#1F4492#1F4492

#1F4492 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.8% C 0.136 H 262.8°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F4492
RGB	rgb(31, 68, 146)
HSL	hsl(221, 65%, 35%)
HSV	hsv(221, 79%, 57%)
CMYK	cmyk(78.8%, 53.4%, 0%, 42.7%)
CIE-LAB	lab(30.64, 16.42, -46.82)
CIE-LCH	lch(30.64, 49.61, 289.32°)
OKLab	oklab(40.78% -0.017 -0.1348)
OKLCH	oklch(40.78% 0.136 262.8)
XYZ	xyz(7.8186, 6.5000, 28.0311)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4492 #926D1F

analogous

#1F7D92 #1F4492 #341F92

triadic

#1F4492 #921F44 #44921F

tetradic

#1F4492 #921F7D #926D1F #1F9234

square

#1F4492 #921F7D #926D1F #1F9234

split-complementary

#1F4492 #92341F #7D921F

monochromatic

#0A152D #142C60 #1F4492 #2A5CC4 #517DDA

Accessibility & contrast

On white

9.13

#1F4492 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1F4492 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4492

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4492	#FFFFFF	#000000	##FFFFFF
##1F4492	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4E95

Deuteranopia (green-blind)

#004390

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4492;
/* rgb */ color: rgb(31, 68, 146);
/* oklch */ color: oklch(40.8% 0.136 262.8);

Tailwind

colors: {
  custom: {
    50: '#6d77b3',
    500: '#1f4492',
    950: '#000000',
  },
}

SCSS

$custom: #1f4492;
$custom-light: #6d77b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4492",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 146
  },
  "hsl": {
    "h": 220.696,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.40776,
    "c": 0.1359,
    "h": 262.8
  },
  "luminance": 0.06501
}

Semantic roles & 50–950 ramp

primary

#1F4492

secondary

#BD9A50

accent

#B240E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4492

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

Preview Lab → · Contrast checker → · Palette generator →