#1F4493#1F4493

#1F4493 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.137 H 262.9°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F4493
RGB	rgb(31, 68, 147)
HSL	hsl(221, 65%, 35%)
HSV	hsv(221, 79%, 58%)
CMYK	cmyk(78.9%, 53.7%, 0%, 42.4%)
CIE-LAB	lab(30.71, 16.82, -47.31)
CIE-LCH	lch(30.71, 50.21, 289.57°)
OKLab	oklab(40.86% -0.0169 -0.1363)
OKLCH	oklch(40.86% 0.137 262.9)
XYZ	xyz(7.8968, 6.5312, 28.4426)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4493 #936E1F

analogous

#1F7E93 #1F4493 #341F93

triadic

#1F4493 #931F44 #44931F

tetradic

#1F4493 #931F7E #936E1F #1F9334

square

#1F4493 #931F7E #936E1F #1F9334

split-complementary

#1F4493 #93341F #7E931F

monochromatic

#0A152E #142D60 #1F4493 #2A5BC6 #527DDA

Accessibility & contrast

On white

9.11

#1F4493 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1F4493 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4493

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4493	#FFFFFF	#000000	##FFFFFF
##1F4493	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4E96

Deuteranopia (green-blind)

#004391

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4493;
/* rgb */ color: rgb(31, 68, 147);
/* oklch */ color: oklch(40.9% 0.137 262.9);

Tailwind

colors: {
  custom: {
    50: '#6d77b3',
    500: '#1f4493',
    950: '#000000',
  },
}

SCSS

$custom: #1f4493;
$custom-light: #6d77b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4493",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 147
  },
  "hsl": {
    "h": 220.862,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.40856,
    "c": 0.13732,
    "h": 262.9
  },
  "luminance": 0.06532
}

Semantic roles & 50–950 ramp

primary

#1F4493

secondary

#BE9B50

accent

#B240E8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4493

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

Preview Lab → · Contrast checker → · Palette generator →