#1F4782#1F4782

#1F4782 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.3% C 0.109 H 258.3°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#1F4782
RGB	rgb(31, 71, 130)
HSL	hsl(216, 61%, 32%)
HSV	hsv(216, 76%, 51%)
CMYK	cmyk(76.2%, 45.4%, 0%, 49%)
CIE-LAB	lab(30.42, 7.95, -37.31)
CIE-LCH	lch(30.42, 38.14, 282.02°)
OKLab	oklab(40.25% -0.0222 -0.1068)
OKLCH	oklch(40.25% 0.109 258.3)
XYZ	xyz(6.8461, 6.4087, 21.9910)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4782 #825A1F

analogous

#1F7982 #1F4782 #291F82

triadic

#1F4782 #821F47 #47821F

tetradic

#1F4782 #821F79 #825A1F #1F8229

square

#1F4782 #821F79 #825A1F #1F8229

split-complementary

#1F4782 #82291F #79821F

monochromatic

#07111F #132C51 #1F4782 #2B62B3 #4880D3

Accessibility & contrast

On white

9.20

#1F4782 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1F4782 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4782

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4782	#FFFFFF	#000000	##FFFFFF
##1F4782	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4D84

Deuteranopia (green-blind)

#174381

Tritanopia (blue-blind)

#00555E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4782;
/* rgb */ color: rgb(31, 71, 130);
/* oklch */ color: oklch(40.3% 0.109 258.3);

Tailwind

colors: {
  custom: {
    50: '#6979a7',
    500: '#1f4782',
    950: '#000000',
  },
}

SCSS

$custom: #1f4782;
$custom-light: #6979a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4782",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 130
  },
  "hsl": {
    "h": 215.758,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40251,
    "c": 0.10907,
    "h": 258.3
  },
  "luminance": 0.06409
}

Semantic roles & 50–950 ramp

primary

#1F4782

secondary

#B58948

accent

#A343E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F4782

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

Preview Lab → · Contrast checker → · Palette generator →