#1F329D#1F329D

#1F329D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.173 H 268.4°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F329D
RGB	rgb(31, 50, 157)
HSL	hsl(231, 67%, 37%)
HSV	hsv(231, 80%, 62%)
CMYK	cmyk(80.3%, 68.2%, 0%, 38.4%)
CIE-LAB	lab(26.75, 32.91, -59.88)
CIE-LCH	lch(26.75, 68.33, 298.79°)
OKLab	oklab(38.17% -0.005 -0.1734)
OKLCH	oklch(38.17% 0.173 268.4)
XYZ	xyz(7.7894, 5.0059, 32.4475)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F329D #9D8A1F

analogous

#1F719D #1F329D #4B1F9D

triadic

#1F329D #9D1F32 #329D1F

tetradic

#1F329D #9D1F71 #9D8A1F #1F9D4B

square

#1F329D #9D1F71 #9D8A1F #1F9D4B

split-complementary

#1F329D #9D4B1F #719D1F

monochromatic

#0B1137 #15226A #1F329D #2942D0 #586CDE

Accessibility & contrast

On white

10.49

#1F329D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1F329D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F329D

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F329D	#FFFFFF	#000000	##FFFFFF
##1F329D	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#00399B

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f329d;
/* rgb */ color: rgb(31, 50, 157);
/* oklch */ color: oklch(38.2% 0.173 268.4);

Tailwind

colors: {
  custom: {
    50: '#716abb',
    500: '#1f329d',
    950: '#000000',
  },
}

SCSS

$custom: #1f329d;
$custom-light: #716abb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f329d",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 157
  },
  "hsl": {
    "h": 230.952,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38168,
    "c": 0.17346,
    "h": 268.4
  },
  "luminance": 0.05007
}

Semantic roles & 50–950 ramp

primary

#1F329D

secondary

#C2B256

accent

#D03EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1F329D

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

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