#1C2A74#1C2A74

#1C2A74 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.5% C 0.128 H 269.6°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A74
RGB	rgb(28, 42, 116)
HSL	hsl(230, 61%, 28%)
HSV	hsv(230, 76%, 45%)
CMYK	cmyk(75.9%, 63.8%, 0%, 54.5%)
CIE-LAB	lab(20.69, 22.19, -44.22)
CIE-LCH	lch(20.69, 49.48, 296.65°)
OKLab	oklab(32.49% -0.0009 -0.1277)
OKLCH	oklch(32.49% 0.128 269.6)
XYZ	xyz(4.4582, 3.1633, 16.8952)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A74 #74661C

analogous

#1C5674 #1C2A74 #3A1C74

triadic

#1C2A74 #741C2A #2A741C

tetradic

#1C2A74 #741C56 #74661C #1C743A

square

#1C2A74 #741C56 #74661C #1C743A

split-complementary

#1C2A74 #743A1C #56741C

monochromatic

#060919 #101843 #1C2A74 #283CA5 #3B52D0

Accessibility & contrast

On white

12.86

#1C2A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1C2A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A74

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A74	#FFFFFF	#000000	##FFFFFF
##1C2A74	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003676

Deuteranopia (green-blind)

#002E73

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2a74;
/* rgb */ color: rgb(28, 42, 116);
/* oklch */ color: oklch(32.5% 0.128 269.6);

Tailwind

colors: {
  custom: {
    50: '#66639d',
    500: '#1c2a74',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a74;
$custom-light: #66639d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a74",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 116
  },
  "hsl": {
    "h": 230.455,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3249,
    "c": 0.12769,
    "h": 269.6
  },
  "luminance": 0.03164
}

Semantic roles & 50–950 ramp

primary

#1C2A74

secondary

#A89843

accent

#CB44E4

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1C2A74

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

Preview Lab → · Contrast checker → · Palette generator →