#1F1E9A#1F1E9A

#1F1E9A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.190 H 271.1°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#1F1E9A
RGB	rgb(31, 30, 154)
HSL	hsl(240, 67%, 36%)
HSV	hsv(240, 81%, 60%)
CMYK	cmyk(79.9%, 80.5%, 0%, 39.6%)
CIE-LAB	lab(22.13, 43.82, -65.67)
CIE-LCH	lch(22.13, 78.95, 303.71°)
OKLab	oklab(34.77% 0.0035 -0.1901)
OKLCH	oklch(34.77% 0.19 271.1)
XYZ	xyz(6.8601, 3.5522, 30.8897)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1E9A #999A1E

analogous

#1E5B9A #1F1E9A #5D1E9A

triadic

#1F1E9A #9A1F1E #1E9A1F

tetradic

#1F1E9A #9A1E5B #999A1E #1E9A5D

square

#1F1E9A #9A1E5B #999A1E #1E9A5D

split-complementary

#1F1E9A #9A5D1E #5B9A1E

monochromatic

#0A0A34 #151467 #1F1E9A #2928CD #5655DE

Accessibility & contrast

On white

12.28

#1F1E9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F1E9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1E9A

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1E9A	#FFFFFF	#000000	##FFFFFF
##1F1E9A	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9D

Deuteranopia (green-blind)

#002F98

Tritanopia (blue-blind)

#00455C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f1e9a;
/* rgb */ color: rgb(31, 30, 154);
/* oklch */ color: oklch(34.8% 0.190 271.1);

Tailwind

colors: {
  custom: {
    50: '#735db9',
    500: '#1f1e9a',
    950: '#000000',
  },
}

SCSS

$custom: #1f1e9a;
$custom-light: #735db9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1e9a",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 154
  },
  "hsl": {
    "h": 240.484,
    "s": 67.391,
    "l": 36.078
  },
  "oklch": {
    "l": 0.34769,
    "c": 0.19015,
    "h": 271.1
  },
  "luminance": 0.03553
}

Semantic roles & 50–950 ramp

primary

#1F1E9A

secondary

#C0C153

accent

#EA3EE9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F1E9A

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

Preview Lab → · Contrast checker → · Palette generator →