#1F2392#1F2392

#1F2392 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.176 H 271.1°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F2392
RGB	rgb(31, 35, 146)
HSL	hsl(238, 65%, 35%)
HSV	hsv(238, 79%, 57%)
CMYK	cmyk(78.8%, 76%, 0%, 42.7%)
CIE-LAB	lab(22.19, 38.31, -60.64)
CIE-LCH	lch(22.19, 71.73, 302.28°)
OKLab	oklab(34.54% 0.0033 -0.1756)
OKLCH	oklch(34.54% 0.176 271.1)
XYZ	xyz(6.3527, 3.5680, 27.5424)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2392 #928E1F

analogous

#1F5D92 #1F2392 #551F92

triadic

#1F2392 #921F23 #23921F

tetradic

#1F2392 #921F5D #928E1F #1F9255

square

#1F2392 #921F5D #928E1F #1F9255

split-complementary

#1F2392 #92551F #5D921F

monochromatic

#0A0B2D #141760 #1F2392 #2A2FC4 #5156DA

Accessibility & contrast

On white

12.25

#1F2392 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F2392 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2392

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2392	#FFFFFF	#000000	##FFFFFF
##1F2392	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B95

Deuteranopia (green-blind)

#002F90

Tritanopia (blue-blind)

#004459

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2392;
/* rgb */ color: rgb(31, 35, 146);
/* oklch */ color: oklch(34.5% 0.176 271.1);

Tailwind

colors: {
  custom: {
    50: '#705fb3',
    500: '#1f2392',
    950: '#000000',
  },
}

SCSS

$custom: #1f2392;
$custom-light: #705fb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2392",
  "rgb": {
    "r": 31,
    "g": 35,
    "b": 146
  },
  "hsl": {
    "h": 237.913,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34539,
    "c": 0.17563,
    "h": 271.1
  },
  "luminance": 0.03569
}

Semantic roles & 50–950 ramp

primary

#1F2392

secondary

#BDB950

accent

#E240E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2392

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

Preview Lab → · Contrast checker → · Palette generator →