#1F4084#1F4084

#1F4084 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.8% C 0.121 H 262.7°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#1F4084
RGB	rgb(31, 64, 132)
HSL	hsl(220, 62%, 32%)
HSV	hsv(220, 77%, 52%)
CMYK	cmyk(76.5%, 51.5%, 0%, 48.2%)
CIE-LAB	lab(28.44, 13.56, -41.73)
CIE-LCH	lch(28.44, 43.88, 288.00°)
OKLab	oklab(38.77% -0.0154 -0.1199)
OKLCH	oklch(38.77% 0.121 262.7)
XYZ	xyz(6.5618, 5.6233, 22.5649)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4084 #84631F

analogous

#1F7384 #1F4084 #311F84

triadic

#1F4084 #841F40 #40841F

tetradic

#1F4084 #841F73 #84631F #1F8431

square

#1F4084 #841F73 #84631F #1F8431

split-complementary

#1F4084 #84311F #73841F

monochromatic

#081021 #132852 #1F4084 #2B58B6 #4977D4

Accessibility & contrast

On white

9.88

#1F4084 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1F4084 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4084

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4084	#FFFFFF	#000000	##FFFFFF
##1F4084	1.00	9.88	2.12	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174886

Deuteranopia (green-blind)

#003F83

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f4084;
/* rgb */ color: rgb(31, 64, 132);
/* oklch */ color: oklch(38.8% 0.121 262.7);

Tailwind

colors: {
  custom: {
    50: '#6a74a8',
    500: '#1f4084',
    950: '#000000',
  },
}

SCSS

$custom: #1f4084;
$custom-light: #6a74a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4084",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 132
  },
  "hsl": {
    "h": 220.396,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38774,
    "c": 0.12094,
    "h": 262.7
  },
  "luminance": 0.05624
}

Semantic roles & 50–950 ramp

primary

#1F4084

secondary

#B79348

accent

#B043E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4084

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

Preview Lab → · Contrast checker → · Palette generator →