#1F246F#1F246F

#1F246F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.127 H 273.3°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F246F
RGB	rgb(31, 36, 111)
HSL	hsl(236, 56%, 28%)
HSV	hsv(236, 72%, 44%)
CMYK	cmyk(72.1%, 67.6%, 0%, 56.5%)
CIE-LAB	lab(18.80, 24.84, -44.07)
CIE-LCH	lch(18.80, 50.59, 299.40°)
OKLab	oklab(31.01% 0.0074 -0.1272)
OKLCH	oklch(31.01% 0.127 273.3)
XYZ	xyz(4.0642, 2.7004, 15.3429)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F246F #6F6A1F

analogous

#1F4C6F #1F246F #421F6F

triadic

#1F246F #6F1F24 #246F1F

tetradic

#1F246F #6F1F4C #6F6A1F #1F6F42

square

#1F246F #6F1F4C #6F6A1F #1F6F42

split-complementary

#1F246F #6F421F #4C6F1F

monochromatic

#070818 #12143F #1F246F #2C349F #3F48C9

Accessibility & contrast

On white

13.63

#1F246F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1F246F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F246F

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F246F	#FFFFFF	#000000	##FFFFFF
##1F246F	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003171

Deuteranopia (green-blind)

#002A6E

Tritanopia (blue-blind)

#003746

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f246f;
/* rgb */ color: rgb(31, 36, 111);
/* oklch */ color: oklch(31.0% 0.127 273.3);

Tailwind

colors: {
  custom: {
    50: '#675e99',
    500: '#1f246f',
    950: '#000000',
  },
}

SCSS

$custom: #1f246f;
$custom-light: #675e99;
$custom-dark: #000000;

JSON

{
  "hex": "#1f246f",
  "rgb": {
    "r": 31,
    "g": 36,
    "b": 111
  },
  "hsl": {
    "h": 236.25,
    "s": 56.338,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31009,
    "c": 0.12745,
    "h": 273.3
  },
  "luminance": 0.02701
}

Semantic roles & 50–950 ramp

primary

#1F246F

secondary

#A39D47

accent

#D648E0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1F246F

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

Preview Lab → · Contrast checker → · Palette generator →