#1C1CA9#1C1CA9

#1C1CA9 is a dark, highly saturated blue. Relative luminance 0.039; OKLCH L 36.2% C 0.210 H 269.3°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C1CA9
RGB	rgb(28, 28, 169)
HSL	hsl(240, 72%, 39%)
HSV	hsv(240, 83%, 66%)
CMYK	cmyk(83.4%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(23.48, 49.45, -72.58)
CIE-LCH	lch(23.48, 87.83, 304.27°)
OKLab	oklab(36.19% -0.0024 -0.2101)
OKLCH	oklch(36.19% 0.21 269.3)
XYZ	xyz(8.0531, 3.9410, 37.8647)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1CA9 #A9A91C

analogous

#1C62A9 #1C1CA9 #621CA9

triadic

#1C1CA9 #A91C1C #1CA91C

tetradic

#1C1CA9 #A91C62 #A9A91C #1CA962

square

#1C1CA9 #A91C62 #A9A91C #1CA962

split-complementary

#1C1CA9 #A9621C #62A91C

monochromatic

#0B0B40 #131374 #1C1CA9 #2727DB #5B5BE4

Accessibility & contrast

On white

11.74

#1C1CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1C1CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1CA9

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1CA9	#FFFFFF	#000000	##FFFFFF
##1C1CA9	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAD

Deuteranopia (green-blind)

#0030A7

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1c1ca9;
/* rgb */ color: rgb(28, 28, 169);
/* oklch */ color: oklch(36.2% 0.210 269.3);

Tailwind

colors: {
  custom: {
    50: '#765dc4',
    500: '#1c1ca9',
    950: '#000000',
  },
}

SCSS

$custom: #1c1ca9;
$custom-light: #765dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1ca9",
  "rgb": {
    "r": 28,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 240,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36189,
    "c": 0.21015,
    "h": 269.3
  },
  "luminance": 0.03942
}

Semantic roles & 50–950 ramp

primary

#1C1CA9

secondary

#C8C859

accent

#EE39EE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0A0413

muted

#7C7982

Preview Lab

Preview with #1C1CA9

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

Preview Lab → · Contrast checker → · Palette generator →