#1F1C94#1F1C94

#1F1C94 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.185 H 271.7°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#1F1C94
RGB	rgb(31, 28, 148)
HSL	hsl(242, 68%, 35%)
HSV	hsv(242, 81%, 58%)
CMYK	cmyk(79.1%, 81.1%, 0%, 42%)
CIE-LAB	lab(21.05, 42.89, -63.76)
CIE-LCH	lch(21.05, 76.85, 303.93°)
OKLab	oklab(33.81% 0.0055 -0.1846)
OKLCH	oklch(33.81% 0.185 271.7)
XYZ	xyz(6.3238, 3.2592, 28.3070)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1C94 #91941C

analogous

#1C5594 #1F1C94 #5B1C94

triadic

#1F1C94 #941F1C #1C941F

tetradic

#1F1C94 #941C55 #91941C #1C945B

square

#1F1C94 #941C55 #91941C #1C945B

split-complementary

#1F1C94 #945B1C #55941C

monochromatic

#09092D #141261 #1F1C94 #2A26C7 #514DDD

Accessibility & contrast

On white

12.71

#1F1C94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1F1C94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1C94

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1C94	#FFFFFF	#000000	##FFFFFF
##1F1C94	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003897

Deuteranopia (green-blind)

#002C92

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f1c94;
/* rgb */ color: rgb(31, 28, 148);
/* oklch */ color: oklch(33.8% 0.185 271.7);

Tailwind

colors: {
  custom: {
    50: '#715bb5',
    500: '#1f1c94',
    950: '#000000',
  },
}

SCSS

$custom: #1f1c94;
$custom-light: #715bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1c94",
  "rgb": {
    "r": 31,
    "g": 28,
    "b": 148
  },
  "hsl": {
    "h": 241.5,
    "s": 68.182,
    "l": 34.51
  },
  "oklch": {
    "l": 0.33808,
    "c": 0.18464,
    "h": 271.7
  },
  "luminance": 0.0326
}

Semantic roles & 50–950 ramp

primary

#1F1C94

secondary

#BDC04C

accent

#EB3DE7

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F1C94

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

Preview Lab → · Contrast checker → · Palette generator →