#1F1E9D#1F1E9D

#1F1E9D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.1% C 0.194 H 270.9°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F1E9D
RGB	rgb(31, 30, 157)
HSL	hsl(240, 68%, 37%)
HSV	hsv(240, 81%, 62%)
CMYK	cmyk(80.3%, 80.9%, 0%, 38.4%)
CIE-LAB	lab(22.49, 44.80, -66.92)
CIE-LCH	lch(22.49, 80.53, 303.80°)
OKLab	oklab(35.12% 0.0029 -0.1937)
OKLCH	oklch(35.12% 0.194 270.9)
XYZ	xyz(7.1131, 3.6534, 32.2220)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1E9D #9C9D1E

analogous

#1E5D9D #1F1E9D #5E1E9D

triadic

#1F1E9D #9D1F1E #1E9D1F

tetradic

#1F1E9D #9D1E5D #9C9D1E #1E9D5E

square

#1F1E9D #9D1E5D #9C9D1E #1E9D5E

split-complementary

#1F1E9D #9D5E1E #5D9D1E

monochromatic

#0B0A36 #15146A #1F1E9D #2928D0 #5857DF

Accessibility & contrast

On white

12.13

#1F1E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1F1E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1E9D

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1E9D	#FFFFFF	#000000	##FFFFFF
##1F1E9D	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA1

Deuteranopia (green-blind)

#002F9B

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f1e9d;
/* rgb */ color: rgb(31, 30, 157);
/* oklch */ color: oklch(35.1% 0.194 270.9);

Tailwind

colors: {
  custom: {
    50: '#735dbb',
    500: '#1f1e9d',
    950: '#000000',
  },
}

SCSS

$custom: #1f1e9d;
$custom-light: #735dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1e9d",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 157
  },
  "hsl": {
    "h": 240.472,
    "s": 67.914,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35124,
    "c": 0.19375,
    "h": 270.9
  },
  "luminance": 0.03654
}

Semantic roles & 50–950 ramp

primary

#1F1E9D

secondary

#C1C254

accent

#EB3DE9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F1E9D

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

Preview Lab → · Contrast checker → · Palette generator →