#1F4682#1F4682

#1F4682 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.0% C 0.110 H 258.9°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F4682
RGB	rgb(31, 70, 130)
HSL	hsl(216, 61%, 32%)
HSV	hsv(216, 76%, 51%)
CMYK	cmyk(76.2%, 46.2%, 0%, 49%)
CIE-LAB	lab(30.11, 8.63, -37.80)
CIE-LCH	lch(30.11, 38.77, 282.85°)
OKLab	oklab(40.01% -0.0213 -0.1083)
OKLCH	oklch(40.01% 0.11 258.9)
XYZ	xyz(6.7830, 6.2826, 21.9699)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4682 #825B1F

analogous

#1F7882 #1F4682 #2A1F82

triadic

#1F4682 #821F46 #46821F

tetradic

#1F4682 #821F78 #825B1F #1F822A

square

#1F4682 #821F78 #825B1F #1F822A

split-complementary

#1F4682 #822A1F #78821F

monochromatic

#07111F #132B51 #1F4682 #2B61B3 #487FD3

Accessibility & contrast

On white

9.31

#1F4682 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1F4682 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4682

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4682	#FFFFFF	#000000	##FFFFFF
##1F4682	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284C84

Deuteranopia (green-blind)

#144381

Tritanopia (blue-blind)

#00545D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4682;
/* rgb */ color: rgb(31, 70, 130);
/* oklch */ color: oklch(40.0% 0.110 258.9);

Tailwind

colors: {
  custom: {
    50: '#6978a7',
    500: '#1f4682',
    950: '#000000',
  },
}

SCSS

$custom: #1f4682;
$custom-light: #6978a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4682",
  "rgb": {
    "r": 31,
    "g": 70,
    "b": 130
  },
  "hsl": {
    "h": 216.364,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40014,
    "c": 0.11033,
    "h": 258.9
  },
  "luminance": 0.06283
}

Semantic roles & 50–950 ramp

primary

#1F4682

secondary

#B58A48

accent

#A543E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F4682

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

Preview Lab → · Contrast checker → · Palette generator →