#1F1994#1F1994

#1F1994 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.4% C 0.187 H 271.9°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#1F1994
RGB	rgb(31, 25, 148)
HSL	hsl(243, 71%, 34%)
HSV	hsv(243, 83%, 58%)
CMYK	cmyk(79.1%, 83.1%, 0%, 42%)
CIE-LAB	lab(20.53, 44.41, -64.62)
CIE-LCH	lch(20.53, 78.41, 304.50°)
OKLab	oklab(33.45% 0.0063 -0.187)
OKLCH	oklch(33.45% 0.187 271.9)
XYZ	xyz(6.2562, 3.1240, 28.2845)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1994 #8E9419

analogous

#195194 #1F1994 #5D1994

triadic

#1F1994 #941F19 #19941F

tetradic

#1F1994 #941951 #8E9419 #19945D

square

#1F1994 #941951 #8E9419 #19945D

split-complementary

#1F1994 #945D19 #519419

monochromatic

#09072B #141060 #1F1994 #2A22C8 #4F47E0

Accessibility & contrast

On white

12.92

#1F1994 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1F1994 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1994

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1994	#FFFFFF	#000000	##FFFFFF
##1F1994	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003797

Deuteranopia (green-blind)

#002B92

Tritanopia (blue-blind)

#004058

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f1994;
/* rgb */ color: rgb(31, 25, 148);
/* oklch */ color: oklch(33.4% 0.187 271.9);

Tailwind

colors: {
  custom: {
    50: '#715ab5',
    500: '#1f1994',
    950: '#000000',
  },
}

SCSS

$custom: #1f1994;
$custom-light: #715ab5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1994",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 148
  },
  "hsl": {
    "h": 242.927,
    "s": 71.098,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33446,
    "c": 0.18711,
    "h": 271.9
  },
  "luminance": 0.03125
}

Semantic roles & 50–950 ramp

primary

#1F1994

secondary

#BBC147

accent

#EE3AE5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F1994

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

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