#1F329E#1F329E

#1F329E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.3% C 0.175 H 268.3°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#1F329E
RGB	rgb(31, 50, 158)
HSL	hsl(231, 67%, 37%)
HSV	hsv(231, 80%, 62%)
CMYK	cmyk(80.4%, 68.4%, 0%, 38%)
CIE-LAB	lab(26.85, 33.28, -60.33)
CIE-LCH	lch(26.85, 68.90, 298.89°)
OKLab	oklab(38.27% -0.0051 -0.1747)
OKLCH	oklch(38.27% 0.175 268.3)
XYZ	xyz(7.8751, 5.0402, 32.8989)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F329E #9E8B1F

analogous

#1F719E #1F329E #4C1F9E

triadic

#1F329E #9E1F32 #329E1F

tetradic

#1F329E #9E1F71 #9E8B1F #1F9E4C

square

#1F329E #9E1F71 #9E8B1F #1F9E4C

split-complementary

#1F329E #9E4C1F #719E1F

monochromatic

#0B1238 #15226B #1F329E #2942D1 #596DDE

Accessibility & contrast

On white

10.46

#1F329E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1F329E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F329E

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F329E	#FFFFFF	#000000	##FFFFFF
##1F329E	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A1

Deuteranopia (green-blind)

#00399C

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f329e;
/* rgb */ color: rgb(31, 50, 158);
/* oklch */ color: oklch(38.3% 0.175 268.3);

Tailwind

colors: {
  custom: {
    50: '#726abc',
    500: '#1f329e',
    950: '#000000',
  },
}

SCSS

$custom: #1f329e;
$custom-light: #726abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f329e",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 158
  },
  "hsl": {
    "h": 231.024,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38268,
    "c": 0.17477,
    "h": 268.3
  },
  "luminance": 0.05041
}

Semantic roles & 50–950 ramp

primary

#1F329E

secondary

#C2B256

accent

#D03EEA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1F329E

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

Preview Lab → · Contrast checker → · Palette generator →