#1A1F97#1A1F97

#1A1F97 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.187 H 269.5°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F97
RGB	rgb(26, 31, 151)
HSL	hsl(238, 71%, 35%)
HSV	hsv(238, 83%, 59%)
CMYK	cmyk(82.8%, 79.5%, 0%, 40.8%)
CIE-LAB	lab(21.70, 41.96, -64.55)
CIE-LCH	lch(21.70, 76.99, 303.03°)
OKLab	oklab(34.29% -0.0016 -0.187)
OKLCH	oklch(34.29% 0.187 269.5)
XYZ	xyz(6.5000, 3.4332, 29.5922)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F97 #97921A

analogous

#1A5E97 #1A1F97 #541A97

triadic

#1A1F97 #971A1F #1F971A

tetradic

#1A1F97 #971A5E #97921A #1A9754

square

#1A1F97 #971A5E #97921A #1A9754

split-complementary

#1A1F97 #97541A #5E971A

monochromatic

#080A2F #111463 #1A1F97 #232ACB #4B51E0

Accessibility & contrast

On white

12.45

#1A1F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1A1F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F97

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F97	#FFFFFF	#000000	##FFFFFF
##1A1F97	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9A

Deuteranopia (green-blind)

#002E95

Tritanopia (blue-blind)

#00445B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a1f97;
/* rgb */ color: rgb(26, 31, 151);
/* oklch */ color: oklch(34.3% 0.187 269.5);

Tailwind

colors: {
  custom: {
    50: '#705db7',
    500: '#1a1f97',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f97;
$custom-light: #705db7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f97",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 151
  },
  "hsl": {
    "h": 237.6,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34293,
    "c": 0.18698,
    "h": 269.5
  },
  "luminance": 0.03434
}

Semantic roles & 50–950 ramp

primary

#1A1F97

secondary

#C2BD4B

accent

#E63AED

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1A1F97

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

Preview Lab → · Contrast checker → · Palette generator →