#1A1B7B#1A1B7B

#1A1B7B is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.156 H 271.9°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#1A1B7B
RGB	rgb(26, 27, 123)
HSL	hsl(239, 65%, 29%)
HSV	hsv(239, 79%, 48%)
CMYK	cmyk(78.9%, 78%, 0%, 51.8%)
CIE-LAB	lab(17.61, 34.54, -53.76)
CIE-LCH	lch(17.61, 63.89, 302.72°)
OKLab	oklab(30.45% 0.0051 -0.1556)
OKLCH	oklch(30.45% 0.156 271.9)
XYZ	xyz(4.3919, 2.4331, 18.9732)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1B7B #7B7A1A

analogous

#1A4C7B #1A1B7B #4A1A7B

triadic

#1A1B7B #7B1A1B #1B7B1A

tetradic

#1A1B7B #7B1A4C #7B7A1A #1A7B4A

square

#1A1B7B #7B1A4C #7B7A1A #1A7B4A

split-complementary

#1A1B7B #7B4A1A #4C7B1A

monochromatic

#050619 #0F1048 #1A1B7B #2526AE #3A3CD5

Accessibility & contrast

On white

14.12

#1A1B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1A1B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1B7B

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1B7B	#FFFFFF	#000000	##FFFFFF
##1A1B7B	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307E

Deuteranopia (green-blind)

#002679

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a1b7b;
/* rgb */ color: rgb(26, 27, 123);
/* oklch */ color: oklch(30.4% 0.156 271.9);

Tailwind

colors: {
  custom: {
    50: '#6959a2',
    500: '#1a1b7b',
    950: '#000000',
  },
}

SCSS

$custom: #1a1b7b;
$custom-light: #6959a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1b7b",
  "rgb": {
    "r": 26,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 239.381,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30447,
    "c": 0.15569,
    "h": 271.9
  },
  "luminance": 0.02434
}

Semantic roles & 50–950 ramp

primary

#1A1B7B

secondary

#AFAE42

accent

#E640E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #1A1B7B

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

Preview Lab → · Contrast checker → · Palette generator →