#1F4296#1F4296

#1F4296 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.7% C 0.144 H 264.0°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#1F4296
RGB	rgb(31, 66, 150)
HSL	hsl(222, 66%, 35%)
HSV	hsv(222, 79%, 59%)
CMYK	cmyk(79.3%, 56%, 0%, 41.2%)
CIE-LAB	lab(30.37, 19.39, -49.69)
CIE-LCH	lch(30.37, 53.34, 291.31°)
OKLab	oklab(40.67% -0.0151 -0.1433)
OKLCH	oklch(40.67% 0.144 264)
XYZ	xyz(8.0164, 6.3888, 29.6589)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4296 #96731F

analogous

#1F7D96 #1F4296 #371F96

triadic

#1F4296 #961F42 #42961F

tetradic

#1F4296 #961F7D #96731F #1F9637

square

#1F4296 #961F7D #96731F #1F9637

split-complementary

#1F4296 #96371F #7D961F

monochromatic

#0A1531 #152C63 #1F4296 #2958C9 #547CDC

Accessibility & contrast

On white

9.22

#1F4296 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1F4296 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4296

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4296	#FFFFFF	#000000	##FFFFFF
##1F4296	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D99

Deuteranopia (green-blind)

#004294

Tritanopia (blue-blind)

#005765

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4296;
/* rgb */ color: rgb(31, 66, 150);
/* oklch */ color: oklch(40.7% 0.144 264.0);

Tailwind

colors: {
  custom: {
    50: '#6e75b6',
    500: '#1f4296',
    950: '#000000',
  },
}

SCSS

$custom: #1f4296;
$custom-light: #6e75b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4296",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 150
  },
  "hsl": {
    "h": 222.353,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40669,
    "c": 0.14413,
    "h": 264
  },
  "luminance": 0.0639
}

Semantic roles & 50–950 ramp

primary

#1F4296

secondary

#BF9F52

accent

#B73FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4296

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

Preview Lab → · Contrast checker → · Palette generator →