#1F1E9F#1F1E9F

#1F1E9F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.196 H 270.7°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F1E9F
RGB	rgb(31, 30, 159)
HSL	hsl(240, 68%, 37%)
HSV	hsv(240, 81%, 62%)
CMYK	cmyk(80.5%, 81.1%, 0%, 37.6%)
CIE-LAB	lab(22.73, 45.45, -67.74)
CIE-LCH	lch(22.73, 81.57, 303.86°)
OKLab	oklab(35.36% 0.0025 -0.1961)
OKLCH	oklch(35.36% 0.196 270.7)
XYZ	xyz(7.2852, 3.7222, 33.1287)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1E9F #9E9F1E

analogous

#1E5E9F #1F1E9F #601E9F

triadic

#1F1E9F #9F1F1E #1E9F1F

tetradic

#1F1E9F #9F1E5E #9E9F1E #1E9F60

square

#1F1E9F #9F1E5E #9E9F1E #1E9F60

split-complementary

#1F1E9F #9F601E #5E9F1E

monochromatic

#0B0B38 #15146C #1F1E9F #2928D2 #5958DF

Accessibility & contrast

On white

12.04

#1F1E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1F1E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1E9F

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1E9F	#FFFFFF	#000000	##FFFFFF
##1F1E9F	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00309D

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f1e9f;
/* rgb */ color: rgb(31, 30, 159);
/* oklch */ color: oklch(35.4% 0.196 270.7);

Tailwind

colors: {
  custom: {
    50: '#745dbd',
    500: '#1f1e9f',
    950: '#000000',
  },
}

SCSS

$custom: #1f1e9f;
$custom-light: #745dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1e9f",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 159
  },
  "hsl": {
    "h": 240.465,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35361,
    "c": 0.19614,
    "h": 270.7
  },
  "luminance": 0.03723
}

Semantic roles & 50–950 ramp

primary

#1F1E9F

secondary

#C2C356

accent

#EB3DEA

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F1E9F

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

Preview Lab → · Contrast checker → · Palette generator →