#1F1A89#1F1A89

#1F1A89 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.173 H 272.9°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F1A89
RGB	rgb(31, 26, 137)
HSL	hsl(243, 68%, 32%)
HSV	hsv(243, 81%, 54%)
CMYK	cmyk(77.4%, 81%, 0%, 46.3%)
CIE-LAB	lab(19.37, 40.31, -59.69)
CIE-LCH	lch(19.37, 72.03, 304.03°)
OKLab	oklab(32.25% 0.0087 -0.1727)
OKLCH	oklch(32.25% 0.173 272.9)
XYZ	xyz(5.4483, 2.8357, 23.9223)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1A89 #84891A

analogous

#1A4C89 #1F1A89 #571A89

triadic

#1F1A89 #891F1A #1A891F

tetradic

#1F1A89 #891A4C #84891A #1A8957

square

#1F1A89 #891A4C #84891A #1A8957

split-complementary

#1F1A89 #89571A #4C891A

monochromatic

#080622 #131056 #1F1A89 #2B24BC #4942DB

Accessibility & contrast

On white

13.40

#1F1A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1F1A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1A89

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1A89	#FFFFFF	#000000	##FFFFFF
##1F1A89	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348C

Deuteranopia (green-blind)

#002987

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f1a89;
/* rgb */ color: rgb(31, 26, 137);
/* oklch */ color: oklch(32.3% 0.173 272.9);

Tailwind

colors: {
  custom: {
    50: '#6e59ad',
    500: '#1f1a89',
    950: '#000000',
  },
}

SCSS

$custom: #1f1a89;
$custom-light: #6e59ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1a89",
  "rgb": {
    "r": 31,
    "g": 26,
    "b": 137
  },
  "hsl": {
    "h": 242.703,
    "s": 68.098,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32251,
    "c": 0.17295,
    "h": 272.9
  },
  "luminance": 0.02836
}

Semantic roles & 50–950 ramp

primary

#1F1A89

secondary

#B7BC43

accent

#EB3DE3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #1F1A89

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

Preview Lab → · Contrast checker → · Palette generator →