#1B1A89#1B1A89

#1B1A89 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.0% C 0.174 H 271.2°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B1A89
RGB	rgb(27, 26, 137)
HSL	hsl(241, 68%, 32%)
HSV	hsv(241, 81%, 54%)
CMYK	cmyk(80.3%, 81%, 0%, 46.3%)
CIE-LAB	lab(19.13, 40.03, -60.11)
CIE-LCH	lch(19.13, 72.21, 303.66°)
OKLab	oklab(32.02% 0.0038 -0.174)
OKLCH	oklch(32.02% 0.174 271.2)
XYZ	xyz(5.3352, 2.7773, 23.9170)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1A89 #88891A

analogous

#1A5089 #1B1A89 #531A89

triadic

#1B1A89 #891B1A #1A891B

tetradic

#1B1A89 #891A50 #88891A #1A8953

square

#1B1A89 #891A50 #88891A #1A8953

split-complementary

#1B1A89 #89531A #50891A

monochromatic

#070622 #111056 #1B1A89 #2524BC #4442DB

Accessibility & contrast

On white

13.50

#1B1A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1B1A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1A89

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1A89	#FFFFFF	#000000	##FFFFFF
##1B1A89	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348C

Deuteranopia (green-blind)

#002987

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b1a89;
/* rgb */ color: rgb(27, 26, 137);
/* oklch */ color: oklch(32.0% 0.174 271.2);

Tailwind

colors: {
  custom: {
    50: '#6d59ad',
    500: '#1b1a89',
    950: '#000000',
  },
}

SCSS

$custom: #1b1a89;
$custom-light: #6d59ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1a89",
  "rgb": {
    "r": 27,
    "g": 26,
    "b": 137
  },
  "hsl": {
    "h": 240.541,
    "s": 68.098,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32015,
    "c": 0.17405,
    "h": 271.2
  },
  "luminance": 0.02778
}

Semantic roles & 50–950 ramp

primary

#1B1A89

secondary

#BBBC43

accent

#EB3DE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1B1A89

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

Preview Lab → · Contrast checker → · Palette generator →