#1917A1#1917A1

#1917A1 is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.5% C 0.205 H 269.1°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#1917A1
RGB	rgb(25, 23, 161)
HSL	hsl(241, 75%, 36%)
HSV	hsv(241, 86%, 63%)
CMYK	cmyk(84.5%, 85.7%, 0%, 36.9%)
CIE-LAB	lab(21.55, 49.10, -70.93)
CIE-LCH	lch(21.55, 86.27, 304.69°)
OKLab	oklab(34.53% -0.0031 -0.2053)
OKLCH	oklch(34.53% 0.205 269.1)
XYZ	xyz(7.1381, 3.3918, 33.9898)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1917A1 #9FA117

analogous

#175AA1 #1917A1 #5E17A1

triadic

#1917A1 #A11917 #17A119

tetradic

#1917A1 #A1175A #9FA117 #17A15E

square

#1917A1 #A1175A #9FA117 #17A15E

split-complementary

#1917A1 #A15E17 #5AA117

monochromatic

#080836 #110F6B #1917A1 #211FD7 #4F4DE6

Accessibility & contrast

On white

12.51

#1917A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1917A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1917A1

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1917A1	#FFFFFF	#000000	##FFFFFF
##1917A1	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA5

Deuteranopia (green-blind)

#002C9F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1917a1;
/* rgb */ color: rgb(25, 23, 161);
/* oklch */ color: oklch(34.5% 0.205 269.1);

Tailwind

colors: {
  custom: {
    50: '#7359be',
    500: '#1917a1',
    950: '#000000',
  },
}

SCSS

$custom: #1917a1;
$custom-light: #7359be;
$custom-dark: #000000;

JSON

{
  "hex": "#1917a1",
  "rgb": {
    "r": 25,
    "g": 23,
    "b": 161
  },
  "hsl": {
    "h": 240.87,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3453,
    "c": 0.20532,
    "h": 269.1
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#1917A1

secondary

#C6C74C

accent

#F236EF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1917A1

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

Preview Lab → · Contrast checker → · Palette generator →