#1F1E97#1F1E97

#1F1E97 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.4% C 0.187 H 271.3°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1F1E97
RGB	rgb(31, 30, 151)
HSL	hsl(240, 67%, 35%)
HSV	hsv(240, 80%, 59%)
CMYK	cmyk(79.5%, 80.1%, 0%, 40.8%)
CIE-LAB	lab(21.78, 42.83, -64.42)
CIE-LCH	lch(21.78, 77.35, 303.62°)
OKLab	oklab(34.42% 0.0042 -0.1865)
OKLCH	oklch(34.42% 0.187 271.3)
XYZ	xyz(6.6134, 3.4535, 29.5902)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1E97 #96971E

analogous

#1E5997 #1F1E97 #5B1E97

triadic

#1F1E97 #971F1E #1E971F

tetradic

#1F1E97 #971E59 #96971E #1E975B

square

#1F1E97 #971E59 #96971E #1E975B

split-complementary

#1F1E97 #975B1E #59971E

monochromatic

#0A0A31 #151464 #1F1E97 #2928CA #5453DD

Accessibility & contrast

On white

12.42

#1F1E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1F1E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1E97

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1E97	#FFFFFF	#000000	##FFFFFF
##1F1E97	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9A

Deuteranopia (green-blind)

#002E95

Tritanopia (blue-blind)

#00435A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f1e97;
/* rgb */ color: rgb(31, 30, 151);
/* oklch */ color: oklch(34.4% 0.187 271.3);

Tailwind

colors: {
  custom: {
    50: '#725cb7',
    500: '#1f1e97',
    950: '#000000',
  },
}

SCSS

$custom: #1f1e97;
$custom-light: #725cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1e97",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 151
  },
  "hsl": {
    "h": 240.496,
    "s": 66.851,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34416,
    "c": 0.18654,
    "h": 271.3
  },
  "luminance": 0.03454
}

Semantic roles & 50–950 ramp

primary

#1F1E97

secondary

#BFC051

accent

#EA3EE8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F1E97

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

Preview Lab → · Contrast checker → · Palette generator →