#1F1073#1F1073

#1F1073 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.154 H 277.0°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#1F1073
RGB	rgb(31, 16, 115)
HSL	hsl(249, 76%, 26%)
HSV	hsv(249, 86%, 45%)
CMYK	cmyk(73%, 86.1%, 0%, 54.9%)
CIE-LAB	lab(14.95, 38.22, -53.01)
CIE-LCH	lch(14.95, 65.35, 305.79°)
OKLab	oklab(28.4% 0.0188 -0.1532)
OKLCH	oklch(28.4% 0.154 277)
XYZ	xyz(3.8439, 1.8993, 16.3804)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1073 #647310

analogous

#103273 #1F1073 #501073

triadic

#1F1073 #731F10 #10731F

tetradic

#1F1073 #731032 #647310 #107350

square

#1F1073 #731032 #647310 #107350

split-complementary

#1F1073 #735010 #327310

monochromatic

#07041B #11093D #1F1073 #2D17A9 #3C1FDE

Accessibility & contrast

On white

15.22

#1F1073 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F1073 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1073

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1073	#FFFFFF	#000000	##FFFFFF
##1F1073	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002976

Deuteranopia (green-blind)

#002171

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f1073;
/* rgb */ color: rgb(31, 16, 115);
/* oklch */ color: oklch(28.4% 0.154 277.0);

Tailwind

colors: {
  custom: {
    50: '#6a529c',
    500: '#1f1073',
    950: '#000000',
  },
}

SCSS

$custom: #1f1073;
$custom-light: #6a529c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1073",
  "rgb": {
    "r": 31,
    "g": 16,
    "b": 115
  },
  "hsl": {
    "h": 249.091,
    "s": 75.573,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28399,
    "c": 0.1543,
    "h": 277
  },
  "luminance": 0.019
}

Semantic roles & 50–950 ramp

primary

#1F1073

secondary

#98AA34

accent

#F236D6

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F1073

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

Preview Lab → · Contrast checker → · Palette generator →