#1F3092#1F3092

#1F3092 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.161 H 268.9°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F3092
RGB	rgb(31, 48, 146)
HSL	hsl(231, 65%, 35%)
HSV	hsv(231, 79%, 57%)
CMYK	cmyk(78.8%, 67.1%, 0%, 42.7%)
CIE-LAB	lab(25.20, 30.08, -55.69)
CIE-LCH	lch(25.20, 63.29, 298.37°)
OKLab	oklab(36.71% -0.0032 -0.1611)
OKLCH	oklch(36.71% 0.161 268.9)
XYZ	xyz(6.8085, 4.4798, 27.6944)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3092 #92811F

analogous

#1F6A92 #1F3092 #471F92

triadic

#1F3092 #921F30 #30921F

tetradic

#1F3092 #921F6A #92811F #1F9247

square

#1F3092 #921F6A #92811F #1F9247

split-complementary

#1F3092 #92471F #6A921F

monochromatic

#0A0F2D #141F60 #1F3092 #2A41C4 #5166DA

Accessibility & contrast

On white

11.07

#1F3092 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1F3092 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3092

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3092	#FFFFFF	#000000	##FFFFFF
##1F3092	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004195

Deuteranopia (green-blind)

#003690

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1f3092;
/* rgb */ color: rgb(31, 48, 146);
/* oklch */ color: oklch(36.7% 0.161 268.9);

Tailwind

colors: {
  custom: {
    50: '#6f68b3',
    500: '#1f3092',
    950: '#000000',
  },
}

SCSS

$custom: #1f3092;
$custom-light: #6f68b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3092",
  "rgb": {
    "r": 31,
    "g": 48,
    "b": 146
  },
  "hsl": {
    "h": 231.13,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3671,
    "c": 0.16118,
    "h": 268.9
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#1F3092

secondary

#BDAD50

accent

#CF40E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1F3092

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

Preview Lab → · Contrast checker → · Palette generator →