#1F1C93#1F1C93

#1F1C93 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.7% C 0.183 H 271.8°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F1C93
RGB	rgb(31, 28, 147)
HSL	hsl(242, 68%, 34%)
HSV	hsv(242, 81%, 58%)
CMYK	cmyk(78.9%, 81%, 0%, 42.4%)
CIE-LAB	lab(20.93, 42.56, -63.34)
CIE-LCH	lch(20.93, 76.31, 303.90°)
OKLab	oklab(33.69% 0.0057 -0.1833)
OKLCH	oklch(33.69% 0.183 271.8)
XYZ	xyz(6.2450, 3.2277, 27.8920)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1C93 #90931C

analogous

#1C5493 #1F1C93 #5B1C93

triadic

#1F1C93 #931F1C #1C931F

tetradic

#1F1C93 #931C54 #90931C #1C935B

square

#1F1C93 #931C54 #90931C #1C935B

split-complementary

#1F1C93 #935B1C #54931C

monochromatic

#09082C #141260 #1F1C93 #2A26C6 #504CDD

Accessibility & contrast

On white

12.76

#1F1C93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1F1C93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1C93

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1C93	#FFFFFF	#000000	##FFFFFF
##1F1C93	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003896

Deuteranopia (green-blind)

#002C91

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f1c93;
/* rgb */ color: rgb(31, 28, 147);
/* oklch */ color: oklch(33.7% 0.183 271.8);

Tailwind

colors: {
  custom: {
    50: '#715bb4',
    500: '#1f1c93',
    950: '#000000',
  },
}

SCSS

$custom: #1f1c93;
$custom-light: #715bb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1c93",
  "rgb": {
    "r": 31,
    "g": 28,
    "b": 147
  },
  "hsl": {
    "h": 241.513,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.33689,
    "c": 0.18343,
    "h": 271.8
  },
  "luminance": 0.03228
}

Semantic roles & 50–950 ramp

primary

#1F1C93

secondary

#BCBF4C

accent

#EB3DE6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F1C93

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

Preview Lab → · Contrast checker → · Palette generator →