#1F4896#1F4896

#1F4896 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.0% C 0.136 H 261.7°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F4896
RGB	rgb(31, 72, 150)
HSL	hsl(219, 66%, 35%)
HSV	hsv(219, 79%, 59%)
CMYK	cmyk(79.3%, 52%, 0%, 41.2%)
CIE-LAB	lab(32.09, 15.28, -46.90)
CIE-LCH	lch(32.09, 49.33, 288.05°)
OKLab	oklab(41.98% -0.0197 -0.135)
OKLCH	oklch(41.98% 0.136 261.7)
XYZ	xyz(8.3855, 7.1271, 29.7820)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4896 #966D1F

analogous

#1F8396 #1F4896 #321F96

triadic

#1F4896 #961F48 #48961F

tetradic

#1F4896 #961F83 #966D1F #1F9632

square

#1F4896 #961F83 #966D1F #1F9632

split-complementary

#1F4896 #96321F #83961F

monochromatic

#0A1731 #153063 #1F4896 #2960C9 #5483DC

Accessibility & contrast

On white

8.66

#1F4896 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1F4896 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4896

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4896	#FFFFFF	#000000	##FFFFFF
##1F4896	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165199

Deuteranopia (green-blind)

#004694

Tritanopia (blue-blind)

#005B68

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f4896;
/* rgb */ color: rgb(31, 72, 150);
/* oklch */ color: oklch(42.0% 0.136 261.7);

Tailwind

colors: {
  custom: {
    50: '#6e7ab5',
    500: '#1f4896',
    950: '#000000',
  },
}

SCSS

$custom: #1f4896;
$custom-light: #6e7ab5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4896",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 150
  },
  "hsl": {
    "h": 219.328,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41977,
    "c": 0.13645,
    "h": 261.7
  },
  "luminance": 0.07128
}

Semantic roles & 50–950 ramp

primary

#1F4896

secondary

#BF9952

accent

#AE3FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4896

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

Preview Lab → · Contrast checker → · Palette generator →