#1F4696#1F4696

#1F4696 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.5% C 0.139 H 262.5°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#1F4696
RGB	rgb(31, 70, 150)
HSL	hsl(220, 66%, 35%)
HSV	hsv(220, 79%, 59%)
CMYK	cmyk(79.3%, 53.3%, 0%, 41.2%)
CIE-LAB	lab(31.52, 16.65, -47.84)
CIE-LCH	lch(31.52, 50.66, 289.19°)
OKLab	oklab(41.54% -0.0182 -0.1378)
OKLCH	oklch(41.54% 0.139 262.5)
XYZ	xyz(8.2583, 6.8727, 29.7396)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4696 #966F1F

analogous

#1F8196 #1F4696 #331F96

triadic

#1F4696 #961F46 #46961F

tetradic

#1F4696 #961F81 #966F1F #1F9633

square

#1F4696 #961F81 #966F1F #1F9633

split-complementary

#1F4696 #96331F #81961F

monochromatic

#0A1731 #152E63 #1F4696 #295EC9 #5480DC

Accessibility & contrast

On white

8.84

#1F4696 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1F4696 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4696

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4696	#FFFFFF	#000000	##FFFFFF
##1F4696	1.00	8.84	2.37	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D5099

Deuteranopia (green-blind)

#004594

Tritanopia (blue-blind)

#005967

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f4696;
/* rgb */ color: rgb(31, 70, 150);
/* oklch */ color: oklch(41.5% 0.139 262.5);

Tailwind

colors: {
  custom: {
    50: '#6e78b5',
    500: '#1f4696',
    950: '#000000',
  },
}

SCSS

$custom: #1f4696;
$custom-light: #6e78b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4696",
  "rgb": {
    "r": 31,
    "g": 70,
    "b": 150
  },
  "hsl": {
    "h": 220.336,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41535,
    "c": 0.139,
    "h": 262.5
  },
  "luminance": 0.06874
}

Semantic roles & 50–950 ramp

primary

#1F4696

secondary

#BF9B52

accent

#B13FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4696

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

Preview Lab → · Contrast checker → · Palette generator →