#1B346F#1B346F

#1B346F is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.107 H 264.2°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B346F
RGB	rgb(27, 52, 111)
HSL	hsl(222, 61%, 27%)
HSV	hsv(222, 76%, 44%)
CMYK	cmyk(75.7%, 53.2%, 0%, 56.5%)
CIE-LAB	lab(23.12, 12.89, -37.06)
CIE-LCH	lch(23.12, 39.24, 289.19°)
OKLab	oklab(34.18% -0.0108 -0.1065)
OKLCH	oklch(34.18% 0.107 264.2)
XYZ	xyz(4.5482, 3.8362, 15.5366)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B346F #6F561B

analogous

#1B5E6F #1B346F #2C1B6F

triadic

#1B346F #6F1B34 #346F1B

tetradic

#1B346F #6F1B5E #6F561B #1B6F2C

square

#1B346F #6F1B5E #6F561B #1B6F2C

split-complementary

#1B346F #6F2C1B #5E6F1B

monochromatic

#060C19 #0F1D3E #1B346F #274BA0 #3663CE

Accessibility & contrast

On white

11.88

#1B346F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1B346F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B346F

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B346F	#FFFFFF	#000000	##FFFFFF
##1B346F	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103B71

Deuteranopia (green-blind)

#00336E

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b346f;
/* rgb */ color: rgb(27, 52, 111);
/* oklch */ color: oklch(34.2% 0.107 264.2);

Tailwind

colors: {
  custom: {
    50: '#646b99',
    500: '#1b346f',
    950: '#000000',
  },
}

SCSS

$custom: #1b346f;
$custom-light: #646b99;
$custom-dark: #000000;

JSON

{
  "hex": "#1b346f",
  "rgb": {
    "r": 27,
    "g": 52,
    "b": 111
  },
  "hsl": {
    "h": 222.143,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34177,
    "c": 0.10704,
    "h": 264.2
  },
  "luminance": 0.03837
}

Semantic roles & 50–950 ramp

primary

#1B346F

secondary

#A48742

accent

#B444E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1B346F

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

Preview Lab → · Contrast checker → · Palette generator →