#1F1796#1F1796

#1F1796 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.5% C 0.191 H 271.9°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#1F1796
RGB	rgb(31, 23, 150)
HSL	hsl(244, 73%, 34%)
HSV	hsv(244, 85%, 59%)
CMYK	cmyk(79.3%, 84.7%, 0%, 41.2%)
CIE-LAB	lab(20.46, 45.99, -65.98)
CIE-LCH	lch(20.46, 80.42, 304.88°)
OKLab	oklab(33.47% 0.0064 -0.1909)
OKLCH	oklch(33.47% 0.191 271.9)
XYZ	xyz(6.3746, 3.1054, 29.1117)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1796 #8E9617

analogous

#174F96 #1F1796 #5F1796

triadic

#1F1796 #961F17 #17961F

tetradic

#1F1796 #96174F #8E9617 #17965F

square

#1F1796 #96174F #8E9617 #17965F

split-complementary

#1F1796 #965F17 #4F9617

monochromatic

#09072C #140F61 #1F1796 #2A1FCB #4F45E2

Accessibility & contrast

On white

12.95

#1F1796 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F1796 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1796

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1796	#FFFFFF	#000000	##FFFFFF
##1F1796	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003799

Deuteranopia (green-blind)

#002B94

Tritanopia (blue-blind)

#004058

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f1796;
/* rgb */ color: rgb(31, 23, 150);
/* oklch */ color: oklch(33.5% 0.191 271.9);

Tailwind

colors: {
  custom: {
    50: '#7259b6',
    500: '#1f1796',
    950: '#000000',
  },
}

SCSS

$custom: #1f1796;
$custom-light: #7259b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1796",
  "rgb": {
    "r": 31,
    "g": 23,
    "b": 150
  },
  "hsl": {
    "h": 243.78,
    "s": 73.41,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33467,
    "c": 0.191,
    "h": 271.9
  },
  "luminance": 0.03106
}

Semantic roles & 50–950 ramp

primary

#1F1796

secondary

#BBC345

accent

#F038E4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F1796

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

Preview Lab → · Contrast checker → · Palette generator →