#1F4196#1F4196

#1F4196 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.5% C 0.145 H 264.3°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F4196
RGB	rgb(31, 65, 150)
HSL	hsl(223, 66%, 35%)
HSV	hsv(223, 79%, 59%)
CMYK	cmyk(79.3%, 56.7%, 0%, 41.2%)
CIE-LAB	lab(30.09, 20.07, -50.15)
CIE-LCH	lch(30.09, 54.02, 291.81°)
OKLab	oklab(40.46% -0.0144 -0.1447)
OKLCH	oklch(40.46% 0.145 264.3)
XYZ	xyz(7.9584, 6.2730, 29.6396)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4196 #96741F

analogous

#1F7C96 #1F4196 #381F96

triadic

#1F4196 #961F41 #41961F

tetradic

#1F4196 #961F7C #96741F #1F9638

square

#1F4196 #961F7C #96741F #1F9638

split-complementary

#1F4196 #96381F #7C961F

monochromatic

#0A1531 #152B63 #1F4196 #2957C9 #547BDC

Accessibility & contrast

On white

9.31

#1F4196 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1F4196 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4196

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4196	#FFFFFF	#000000	##FFFFFF
##1F4196	1.00	9.31	2.25	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D99

Deuteranopia (green-blind)

#004294

Tritanopia (blue-blind)

#005665

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4196;
/* rgb */ color: rgb(31, 65, 150);
/* oklch */ color: oklch(40.5% 0.145 264.3);

Tailwind

colors: {
  custom: {
    50: '#6e75b6',
    500: '#1f4196',
    950: '#000000',
  },
}

SCSS

$custom: #1f4196;
$custom-light: #6e75b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4196",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 150
  },
  "hsl": {
    "h": 222.857,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40457,
    "c": 0.14541,
    "h": 264.3
  },
  "luminance": 0.06274
}

Semantic roles & 50–950 ramp

primary

#1F4196

secondary

#BFA052

accent

#B83FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4196

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

Preview Lab → · Contrast checker → · Palette generator →