#1F208D#1F208D

#1F208D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.172 H 271.8°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#1F208D
RGB	rgb(31, 32, 141)
HSL	hsl(239, 64%, 34%)
HSV	hsv(239, 78%, 55%)
CMYK	cmyk(78%, 77.3%, 0%, 44.7%)
CIE-LAB	lab(21.01, 38.33, -59.49)
CIE-LCH	lch(21.01, 70.77, 302.79°)
OKLab	oklab(33.54% 0.0055 -0.1722)
OKLCH	oklch(33.54% 0.172 271.8)
XYZ	xyz(5.8877, 3.2468, 25.5105)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F208D #8D8C1F

analogous

#1F578D #1F208D #551F8D

triadic

#1F208D #8D1F20 #208D1F

tetradic

#1F208D #8D1F57 #8D8C1F #1F8D55

square

#1F208D #8D1F57 #8D8C1F #1F8D55

split-complementary

#1F208D #8D551F #578D1F

monochromatic

#090929 #14155B #1F208D #2A2BBF #4E50D8

Accessibility & contrast

On white

12.73

#1F208D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1F208D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F208D

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F208D	#FFFFFF	#000000	##FFFFFF
##1F208D	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#002D8B

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f208d;
/* rgb */ color: rgb(31, 32, 141);
/* oklch */ color: oklch(33.5% 0.172 271.8);

Tailwind

colors: {
  custom: {
    50: '#6f5db0',
    500: '#1f208d',
    950: '#000000',
  },
}

SCSS

$custom: #1f208d;
$custom-light: #6f5db0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f208d",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 141
  },
  "hsl": {
    "h": 239.455,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33536,
    "c": 0.17231,
    "h": 271.8
  },
  "luminance": 0.03247
}

Semantic roles & 50–950 ramp

primary

#1F208D

secondary

#BBBA4D

accent

#E541E7

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F208D

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

Preview Lab → · Contrast checker → · Palette generator →