#1F2097#1F2097

#1F2097 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.7% C 0.185 H 271.1°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F2097
RGB	rgb(31, 32, 151)
HSL	hsl(240, 66%, 36%)
HSV	hsv(240, 79%, 59%)
CMYK	cmyk(79.5%, 78.8%, 0%, 40.8%)
CIE-LAB	lab(22.15, 41.74, -63.79)
CIE-LCH	lch(22.15, 76.23, 303.20°)
OKLab	oklab(34.68% 0.0035 -0.1847)
OKLCH	oklch(34.68% 0.185 271.1)
XYZ	xyz(6.6656, 3.5580, 29.6076)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2097 #97961F

analogous

#1F5C97 #1F2097 #5A1F97

triadic

#1F2097 #971F20 #20971F

tetradic

#1F2097 #971F5C #97961F #1F975A

square

#1F2097 #971F5C #97961F #1F975A

split-complementary

#1F2097 #975A1F #5C971F

monochromatic

#0A0A31 #151564 #1F2097 #292BCA #5456DC

Accessibility & contrast

On white

12.27

#1F2097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F2097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2097

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2097	#FFFFFF	#000000	##FFFFFF
##1F2097	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9A

Deuteranopia (green-blind)

#002F95

Tritanopia (blue-blind)

#00445B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2097;
/* rgb */ color: rgb(31, 32, 151);
/* oklch */ color: oklch(34.7% 0.185 271.1);

Tailwind

colors: {
  custom: {
    50: '#725eb7',
    500: '#1f2097',
    950: '#000000',
  },
}

SCSS

$custom: #1f2097;
$custom-light: #725eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2097",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 151
  },
  "hsl": {
    "h": 239.5,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34681,
    "c": 0.18473,
    "h": 271.1
  },
  "luminance": 0.03559
}

Semantic roles & 50–950 ramp

primary

#1F2097

secondary

#BFBE52

accent

#E73FE9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F2097

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

Preview Lab → · Contrast checker → · Palette generator →