#1F1A6F#1F1A6F

#1F1A6F is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.140 H 276.0°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F1A6F
RGB	rgb(31, 26, 111)
HSL	hsl(244, 62%, 27%)
HSV	hsv(244, 77%, 44%)
CMYK	cmyk(72.1%, 76.6%, 0%, 56.5%)
CIE-LAB	lab(16.39, 31.39, -48.03)
CIE-LCH	lch(16.39, 57.38, 303.17°)
OKLab	oklab(29.27% 0.0146 -0.1388)
OKLCH	oklch(29.27% 0.14 276)
XYZ	xyz(3.8028, 2.1774, 15.2557)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1A6F #6A6F1A

analogous

#1A406F #1F1A6F #4A1A6F

triadic

#1F1A6F #6F1F1A #1A6F1F

tetradic

#1F1A6F #6F1A40 #6A6F1A #1A6F4A

square

#1F1A6F #6F1A40 #6A6F1A #1A6F4A

split-complementary

#1F1A6F #6F4A1A #406F1A

monochromatic

#070619 #110E3D #1F1A6F #2D26A1 #3D34CF

Accessibility & contrast

On white

14.63

#1F1A6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1F1A6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1A6F

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1A6F	#FFFFFF	#000000	##FFFFFF
##1F1A6F	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C71

Deuteranopia (green-blind)

#00256D

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1f1a6f;
/* rgb */ color: rgb(31, 26, 111);
/* oklch */ color: oklch(29.3% 0.140 276.0);

Tailwind

colors: {
  custom: {
    50: '#685899',
    500: '#1f1a6f',
    950: '#000000',
  },
}

SCSS

$custom: #1f1a6f;
$custom-light: #685899;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1a6f",
  "rgb": {
    "r": 31,
    "g": 26,
    "b": 111
  },
  "hsl": {
    "h": 243.529,
    "s": 62.044,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29271,
    "c": 0.13957,
    "h": 276
  },
  "luminance": 0.02178
}

Semantic roles & 50–950 ramp

primary

#1F1A6F

secondary

#9EA441

accent

#E543DC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1A6F

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

Preview Lab → · Contrast checker → · Palette generator →