#1F216D#1F216D

#1F216D is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.2% C 0.128 H 274.5°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#1F216D
RGB	rgb(31, 33, 109)
HSL	hsl(238, 56%, 27%)
HSV	hsv(238, 72%, 43%)
CMYK	cmyk(71.6%, 69.7%, 0%, 57.3%)
CIE-LAB	lab(17.84, 26.12, -44.35)
CIE-LCH	lch(17.84, 51.47, 300.50°)
OKLab	oklab(30.25% 0.01 -0.1281)
OKLCH	oklch(30.25% 0.128 274.5)
XYZ	xyz(3.8683, 2.4828, 14.7404)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F216D #6D6B1F

analogous

#1F486D #1F216D #441F6D

triadic

#1F216D #6D1F21 #216D1F

tetradic

#1F216D #6D1F48 #6D6B1F #1F6D44

square

#1F216D #6D1F48 #6D6B1F #1F6D44

split-complementary

#1F216D #6D441F #486D1F

monochromatic

#070718 #11133D #1F216D #2D2F9D #3E42C8

Accessibility & contrast

On white

14.03

#1F216D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1F216D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F216D

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F216D	#FFFFFF	#000000	##FFFFFF
##1F216D	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6F

Deuteranopia (green-blind)

#00286C

Tritanopia (blue-blind)

#003544

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1f216d;
/* rgb */ color: rgb(31, 33, 109);
/* oklch */ color: oklch(30.2% 0.128 274.5);

Tailwind

colors: {
  custom: {
    50: '#675c98',
    500: '#1f216d',
    950: '#000000',
  },
}

SCSS

$custom: #1f216d;
$custom-light: #675c98;
$custom-dark: #000000;

JSON

{
  "hex": "#1f216d",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 109
  },
  "hsl": {
    "h": 238.462,
    "s": 55.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.30249,
    "c": 0.12845,
    "h": 274.5
  },
  "luminance": 0.02483
}

Semantic roles & 50–950 ramp

primary

#1F216D

secondary

#A19F47

accent

#DB49DF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1F216D

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

Preview Lab → · Contrast checker → · Palette generator →