#1F1464#1F1464

#1F1464 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.131 H 279.3°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#1F1464
RGB	rgb(31, 20, 100)
HSL	hsl(248, 67%, 24%)
HSV	hsv(248, 80%, 39%)
CMYK	cmyk(69%, 80%, 0%, 60.8%)
CIE-LAB	lab(13.89, 31.15, -44.93)
CIE-LCH	lch(13.89, 54.67, 304.73°)
OKLab	oklab(27.14% 0.0211 -0.1297)
OKLCH	oklch(27.14% 0.131 279.3)
XYZ	xyz(3.1147, 1.7115, 12.2203)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1464 #596414

analogous

#143164 #1F1464 #471464

triadic

#1F1464 #641F14 #14641F

tetradic

#1F1464 #641431 #596414 #146447

square

#1F1464 #641431 #596414 #146447

split-complementary

#1F1464 #644714 #316414

monochromatic

#08051A #0F0A31 #1F1464 #2F1E97 #3F28CA

Accessibility & contrast

On white

15.64

#1F1464 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1F1464 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1464

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1464	#FFFFFF	#000000	##FFFFFF
##1F1464	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002666

Deuteranopia (green-blind)

#002063

Tritanopia (blue-blind)

#002B3B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1f1464;
/* rgb */ color: rgb(31, 20, 100);
/* oklch */ color: oklch(27.1% 0.131 279.3);

Tailwind

colors: {
  custom: {
    50: '#665391',
    500: '#1f1464',
    950: '#000000',
  },
}

SCSS

$custom: #1f1464;
$custom-light: #665391;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1464",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 100
  },
  "hsl": {
    "h": 248.25,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27137,
    "c": 0.13143,
    "h": 279.3
  },
  "luminance": 0.01712
}

Semantic roles & 50–950 ramp

primary

#1F1464

secondary

#8E9B38

accent

#EA3ED2

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1F1464

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

Preview Lab → · Contrast checker → · Palette generator →