#1F468F#1F468F

#1F468F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.0% C 0.129 H 261.5°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#1F468F
RGB	rgb(31, 70, 143)
HSL	hsl(219, 64%, 34%)
HSV	hsv(219, 78%, 56%)
CMYK	cmyk(78.3%, 51%, 0%, 43.9%)
CIE-LAB	lab(31.01, 13.84, -44.39)
CIE-LCH	lch(31.01, 46.50, 287.32°)
OKLab	oklab(40.99% -0.0191 -0.1276)
OKLCH	oklch(40.99% 0.129 261.5)
XYZ	xyz(7.7114, 6.6539, 26.8592)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F468F #8F681F

analogous

#1F7E8F #1F468F #301F8F

triadic

#1F468F #8F1F46 #468F1F

tetradic

#1F468F #8F1F7E #8F681F #1F8F30

square

#1F468F #8F1F7E #8F681F #1F8F30

split-complementary

#1F468F #8F301F #7E8F1F

monochromatic

#09152A #142D5D #1F468F #2A5FC1 #4F7FD9

Accessibility & contrast

On white

9.01

#1F468F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1F468F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F468F

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F468F	#FFFFFF	#000000	##FFFFFF
##1F468F	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4E92

Deuteranopia (green-blind)

#00448E

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f468f;
/* rgb */ color: rgb(31, 70, 143);
/* oklch */ color: oklch(41.0% 0.129 261.5);

Tailwind

colors: {
  custom: {
    50: '#6c78b0',
    500: '#1f468f',
    950: '#000000',
  },
}

SCSS

$custom: #1f468f;
$custom-light: #6c78b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f468f",
  "rgb": {
    "r": 31,
    "g": 70,
    "b": 143
  },
  "hsl": {
    "h": 219.107,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40985,
    "c": 0.12906,
    "h": 261.5
  },
  "luminance": 0.06655
}

Semantic roles & 50–950 ramp

primary

#1F468F

secondary

#BC964E

accent

#AD40E7

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #1F468F

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

Preview Lab → · Contrast checker → · Palette generator →