#1A1F8E#1A1F8E

#1A1F8E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.176 H 270.0°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F8E
RGB	rgb(26, 31, 142)
HSL	hsl(237, 69%, 33%)
HSV	hsv(237, 82%, 56%)
CMYK	cmyk(81.7%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(20.64, 38.87, -60.73)
CIE-LCH	lch(20.64, 72.10, 302.62°)
OKLab	oklab(33.24% 0 -0.1759)
OKLCH	oklch(33.24% 0.176 270)
XYZ	xyz(5.7968, 3.1519, 25.8888)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F8E #8E891A

analogous

#1A598E #1A1F8E #4F1A8E

triadic

#1A1F8E #8E1A1F #1F8E1A

tetradic

#1A1F8E #8E1A59 #8E891A #1A8E4F

square

#1A1F8E #8E1A59 #8E891A #1A8E4F

split-complementary

#1A1F8E #8E4F1A #598E1A

monochromatic

#070827 #11145A #1A1F8E #232AC2 #454CDD

Accessibility & contrast

On white

12.88

#1A1F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1A1F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F8E

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F8E	#FFFFFF	#000000	##FFFFFF
##1A1F8E	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002C8C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a1f8e;
/* rgb */ color: rgb(26, 31, 142);
/* oklch */ color: oklch(33.2% 0.176 270.0);

Tailwind

colors: {
  custom: {
    50: '#6e5cb0',
    500: '#1a1f8e',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f8e;
$custom-light: #6e5cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f8e",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 237.414,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33237,
    "c": 0.17589,
    "h": 270
  },
  "luminance": 0.03153
}

Semantic roles & 50–950 ramp

primary

#1A1F8E

secondary

#BEB945

accent

#E43CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1A1F8E

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

Preview Lab → · Contrast checker → · Palette generator →