#1F4396#1F4396

#1F4396 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.143 H 263.6°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F4396
RGB	rgb(31, 67, 150)
HSL	hsl(222, 66%, 35%)
HSV	hsv(222, 79%, 59%)
CMYK	cmyk(79.3%, 55.3%, 0%, 41.2%)
CIE-LAB	lab(30.66, 18.70, -49.23)
CIE-LCH	lch(30.66, 52.67, 290.80°)
OKLab	oklab(40.88% -0.0159 -0.142)
OKLCH	oklch(40.88% 0.143 263.6)
XYZ	xyz(8.0753, 6.5067, 29.6786)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4396 #96721F

analogous

#1F7E96 #1F4396 #371F96

triadic

#1F4396 #961F43 #43961F

tetradic

#1F4396 #961F7E #96721F #1F9637

square

#1F4396 #961F7E #96721F #1F9637

split-complementary

#1F4396 #96371F #7E961F

monochromatic

#0A1631 #152C63 #1F4396 #295AC9 #547DDC

Accessibility & contrast

On white

9.12

#1F4396 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1F4396 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4396

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4396	#FFFFFF	#000000	##FFFFFF
##1F4396	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E99

Deuteranopia (green-blind)

#004394

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4396;
/* rgb */ color: rgb(31, 67, 150);
/* oklch */ color: oklch(40.9% 0.143 263.6);

Tailwind

colors: {
  custom: {
    50: '#6e76b5',
    500: '#1f4396',
    950: '#000000',
  },
}

SCSS

$custom: #1f4396;
$custom-light: #6e76b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4396",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 150
  },
  "hsl": {
    "h": 221.849,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40884,
    "c": 0.14284,
    "h": 263.6
  },
  "luminance": 0.06508
}

Semantic roles & 50–950 ramp

primary

#1F4396

secondary

#BF9E52

accent

#B53FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F4396

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

Preview Lab → · Contrast checker → · Palette generator →