#1F328E#1F328E

#1F328E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.153 H 268.4°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F328E
RGB	rgb(31, 50, 142)
HSL	hsl(230, 64%, 34%)
HSV	hsv(230, 78%, 56%)
CMYK	cmyk(78.2%, 64.8%, 0%, 44.3%)
CIE-LAB	lab(25.34, 27.20, -52.99)
CIE-LCH	lch(25.34, 59.56, 297.17°)
OKLab	oklab(36.7% -0.0042 -0.1532)
OKLCH	oklch(36.7% 0.153 268.4)
XYZ	xyz(6.5865, 4.5248, 26.1122)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F328E #8E7B1F

analogous

#1F6A8E #1F328E #441F8E

triadic

#1F328E #8E1F32 #328E1F

tetradic

#1F328E #8E1F6A #8E7B1F #1F8E44

square

#1F328E #8E1F6A #8E7B1F #1F8E44

split-complementary

#1F328E #8E441F #6A8E1F

monochromatic

#090F2A #14205C #1F328E #2A44C0 #4F66D9

Accessibility & contrast

On white

11.02

#1F328E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1F328E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F328E

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F328E	#FFFFFF	#000000	##FFFFFF
##1F328E	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004191

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1f328e;
/* rgb */ color: rgb(31, 50, 142);
/* oklch */ color: oklch(36.7% 0.153 268.4);

Tailwind

colors: {
  custom: {
    50: '#6d69b0',
    500: '#1f328e',
    950: '#000000',
  },
}

SCSS

$custom: #1f328e;
$custom-light: #6d69b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f328e",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 142
  },
  "hsl": {
    "h": 229.73,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36697,
    "c": 0.1533,
    "h": 268.4
  },
  "luminance": 0.04526
}

Semantic roles & 50–950 ramp

primary

#1F328E

secondary

#BBA94D

accent

#CB41E7

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1F328E

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

Preview Lab → · Contrast checker → · Palette generator →