#1B146D#1B146D

#1B146D is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.9% C 0.144 H 275.1°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B146D
RGB	rgb(27, 20, 109)
HSL	hsl(245, 69%, 25%)
HSV	hsv(245, 82%, 43%)
CMYK	cmyk(75.2%, 81.7%, 0%, 57.3%)
CIE-LAB	lab(14.61, 33.80, -49.68)
CIE-LCH	lch(14.61, 60.09, 304.23°)
OKLab	oklab(27.86% 0.0128 -0.1437)
OKLCH	oklch(27.86% 0.144 275.1)
XYZ	xyz(3.4616, 1.8371, 14.6372)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B146D #666D14

analogous

#14396D #1B146D #47146D

triadic

#1B146D #6D1B14 #146D1B

tetradic

#1B146D #6D1439 #666D14 #146D47

square

#1B146D #6D1439 #666D14 #146D47

split-complementary

#1B146D #6D4714 #396D14

monochromatic

#06051A #0E0B39 #1B146D #281DA1 #3527D4

Accessibility & contrast

On white

15.36

#1B146D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1B146D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B146D

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B146D	#FFFFFF	#000000	##FFFFFF
##1B146D	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002970

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#002F40

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1b146d;
/* rgb */ color: rgb(27, 20, 109);
/* oklch */ color: oklch(27.9% 0.144 275.1);

Tailwind

colors: {
  custom: {
    50: '#665498',
    500: '#1b146d',
    950: '#000000',
  },
}

SCSS

$custom: #1b146d;
$custom-light: #665498;
$custom-dark: #000000;

JSON

{
  "hex": "#1b146d",
  "rgb": {
    "r": 27,
    "g": 20,
    "b": 109
  },
  "hsl": {
    "h": 244.719,
    "s": 68.992,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27864,
    "c": 0.14424,
    "h": 275.1
  },
  "luminance": 0.01837
}

Semantic roles & 50–950 ramp

primary

#1B146D

secondary

#9BA439

accent

#EC3CDE

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1B146D

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

Preview Lab → · Contrast checker → · Palette generator →