#1F328C#1F328C

#1F328C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.151 H 268.4°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F328C
RGB	rgb(31, 50, 140)
HSL	hsl(230, 64%, 34%)
HSV	hsv(230, 78%, 55%)
CMYK	cmyk(77.9%, 64.3%, 0%, 45.1%)
CIE-LAB	lab(25.15, 26.43, -52.05)
CIE-LCH	lch(25.15, 58.37, 296.92°)
OKLab	oklab(36.51% -0.0041 -0.1505)
OKLCH	oklch(36.51% 0.151 268.4)
XYZ	xyz(6.4377, 4.4653, 25.3285)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F328C #8C791F

analogous

#1F688C #1F328C #421F8C

triadic

#1F328C #8C1F32 #328C1F

tetradic

#1F328C #8C1F68 #8C791F #1F8C42

square

#1F328C #8C1F68 #8C791F #1F8C42

split-complementary

#1F328C #8C421F #688C1F

monochromatic

#090E28 #14205A #1F328C #2A44BE #4E66D8

Accessibility & contrast

On white

11.09

#1F328C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1F328C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F328C

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F328C	#FFFFFF	#000000	##FFFFFF
##1F328C	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418F

Deuteranopia (green-blind)

#00378A

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1f328c;
/* rgb */ color: rgb(31, 50, 140);
/* oklch */ color: oklch(36.5% 0.151 268.4);

Tailwind

colors: {
  custom: {
    50: '#6d69ae',
    500: '#1f328c',
    950: '#000000',
  },
}

SCSS

$custom: #1f328c;
$custom-light: #6d69ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f328c",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 140
  },
  "hsl": {
    "h": 229.541,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36506,
    "c": 0.15054,
    "h": 268.4
  },
  "luminance": 0.04466
}

Semantic roles & 50–950 ramp

primary

#1F328C

secondary

#BBA74C

accent

#CA41E7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1F328C

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

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