#1F208C#1F208C

#1F208C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.171 H 271.9°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F208C
RGB	rgb(31, 32, 140)
HSL	hsl(239, 64%, 34%)
HSV	hsv(239, 78%, 55%)
CMYK	cmyk(77.9%, 77.1%, 0%, 45.1%)
CIE-LAB	lab(20.89, 37.98, -59.05)
CIE-LCH	lch(20.89, 70.21, 302.75°)
OKLab	oklab(33.42% 0.0057 -0.1709)
OKLCH	oklch(33.42% 0.171 271.9)
XYZ	xyz(5.8136, 3.2172, 25.1204)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F208C #8C8B1F

analogous

#1F568C #1F208C #541F8C

triadic

#1F208C #8C1F20 #208C1F

tetradic

#1F208C #8C1F56 #8C8B1F #1F8C54

square

#1F208C #8C1F56 #8C8B1F #1F8C54

split-complementary

#1F208C #8C541F #568C1F

monochromatic

#090928 #14155A #1F208C #2A2BBE #4E4FD8

Accessibility & contrast

On white

12.78

#1F208C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1F208C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F208C

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F208C	#FFFFFF	#000000	##FFFFFF
##1F208C	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388F

Deuteranopia (green-blind)

#002D8A

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f208c;
/* rgb */ color: rgb(31, 32, 140);
/* oklch */ color: oklch(33.4% 0.171 271.9);

Tailwind

colors: {
  custom: {
    50: '#6f5daf',
    500: '#1f208c',
    950: '#000000',
  },
}

SCSS

$custom: #1f208c;
$custom-light: #6f5daf;
$custom-dark: #000000;

JSON

{
  "hex": "#1f208c",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 140
  },
  "hsl": {
    "h": 239.45,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33422,
    "c": 0.17104,
    "h": 271.9
  },
  "luminance": 0.03218
}

Semantic roles & 50–950 ramp

primary

#1F208C

secondary

#BBBA4C

accent

#E541E7

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #1F208C

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

Preview Lab → · Contrast checker → · Palette generator →