#1B145E#1B145E

#1B145E is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.1% C 0.124 H 277.6°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B145E
RGB	rgb(27, 20, 94)
HSL	hsl(246, 65%, 22%)
HSV	hsv(246, 79%, 37%)
CMYK	cmyk(71.3%, 78.7%, 0%, 63.1%)
CIE-LAB	lab(12.87, 28.54, -42.64)
CIE-LCH	lch(12.87, 51.31, 303.80°)
OKLab	oklab(26.12% 0.0165 -0.1232)
OKLCH	oklch(26.12% 0.124 277.6)
XYZ	xyz(2.7219, 1.5412, 10.7416)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B145E #575E14

analogous

#14325E #1B145E #40145E

triadic

#1B145E #5E1B14 #145E1B

tetradic

#1B145E #5E1432 #575E14 #145E40

square

#1B145E #5E1432 #575E14 #145E40

split-complementary

#1B145E #5E4014 #325E14

monochromatic

#070519 #0D092C #1B145E #291F90 #3829C3

Accessibility & contrast

On white

16.05

#1B145E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1B145E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B145E

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B145E	#FFFFFF	#000000	##FFFFFF
##1B145E	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002460

Deuteranopia (green-blind)

#001E5D

Tritanopia (blue-blind)

#002938

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1b145e;
/* rgb */ color: rgb(27, 20, 94);
/* oklch */ color: oklch(26.1% 0.124 277.6);

Tailwind

colors: {
  custom: {
    50: '#62538d',
    500: '#1b145e',
    950: '#000000',
  },
}

SCSS

$custom: #1b145e;
$custom-light: #62538d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b145e",
  "rgb": {
    "r": 27,
    "g": 20,
    "b": 94
  },
  "hsl": {
    "h": 245.676,
    "s": 64.912,
    "l": 22.353
  },
  "oklch": {
    "l": 0.26121,
    "c": 0.12426,
    "h": 277.6
  },
  "luminance": 0.01541
}

Semantic roles & 50–950 ramp

primary

#1B145E

secondary

#8D9638

accent

#E840D8

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1B145E

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

Preview Lab → · Contrast checker → · Palette generator →