#1A1B79#1A1B79

#1A1B79 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.153 H 272.1°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#1A1B79
RGB	rgb(26, 27, 121)
HSL	hsl(239, 65%, 29%)
HSV	hsv(239, 79%, 47%)
CMYK	cmyk(78.5%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(17.38, 33.82, -52.86)
CIE-LCH	lch(17.38, 62.75, 302.62°)
OKLab	oklab(30.22% 0.0055 -0.153)
OKLCH	oklch(30.22% 0.153 272.1)
XYZ	xyz(4.2680, 2.3835, 18.3206)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1B79 #79781A

analogous

#1A4B79 #1A1B79 #491A79

triadic

#1A1B79 #791A1B #1B791A

tetradic

#1A1B79 #791A4B #79781A #1A7949

square

#1A1B79 #791A4B #79781A #1A7949

split-complementary

#1A1B79 #79491A #4B791A

monochromatic

#050619 #0F1047 #1A1B79 #2526AB #393BD4

Accessibility & contrast

On white

14.22

#1A1B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1A1B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1B79

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1B79	#FFFFFF	#000000	##FFFFFF
##1A1B79	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7C

Deuteranopia (green-blind)

#002677

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a1b79;
/* rgb */ color: rgb(26, 27, 121);
/* oklch */ color: oklch(30.2% 0.153 272.1);

Tailwind

colors: {
  custom: {
    50: '#6859a1',
    500: '#1a1b79',
    950: '#000000',
  },
}

SCSS

$custom: #1a1b79;
$custom-light: #6859a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1b79",
  "rgb": {
    "r": 26,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 239.368,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30217,
    "c": 0.1531,
    "h": 272.1
  },
  "luminance": 0.02384
}

Semantic roles & 50–950 ramp

primary

#1A1B79

secondary

#ADAC41

accent

#E640E8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #1A1B79

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

Preview Lab → · Contrast checker → · Palette generator →