#1F216F#1F216F

#1F216F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.5% C 0.131 H 274.3°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#1F216F
RGB	rgb(31, 33, 111)
HSL	hsl(239, 56%, 28%)
HSV	hsv(239, 72%, 44%)
CMYK	cmyk(72.1%, 70.3%, 0%, 56.5%)
CIE-LAB	lab(18.04, 26.87, -45.32)
CIE-LCH	lch(18.04, 52.69, 300.67°)
OKLab	oklab(30.45% 0.0098 -0.1309)
OKLCH	oklch(30.45% 0.131 274.3)
XYZ	xyz(3.9772, 2.5263, 15.3139)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F216F #6F6D1F

analogous

#1F496F #1F216F #451F6F

triadic

#1F216F #6F1F21 #216F1F

tetradic

#1F216F #6F1F49 #6F6D1F #1F6F45

square

#1F216F #6F1F49 #6F6D1F #1F6F45

split-complementary

#1F216F #6F451F #496F1F

monochromatic

#070718 #12133F #1F216F #2C2F9F #3F42C9

Accessibility & contrast

On white

13.95

#1F216F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1F216F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F216F

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F216F	#FFFFFF	#000000	##FFFFFF
##1F216F	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003071

Deuteranopia (green-blind)

#00286E

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1f216f;
/* rgb */ color: rgb(31, 33, 111);
/* oklch */ color: oklch(30.5% 0.131 274.3);

Tailwind

colors: {
  custom: {
    50: '#675c99',
    500: '#1f216f',
    950: '#000000',
  },
}

SCSS

$custom: #1f216f;
$custom-light: #675c99;
$custom-dark: #000000;

JSON

{
  "hex": "#1f216f",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 111
  },
  "hsl": {
    "h": 238.5,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30452,
    "c": 0.13127,
    "h": 274.3
  },
  "luminance": 0.02527
}

Semantic roles & 50–950 ramp

primary

#1F216F

secondary

#A3A147

accent

#DC48E0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1F216F

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

Preview Lab → · Contrast checker → · Palette generator →