#1F1679#1F1679

#1F1679 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.157 H 275.3°. Best body text is #FFFFFF at 14.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F1679
RGB	rgb(31, 22, 121)
HSL	hsl(245, 69%, 28%)
HSV	hsv(245, 82%, 47%)
CMYK	cmyk(74.4%, 81.8%, 0%, 52.5%)
CIE-LAB	lab(16.72, 37.13, -53.93)
CIE-LCH	lch(16.72, 65.48, 304.55°)
OKLab	oklab(29.84% 0.0144 -0.1559)
OKLCH	oklch(29.84% 0.157 275.3)
XYZ	xyz(4.3020, 2.2452, 18.2921)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1679 #707916

analogous

#163E79 #1F1679 #511679

triadic

#1F1679 #791F16 #16791F

tetradic

#1F1679 #79163E #707916 #167951

square

#1F1679 #79163E #707916 #167951

split-complementary

#1F1679 #795116 #3E7916

monochromatic

#07051A #120D45 #1F1679 #2C1FAD #3F30D9

Accessibility & contrast

On white

14.49

#1F1679 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1F1679 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1679

14.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1679	#FFFFFF	#000000	##FFFFFF
##1F1679	1.00	14.49	1.45	14.49
#FFFFFF	14.49	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7C

Deuteranopia (green-blind)

#002577

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1f1679;
/* rgb */ color: rgb(31, 22, 121);
/* oklch */ color: oklch(29.8% 0.157 275.3);

Tailwind

colors: {
  custom: {
    50: '#6b56a1',
    500: '#1f1679',
    950: '#000000',
  },
}

SCSS

$custom: #1f1679;
$custom-light: #6b56a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1679",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 121
  },
  "hsl": {
    "h": 245.455,
    "s": 69.231,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29844,
    "c": 0.15661,
    "h": 275.3
  },
  "luminance": 0.02246
}

Semantic roles & 50–950 ramp

primary

#1F1679

secondary

#A4AE3D

accent

#EC3CDC

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1F1679

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

Preview Lab → · Contrast checker → · Palette generator →