#1F167A#1F167A

#1F167A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.158 H 275.1°. Best body text is #FFFFFF at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F167A
RGB	rgb(31, 22, 122)
HSL	hsl(245, 69%, 28%)
HSV	hsv(245, 82%, 48%)
CMYK	cmyk(74.6%, 82%, 0%, 52.2%)
CIE-LAB	lab(16.84, 37.47, -54.38)
CIE-LCH	lch(16.84, 66.04, 304.57°)
OKLab	oklab(29.96% 0.0141 -0.1572)
OKLCH	oklch(29.96% 0.158 275.1)
XYZ	xyz(4.3637, 2.2698, 18.6167)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F167A #717A16

analogous

#163F7A #1F167A #51167A

triadic

#1F167A #7A1F16 #167A1F

tetradic

#1F167A #7A163F #717A16 #167A51

square

#1F167A #7A163F #717A16 #167A51

split-complementary

#1F167A #7A5116 #3F7A16

monochromatic

#07051A #120D46 #1F167A #2C1FAE #4031DA

Accessibility & contrast

On white

14.44

#1F167A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1F167A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F167A

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F167A	#FFFFFF	#000000	##FFFFFF
##1F167A	1.00	14.44	1.45	14.44
#FFFFFF	14.44	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7D

Deuteranopia (green-blind)

#002578

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f167a;
/* rgb */ color: rgb(31, 22, 122);
/* oklch */ color: oklch(30.0% 0.158 275.1);

Tailwind

colors: {
  custom: {
    50: '#6b56a2',
    500: '#1f167a',
    950: '#000000',
  },
}

SCSS

$custom: #1f167a;
$custom-light: #6b56a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f167a",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 122
  },
  "hsl": {
    "h": 245.4,
    "s": 69.444,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29962,
    "c": 0.15787,
    "h": 275.1
  },
  "luminance": 0.0227
}

Semantic roles & 50–950 ramp

primary

#1F167A

secondary

#A5AF3D

accent

#EC3CDC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1F167A

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

Preview Lab → · Contrast checker → · Palette generator →