#1F1992#1F1992

#1F1992 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.185 H 272.1°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F1992
RGB	rgb(31, 25, 146)
HSL	hsl(243, 71%, 34%)
HSV	hsv(243, 83%, 57%)
CMYK	cmyk(78.8%, 82.9%, 0%, 42.7%)
CIE-LAB	lab(20.29, 43.77, -63.79)
CIE-LCH	lch(20.29, 77.36, 304.45°)
OKLab	oklab(33.2% 0.0068 -0.1846)
OKLCH	oklch(33.2% 0.185 272.1)
XYZ	xyz(6.0993, 3.0612, 27.4580)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1992 #8C9219

analogous

#194F92 #1F1992 #5B1992

triadic

#1F1992 #921F19 #19921F

tetradic

#1F1992 #92194F #8C9219 #19925B

square

#1F1992 #92194F #8C9219 #19925B

split-complementary

#1F1992 #925B19 #4F9219

monochromatic

#090729 #14105E #1F1992 #2A22C6 #4E46DF

Accessibility & contrast

On white

13.02

#1F1992 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F1992 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1992

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1992	#FFFFFF	#000000	##FFFFFF
##1F1992	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003795

Deuteranopia (green-blind)

#002B90

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f1992;
/* rgb */ color: rgb(31, 25, 146);
/* oklch */ color: oklch(33.2% 0.185 272.1);

Tailwind

colors: {
  custom: {
    50: '#7159b3',
    500: '#1f1992',
    950: '#000000',
  },
}

SCSS

$custom: #1f1992;
$custom-light: #7159b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1992",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 146
  },
  "hsl": {
    "h": 242.975,
    "s": 70.76,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33204,
    "c": 0.18473,
    "h": 272.1
  },
  "luminance": 0.03062
}

Semantic roles & 50–950 ramp

primary

#1F1992

secondary

#BBC146

accent

#EE3AE5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F1992

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

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