#1C1CA0#1C1CA0

#1C1CA0 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.200 H 269.8°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#1C1CA0
RGB	rgb(28, 28, 160)
HSL	hsl(240, 70%, 37%)
HSV	hsv(240, 83%, 63%)
CMYK	cmyk(82.5%, 82.5%, 0%, 37.3%)
CIE-LAB	lab(22.35, 46.60, -68.98)
CIE-LCH	lch(22.35, 83.25, 304.04°)
OKLab	oklab(35.09% -0.0006 -0.1997)
OKLCH	oklch(35.09% 0.2 269.8)
XYZ	xyz(7.2371, 3.6146, 33.5671)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1CA0 #A0A01C

analogous

#1C5EA0 #1C1CA0 #5E1CA0

triadic

#1C1CA0 #A01C1C #1CA01C

tetradic

#1C1CA0 #A01C5E #A0A01C #1CA05E

square

#1C1CA0 #A01C5E #A0A01C #1CA05E

split-complementary

#1C1CA0 #A05E1C #5EA01C

monochromatic

#0A0A38 #13136C #1C1CA0 #2525D4 #5555E1

Accessibility & contrast

On white

12.19

#1C1CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1C1CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1CA0

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1CA0	#FFFFFF	#000000	##FFFFFF
##1C1CA0	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA4

Deuteranopia (green-blind)

#002E9E

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c1ca0;
/* rgb */ color: rgb(28, 28, 160);
/* oklch */ color: oklch(35.1% 0.200 269.8);

Tailwind

colors: {
  custom: {
    50: '#735cbe',
    500: '#1c1ca0',
    950: '#000000',
  },
}

SCSS

$custom: #1c1ca0;
$custom-light: #735cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1ca0",
  "rgb": {
    "r": 28,
    "g": 28,
    "b": 160
  },
  "hsl": {
    "h": 240,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35091,
    "c": 0.19972,
    "h": 269.8
  },
  "luminance": 0.03615
}

Semantic roles & 50–950 ramp

primary

#1C1CA0

secondary

#C4C453

accent

#ED3BED

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C1CA0

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

Preview Lab → · Contrast checker → · Palette generator →