#1A1F89#1A1F89

#1A1F89 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.170 H 270.3°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F89
RGB	rgb(26, 31, 137)
HSL	hsl(237, 68%, 32%)
HSV	hsv(237, 81%, 54%)
CMYK	cmyk(81%, 77.4%, 0%, 46.3%)
CIE-LAB	lab(20.06, 37.12, -58.56)
CIE-LCH	lch(20.06, 69.33, 302.37°)
OKLab	oklab(32.66% 0.0009 -0.1696)
OKLCH	oklch(32.66% 0.17 270.3)
XYZ	xyz(5.4298, 3.0051, 23.9559)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F89 #89841A

analogous

#1A5789 #1A1F89 #4C1A89

triadic

#1A1F89 #891A1F #1F891A

tetradic

#1A1F89 #891A57 #89841A #1A894C

square

#1A1F89 #891A57 #89841A #1A894C

split-complementary

#1A1F89 #894C1A #57891A

monochromatic

#060822 #101356 #1A1F89 #242BBC #4249DB

Accessibility & contrast

On white

13.12

#1A1F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1A1F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F89

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F89	#FFFFFF	#000000	##FFFFFF
##1A1F89	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368C

Deuteranopia (green-blind)

#002B87

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1a1f89;
/* rgb */ color: rgb(26, 31, 137);
/* oklch */ color: oklch(32.7% 0.170 270.3);

Tailwind

colors: {
  custom: {
    50: '#6c5cad',
    500: '#1a1f89',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f89;
$custom-light: #6c5cad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f89",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 137
  },
  "hsl": {
    "h": 237.297,
    "s": 68.098,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32659,
    "c": 0.1696,
    "h": 270.3
  },
  "luminance": 0.03006
}

Semantic roles & 50–950 ramp

primary

#1A1F89

secondary

#BCB743

accent

#E33DEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1A1F89

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

Preview Lab → · Contrast checker → · Palette generator →