#1A1F87#1A1F87

#1A1F87 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.167 H 270.4°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#1A1F87
RGB	rgb(26, 31, 135)
HSL	hsl(237, 68%, 32%)
HSV	hsv(237, 81%, 53%)
CMYK	cmyk(80.7%, 77%, 0%, 47.1%)
CIE-LAB	lab(19.84, 36.41, -57.68)
CIE-LCH	lch(19.84, 68.21, 302.26°)
OKLab	oklab(32.43% 0.0013 -0.1671)
OKLCH	oklch(32.43% 0.167 270.4)
XYZ	xyz(5.2877, 2.9483, 23.2074)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1F87 #87821A

analogous

#1A5687 #1A1F87 #4C1A87

triadic

#1A1F87 #871A1F #1F871A

tetradic

#1A1F87 #871A56 #87821A #1A874C

square

#1A1F87 #871A56 #87821A #1A874C

split-complementary

#1A1F87 #874C1A #56871A

monochromatic

#060720 #101354 #1A1F87 #242BBA #4148DA

Accessibility & contrast

On white

13.21

#1A1F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1A1F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1F87

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1F87	#FFFFFF	#000000	##FFFFFF
##1A1F87	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358A

Deuteranopia (green-blind)

#002A85

Tritanopia (blue-blind)

#003E51

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1a1f87;
/* rgb */ color: rgb(26, 31, 135);
/* oklch */ color: oklch(32.4% 0.167 270.4);

Tailwind

colors: {
  custom: {
    50: '#6c5cab',
    500: '#1a1f87',
    950: '#000000',
  },
}

SCSS

$custom: #1a1f87;
$custom-light: #6c5cab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1f87",
  "rgb": {
    "r": 26,
    "g": 31,
    "b": 135
  },
  "hsl": {
    "h": 237.248,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32429,
    "c": 0.16706,
    "h": 270.4
  },
  "luminance": 0.02949
}

Semantic roles & 50–950 ramp

primary

#1A1F87

secondary

#BAB542

accent

#E33DEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1A1F87

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

Preview Lab → · Contrast checker → · Palette generator →