#1F1769#1F1769

#1F1769 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.135 H 277.6°. Best body text is #FFFFFF at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F1769
RGB	rgb(31, 23, 105)
HSL	hsl(246, 64%, 25%)
HSV	hsv(246, 78%, 41%)
CMYK	cmyk(70.5%, 78.1%, 0%, 58.8%)
CIE-LAB	lab(15.08, 31.10, -46.27)
CIE-LCH	lch(15.08, 55.75, 303.91°)
OKLab	oklab(28.14% 0.0179 -0.1336)
OKLCH	oklch(28.14% 0.135 277.6)
XYZ	xyz(3.4204, 1.9237, 13.5529)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1769 #616917

analogous

#173869 #1F1769 #481769

triadic

#1F1769 #691F17 #17691F

tetradic

#1F1769 #691738 #616917 #176948

square

#1F1769 #691738 #616917 #176948

split-complementary

#1F1769 #694817 #386917

monochromatic

#070519 #100C37 #1F1769 #2E229B #3D2DCD

Accessibility & contrast

On white

15.16

#1F1769 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F1769 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1769

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1769	#FFFFFF	#000000	##FFFFFF
##1F1769	1.00	15.16	1.38	15.16
#FFFFFF	15.16	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296B

Deuteranopia (green-blind)

#002268

Tritanopia (blue-blind)

#002E3E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f1769;
/* rgb */ color: rgb(31, 23, 105);
/* oklch */ color: oklch(28.1% 0.135 277.6);

Tailwind

colors: {
  custom: {
    50: '#675595',
    500: '#1f1769',
    950: '#000000',
  },
}

SCSS

$custom: #1f1769;
$custom-light: #675595;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1769",
  "rgb": {
    "r": 31,
    "g": 23,
    "b": 105
  },
  "hsl": {
    "h": 245.854,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28143,
    "c": 0.13484,
    "h": 277.6
  },
  "luminance": 0.01924
}

Semantic roles & 50–950 ramp

primary

#1F1769

secondary

#969F3D

accent

#E741D7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #1F1769

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

Preview Lab → · Contrast checker → · Palette generator →