#1B146C#1B146C

#1B146C is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.143 H 275.2°. Best body text is #FFFFFF at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#1B146C
RGB	rgb(27, 20, 108)
HSL	hsl(245, 69%, 25%)
HSV	hsv(245, 81%, 42%)
CMYK	cmyk(75%, 81.5%, 0%, 57.6%)
CIE-LAB	lab(14.49, 33.46, -49.23)
CIE-LCH	lch(14.49, 59.52, 304.20°)
OKLab	oklab(27.74% 0.013 -0.1423)
OKLCH	oklch(27.74% 0.143 275.2)
XYZ	xyz(3.4080, 1.8157, 14.3553)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B146C #656C14

analogous

#14396C #1B146C #47146C

triadic

#1B146C #6C1B14 #146C1B

tetradic

#1B146C #6C1439 #656C14 #146C47

square

#1B146C #6C1439 #656C14 #146C47

split-complementary

#1B146C #6C4714 #396C14

monochromatic

#06051A #0E0A38 #1B146C #281EA0 #3527D3

Accessibility & contrast

On white

15.40

#1B146C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1B146C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B146C

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B146C	#FFFFFF	#000000	##FFFFFF
##1B146C	1.00	15.40	1.36	15.40
#FFFFFF	15.40	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286E

Deuteranopia (green-blind)

#00216A

Tritanopia (blue-blind)

#002E3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1b146c;
/* rgb */ color: rgb(27, 20, 108);
/* oklch */ color: oklch(27.7% 0.143 275.2);

Tailwind

colors: {
  custom: {
    50: '#665497',
    500: '#1b146c',
    950: '#000000',
  },
}

SCSS

$custom: #1b146c;
$custom-light: #665497;
$custom-dark: #000000;

JSON

{
  "hex": "#1b146c",
  "rgb": {
    "r": 27,
    "g": 20,
    "b": 108
  },
  "hsl": {
    "h": 244.773,
    "s": 68.75,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27745,
    "c": 0.14294,
    "h": 275.2
  },
  "luminance": 0.01816
}

Semantic roles & 50–950 ramp

primary

#1B146C

secondary

#9AA339

accent

#EC3CDE

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1B146C

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

Preview Lab → · Contrast checker → · Palette generator →