#1B145C#1B145C

#1B145C is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.122 H 278.0°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B145C
RGB	rgb(27, 20, 92)
HSL	hsl(246, 64%, 22%)
HSV	hsv(246, 78%, 36%)
CMYK	cmyk(70.7%, 78.3%, 0%, 63.9%)
CIE-LAB	lab(12.64, 27.83, -41.67)
CIE-LCH	lch(12.64, 50.10, 303.74°)
OKLab	oklab(25.9% 0.017 -0.1203)
OKLCH	oklch(25.9% 0.122 278)
XYZ	xyz(2.6333, 1.5058, 10.2750)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B145C #555C14

analogous

#14315C #1B145C #3F145C

triadic

#1B145C #5C1B14 #145C1B

tetradic

#1B145C #5C1431 #555C14 #145C3F

square

#1B145C #5C1431 #555C14 #145C3F

split-complementary

#1B145C #5C3F14 #315C14

monochromatic

#070519 #0C092A #1B145C #2A1F8E #392AC1

Accessibility & contrast

On white

16.14

#1B145C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1B145C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B145C

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B145C	#FFFFFF	#000000	##FFFFFF
##1B145C	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245E

Deuteranopia (green-blind)

#001E5B

Tritanopia (blue-blind)

#002836

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1b145c;
/* rgb */ color: rgb(27, 20, 92);
/* oklch */ color: oklch(25.9% 0.122 278.0);

Tailwind

colors: {
  custom: {
    50: '#62538b',
    500: '#1b145c',
    950: '#000000',
  },
}

SCSS

$custom: #1b145c;
$custom-light: #62538b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b145c",
  "rgb": {
    "r": 27,
    "g": 20,
    "b": 92
  },
  "hsl": {
    "h": 245.833,
    "s": 64.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.25896,
    "c": 0.12151,
    "h": 278
  },
  "luminance": 0.01506
}

Semantic roles & 50–950 ramp

primary

#1B145C

secondary

#8B9438

accent

#E741D7

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1B145C

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

Preview Lab → · Contrast checker → · Palette generator →