B5E #6E551B #1B6E2C

square

#1B346E #6E1B5E #6E551B #1B6E2C

split-complementary

#1B346E #6E2C1B #5E6E1B

monochromatic

#060C19 #0F1D3D #1B346E #274B9F #3664CE

Accessibility & contrast

On white

11.91

#1B346E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1B346E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B346E

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B346E	#FFFFFF	#000000	##FFFFFF
##1B346E	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123B70

Deuteranopia (green-blind)

#00336D

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b346e;
/* rgb */ color: rgb(27, 52, 110);
/* oklch */ color: oklch(34.1% 0.106 264.1);

Tailwind

colors: {
  custom: {
    50: '#646b98',
    500: '#1b346e',
    950: '#000000',
  },
}

SCSS

$custom: #1b346e;
$custom-light: #646b98;
$custom-dark: #000000;

JSON

{
  "hex": "#1b346e",
  "rgb": {
    "r": 27,
    "g": 52,
    "b": 110
  },
  "hsl": {
    "h": 221.928,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34097,
    "c": 0.10553,
    "h": 264.1
  },
  "luminance": 0.03815
}

Semantic roles & 50–950 ramp

primary

#1B346E

secondary

#A38642

accent

#B444E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1B346E

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

Preview Lab → · Contrast checker → · Palette generator →