#1F329C#1F329C

#1F329C is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.172 H 268.4°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F329C
RGB	rgb(31, 50, 156)
HSL	hsl(231, 67%, 37%)
HSV	hsv(231, 80%, 61%)
CMYK	cmyk(80.1%, 67.9%, 0%, 38.8%)
CIE-LAB	lab(26.65, 32.53, -59.43)
CIE-LCH	lch(26.65, 67.75, 298.70°)
OKLab	oklab(38.07% -0.0049 -0.1721)
OKLCH	oklch(38.07% 0.172 268.4)
XYZ	xyz(7.7043, 4.9719, 31.9997)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F329C #9C891F

analogous

#1F719C #1F329C #4B1F9C

triadic

#1F329C #9C1F32 #329C1F

tetradic

#1F329C #9C1F71 #9C891F #1F9C4B

square

#1F329C #9C1F71 #9C891F #1F9C4B

split-complementary

#1F329C #9C4B1F #719C1F

monochromatic

#0B1136 #152269 #1F329C #2942CF #586CDE

Accessibility & contrast

On white

10.53

#1F329C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1F329C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F329C

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F329C	#FFFFFF	#000000	##FFFFFF
##1F329C	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459F

Deuteranopia (green-blind)

#00399A

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f329c;
/* rgb */ color: rgb(31, 50, 156);
/* oklch */ color: oklch(38.1% 0.172 268.4);

Tailwind

colors: {
  custom: {
    50: '#716aba',
    500: '#1f329c',
    950: '#000000',
  },
}

SCSS

$custom: #1f329c;
$custom-light: #716aba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f329c",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 156
  },
  "hsl": {
    "h": 230.88,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38067,
    "c": 0.17214,
    "h": 268.4
  },
  "luminance": 0.04973
}

Semantic roles & 50–950 ramp

primary

#1F329C

secondary

#C1B155

accent

#D03EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1F329C

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

Preview Lab → · Contrast checker → · Palette generator →