#1C2AA0#1C2AA0

#1C2AA0 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.187 H 268.6°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C2AA0
RGB	rgb(28, 42, 160)
HSL	hsl(234, 70%, 37%)
HSV	hsv(234, 83%, 63%)
CMYK	cmyk(82.5%, 73.8%, 0%, 37.3%)
CIE-LAB	lab(25.08, 38.83, -64.47)
CIE-LCH	lch(25.08, 75.26, 301.06°)
OKLab	oklab(37.01% -0.0045 -0.1868)
OKLCH	oklch(37.01% 0.187 268.6)
XYZ	xyz(7.6498, 4.4400, 33.7047)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2AA0 #A0921C

analogous

#1C6CA0 #1C2AA0 #501CA0

triadic

#1C2AA0 #A01C2A #2AA01C

tetradic

#1C2AA0 #A01C6C #A0921C #1CA050

square

#1C2AA0 #A01C6C #A0921C #1CA050

split-complementary

#1C2AA0 #A0501C #6CA01C

monochromatic

#0A0F38 #131C6C #1C2AA0 #2538D4 #5564E1

Accessibility & contrast

On white

11.12

#1C2AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1C2AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2AA0

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2AA0	#FFFFFF	#000000	##FFFFFF
##1C2AA0	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A3

Deuteranopia (green-blind)

#00359E

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c2aa0;
/* rgb */ color: rgb(28, 42, 160);
/* oklch */ color: oklch(37.0% 0.187 268.6);

Tailwind

colors: {
  custom: {
    50: '#7264bd',
    500: '#1c2aa0',
    950: '#000000',
  },
}

SCSS

$custom: #1c2aa0;
$custom-light: #7264bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2aa0",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 160
  },
  "hsl": {
    "h": 233.636,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37012,
    "c": 0.18688,
    "h": 268.6
  },
  "luminance": 0.04441
}

Semantic roles & 50–950 ramp

primary

#1C2AA0

secondary

#C4B853

accent

#DA3BED

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #1C2AA0

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

Preview Lab → · Contrast checker → · Palette generator →