#1A17A0#1A17A0

#1A17A0 is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.4% C 0.204 H 269.5°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1A17A0
RGB	rgb(26, 23, 160)
HSL	hsl(241, 75%, 36%)
HSV	hsv(241, 86%, 63%)
CMYK	cmyk(83.8%, 85.6%, 0%, 37.3%)
CIE-LAB	lab(21.47, 48.84, -70.46)
CIE-LCH	lch(21.47, 85.73, 304.73°)
OKLab	oklab(34.45% -0.0018 -0.2039)
OKLCH	oklch(34.45% 0.204 269.5)
XYZ	xyz(7.0754, 3.3696, 33.5284)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A17A0 #9DA017

analogous

#1758A0 #1A17A0 #5E17A0

triadic

#1A17A0 #A01A17 #17A01A

tetradic

#1A17A0 #A01758 #9DA017 #17A05E

square

#1A17A0 #A01758 #9DA017 #17A05E

split-complementary

#1A17A0 #A05E17 #58A017

monochromatic

#090835 #110F6A #1A17A0 #231FD6 #4F4CE5

Accessibility & contrast

On white

12.54

#1A17A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1A17A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A17A0

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A17A0	#FFFFFF	#000000	##FFFFFF
##1A17A0	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA4

Deuteranopia (green-blind)

#002C9E

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a17a0;
/* rgb */ color: rgb(26, 23, 160);
/* oklch */ color: oklch(34.4% 0.204 269.5);

Tailwind

colors: {
  custom: {
    50: '#7359be',
    500: '#1a17a0',
    950: '#000000',
  },
}

SCSS

$custom: #1a17a0;
$custom-light: #7359be;
$custom-dark: #000000;

JSON

{
  "hex": "#1a17a0",
  "rgb": {
    "r": 26,
    "g": 23,
    "b": 160
  },
  "hsl": {
    "h": 241.314,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.3445,
    "c": 0.20393,
    "h": 269.5
  },
  "luminance": 0.0337
}

Semantic roles & 50–950 ramp

primary

#1A17A0

secondary

#C4C74C

accent

#F136ED

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A17A0

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

Preview Lab → · Contrast checker → · Palette generator →