#1B146F#1B146F

#1B146F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.147 H 274.8°. Best body text is #FFFFFF at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#1B146F
RGB	rgb(27, 20, 111)
HSL	hsl(245, 69%, 26%)
HSV	hsv(245, 82%, 44%)
CMYK	cmyk(75.7%, 82%, 0%, 56.5%)
CIE-LAB	lab(14.85, 34.49, -50.59)
CIE-LCH	lch(14.85, 61.23, 304.28°)
OKLab	oklab(28.1% 0.0123 -0.1463)
OKLCH	oklch(28.1% 0.147 274.8)
XYZ	xyz(3.5704, 1.8807, 15.2107)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B146F #686F14

analogous

#143A6F #1B146F #48146F

triadic

#1B146F #6F1B14 #146F1B

tetradic

#1B146F #6F143A #686F14 #146F48

square

#1B146F #6F143A #686F14 #146F48

split-complementary

#1B146F #6F4814 #3A6F14

monochromatic

#06051A #0E0B3B #1B146F #281DA3 #3427D7

Accessibility & contrast

On white

15.26

#1B146F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1B146F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B146F

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B146F	#FFFFFF	#000000	##FFFFFF
##1B146F	1.00	15.26	1.38	15.26
#FFFFFF	15.26	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002972

Deuteranopia (green-blind)

#00216D

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1b146f;
/* rgb */ color: rgb(27, 20, 111);
/* oklch */ color: oklch(28.1% 0.147 274.8);

Tailwind

colors: {
  custom: {
    50: '#675499',
    500: '#1b146f',
    950: '#000000',
  },
}

SCSS

$custom: #1b146f;
$custom-light: #675499;
$custom-dark: #000000;

JSON

{
  "hex": "#1b146f",
  "rgb": {
    "r": 27,
    "g": 20,
    "b": 111
  },
  "hsl": {
    "h": 244.615,
    "s": 69.466,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28103,
    "c": 0.14681,
    "h": 274.8
  },
  "luminance": 0.01881
}

Semantic roles & 50–950 ramp

primary

#1B146F

secondary

#9DA639

accent

#EC3CDF

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1B146F

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

Preview Lab → · Contrast checker → · Palette generator →