#1F106A#1F106A

#1F106A is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.3% C 0.143 H 278.7°. Best body text is #FFFFFF at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#1F106A
RGB	rgb(31, 16, 106)
HSL	hsl(250, 74%, 24%)
HSV	hsv(250, 85%, 42%)
CMYK	cmyk(70.8%, 84.9%, 0%, 58.4%)
CIE-LAB	lab(13.84, 35.33, -48.98)
CIE-LCH	lch(13.84, 60.39, 305.81°)
OKLab	oklab(27.31% 0.0217 -0.1415)
OKLCH	oklch(27.31% 0.143 278.7)
XYZ	xyz(3.3510, 1.7022, 13.7848)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F106A #5B6A10

analogous

#102E6A #1F106A #4C106A

triadic

#1F106A #6A1F10 #106A1F

tetradic

#1F106A #6A102E #5B6A10 #106A4C

square

#1F106A #6A102E #5B6A10 #106A4C

split-complementary

#1F106A #6A4C10 #2E6A10

monochromatic

#08041B #0F0835 #1F106A #2F189F #3E20D4

Accessibility & contrast

On white

15.67

#1F106A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1F106A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F106A

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F106A	#FFFFFF	#000000	##FFFFFF
##1F106A	1.00	15.67	1.34	15.67
#FFFFFF	15.67	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00276C

Deuteranopia (green-blind)

#002068

Tritanopia (blue-blind)

#002C3E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1f106a;
/* rgb */ color: rgb(31, 16, 106);
/* oklch */ color: oklch(27.3% 0.143 278.7);

Tailwind

colors: {
  custom: {
    50: '#685196',
    500: '#1f106a',
    950: '#000000',
  },
}

SCSS

$custom: #1f106a;
$custom-light: #685196;
$custom-dark: #000000;

JSON

{
  "hex": "#1f106a",
  "rgb": {
    "r": 31,
    "g": 16,
    "b": 106
  },
  "hsl": {
    "h": 250,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27308,
    "c": 0.14311,
    "h": 278.7
  },
  "luminance": 0.01702
}

Semantic roles & 50–950 ramp

primary

#1F106A

secondary

#90A234

accent

#F037D2

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1F106A

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

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