#1F4484#1F4484

#1F4484 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.7% C 0.116 H 260.5°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#1F4484
RGB	rgb(31, 68, 132)
HSL	hsl(218, 62%, 32%)
HSV	hsv(218, 77%, 52%)
CMYK	cmyk(76.5%, 48.5%, 0%, 48.2%)
CIE-LAB	lab(29.64, 10.80, -39.80)
CIE-LCH	lch(29.64, 41.24, 285.18°)
OKLab	oklab(39.69% -0.019 -0.1142)
OKLCH	oklch(39.69% 0.116 260.5)
XYZ	xyz(6.7956, 6.0907, 22.6428)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4484 #845F1F

analogous

#1F7784 #1F4484 #2D1F84

triadic

#1F4484 #841F44 #44841F

tetradic

#1F4484 #841F77 #845F1F #1F842D

square

#1F4484 #841F77 #845F1F #1F842D

split-complementary

#1F4484 #842D1F #77841F

monochromatic

#081121 #132A52 #1F4484 #2B5EB6 #497CD4

Accessibility & contrast

On white

9.47

#1F4484 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1F4484 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4484

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4484	#FFFFFF	#000000	##FFFFFF
##1F4484	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224B86

Deuteranopia (green-blind)

#074183

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4484;
/* rgb */ color: rgb(31, 68, 132);
/* oklch */ color: oklch(39.7% 0.116 260.5);

Tailwind

colors: {
  custom: {
    50: '#6a77a8',
    500: '#1f4484',
    950: '#000000',
  },
}

SCSS

$custom: #1f4484;
$custom-light: #6a77a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4484",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 132
  },
  "hsl": {
    "h": 218.02,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39692,
    "c": 0.11576,
    "h": 260.5
  },
  "luminance": 0.06091
}

Semantic roles & 50–950 ramp

primary

#1F4484

secondary

#B78E48

accent

#AA43E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4484

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

Preview Lab → · Contrast checker → · Palette generator →