#1F208F#1F208F

#1F208F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.175 H 271.7°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#1F208F
RGB	rgb(31, 32, 143)
HSL	hsl(239, 64%, 34%)
HSV	hsv(239, 78%, 56%)
CMYK	cmyk(78.3%, 77.6%, 0%, 43.9%)
CIE-LAB	lab(21.23, 39.02, -60.36)
CIE-LCH	lch(21.23, 71.87, 302.88°)
OKLab	oklab(33.76% 0.0051 -0.1747)
OKLCH	oklch(33.76% 0.175 271.7)
XYZ	xyz(6.0378, 3.3068, 26.3013)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F208F #8F8E1F

analogous

#1F588F #1F208F #561F8F

triadic

#1F208F #8F1F20 #208F1F

tetradic

#1F208F #8F1F58 #8F8E1F #1F8F56

square

#1F208F #8F1F58 #8F8E1F #1F8F56

split-complementary

#1F208F #8F561F #588F1F

monochromatic

#09092A #14155D #1F208F #2A2BC1 #4F51D9

Accessibility & contrast

On white

12.64

#1F208F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1F208F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F208F

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F208F	#FFFFFF	#000000	##FFFFFF
##1F208F	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003892

Deuteranopia (green-blind)

#002D8D

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f208f;
/* rgb */ color: rgb(31, 32, 143);
/* oklch */ color: oklch(33.8% 0.175 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f5db1',
    500: '#1f208f',
    950: '#000000',
  },
}

SCSS

$custom: #1f208f;
$custom-light: #6f5db1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f208f",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 143
  },
  "hsl": {
    "h": 239.464,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.33763,
    "c": 0.17482,
    "h": 271.7
  },
  "luminance": 0.03308
}

Semantic roles & 50–950 ramp

primary

#1F208F

secondary

#BCBB4E

accent

#E640E7

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F208F

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

Preview Lab → · Contrast checker → · Palette generator →