#1F216C#1F216C

#1F216C is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.1% C 0.127 H 274.6°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F216C
RGB	rgb(31, 33, 108)
HSL	hsl(238, 55%, 27%)
HSV	hsv(238, 71%, 42%)
CMYK	cmyk(71.3%, 69.4%, 0%, 57.6%)
CIE-LAB	lab(17.74, 25.75, -43.86)
CIE-LCH	lch(17.74, 50.86, 300.42°)
OKLab	oklab(30.15% 0.0101 -0.1266)
OKLCH	oklch(30.15% 0.127 274.6)
XYZ	xyz(3.8148, 2.4614, 14.4585)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F216C #6C6A1F

analogous

#1F476C #1F216C #441F6C

triadic

#1F216C #6C1F21 #216C1F

tetradic

#1F216C #6C1F47 #6C6A1F #1F6C44

square

#1F216C #6C1F47 #6C6A1F #1F6C44

split-complementary

#1F216C #6C441F #476C1F

monochromatic

#070718 #11123C #1F216C #2D309C #3E41C8

Accessibility & contrast

On white

14.07

#1F216C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1F216C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F216C

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F216C	#FFFFFF	#000000	##FFFFFF
##1F216C	1.00	14.07	1.49	14.07
#FFFFFF	14.07	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6E

Deuteranopia (green-blind)

#00286B

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1f216c;
/* rgb */ color: rgb(31, 33, 108);
/* oklch */ color: oklch(30.1% 0.127 274.6);

Tailwind

colors: {
  custom: {
    50: '#665c97',
    500: '#1f216c',
    950: '#000000',
  },
}

SCSS

$custom: #1f216c;
$custom-light: #665c97;
$custom-dark: #000000;

JSON

{
  "hex": "#1f216c",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 108
  },
  "hsl": {
    "h": 238.442,
    "s": 55.396,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30148,
    "c": 0.12702,
    "h": 274.6
  },
  "luminance": 0.02462
}

Semantic roles & 50–950 ramp

primary

#1F216C

secondary

#A09E47

accent

#DB49DF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #1F216C

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

Preview Lab → · Contrast checker → · Palette generator →