#1F1D94#1F1D94

#1F1D94 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.9% C 0.184 H 271.6°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#1F1D94
RGB	rgb(31, 29, 148)
HSL	hsl(241, 67%, 35%)
HSV	hsv(241, 80%, 58%)
CMYK	cmyk(79.1%, 80.4%, 0%, 42%)
CIE-LAB	lab(21.24, 42.36, -63.46)
CIE-LCH	lch(21.24, 76.30, 303.73°)
OKLab	oklab(33.93% 0.0051 -0.1837)
OKLCH	oklch(33.93% 0.184 271.6)
XYZ	xyz(6.3479, 3.3075, 28.3151)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1D94 #92941D

analogous

#1D5794 #1F1D94 #5A1D94

triadic

#1F1D94 #941F1D #1D941F

tetradic

#1F1D94 #941D57 #92941D #1D945A

square

#1F1D94 #941D57 #92941D #1D945A

split-complementary

#1F1D94 #945A1D #57941D

monochromatic

#0A092E #141361 #1F1D94 #2A27C7 #514FDC

Accessibility & contrast

On white

12.64

#1F1D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1F1D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1D94

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1D94	#FFFFFF	#000000	##FFFFFF
##1F1D94	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003997

Deuteranopia (green-blind)

#002D92

Tritanopia (blue-blind)

#004258

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f1d94;
/* rgb */ color: rgb(31, 29, 148);
/* oklch */ color: oklch(33.9% 0.184 271.6);

Tailwind

colors: {
  custom: {
    50: '#715cb5',
    500: '#1f1d94',
    950: '#000000',
  },
}

SCSS

$custom: #1f1d94;
$custom-light: #715cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1d94",
  "rgb": {
    "r": 31,
    "g": 29,
    "b": 148
  },
  "hsl": {
    "h": 241.008,
    "s": 67.232,
    "l": 34.706
  },
  "oklch": {
    "l": 0.33935,
    "c": 0.18377,
    "h": 271.6
  },
  "luminance": 0.03308
}

Semantic roles & 50–950 ramp

primary

#1F1D94

secondary

#BDBF4E

accent

#EA3EE7

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F1D94

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

Preview Lab → · Contrast checker → · Palette generator →