#1F268A#1F268A

#1F268A is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.1% C 0.162 H 271.1°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#1F268A
RGB	rgb(31, 38, 138)
HSL	hsl(236, 63%, 33%)
HSV	hsv(236, 78%, 54%)
CMYK	cmyk(77.5%, 72.5%, 0%, 45.9%)
CIE-LAB	lab(21.99, 33.61, -56.00)
CIE-LCH	lch(21.99, 65.31, 300.97°)
OKLab	oklab(34.14% 0.0032 -0.1621)
OKLCH	oklch(34.14% 0.162 271.1)
XYZ	xyz(5.8441, 3.5119, 24.4097)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F268A #8A831F

analogous

#1F5B8A #1F268A #4D1F8A

triadic

#1F268A #8A1F26 #268A1F

tetradic

#1F268A #8A1F5B #8A831F #1F8A4D

square

#1F268A #8A1F5B #8A831F #1F8A4D

split-complementary

#1F268A #8A4D1F #5B8A1F

monochromatic

#090A26 #141858 #1F268A #2A34BC #4C56D7

Accessibility & contrast

On white

12.33

#1F268A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1F268A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F268A

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F268A	#FFFFFF	#000000	##FFFFFF
##1F268A	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#002F88

Tritanopia (blue-blind)

#004255

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f268a;
/* rgb */ color: rgb(31, 38, 138);
/* oklch */ color: oklch(34.1% 0.162 271.1);

Tailwind

colors: {
  custom: {
    50: '#6e61ad',
    500: '#1f268a',
    950: '#000000',
  },
}

SCSS

$custom: #1f268a;
$custom-light: #6e61ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f268a",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 138
  },
  "hsl": {
    "h": 236.075,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34138,
    "c": 0.16213,
    "h": 271.1
  },
  "luminance": 0.03513
}

Semantic roles & 50–950 ramp

primary

#1F268A

secondary

#BAB24B

accent

#DC41E6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F268A

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

Preview Lab → · Contrast checker → · Palette generator →