#1C2A8A#1C2A8A

#1C2A8A is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.7% C 0.158 H 269.2°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A8A
RGB	rgb(28, 42, 138)
HSL	hsl(232, 66%, 33%)
HSV	hsv(232, 80%, 54%)
CMYK	cmyk(79.7%, 69.6%, 0%, 45.9%)
CIE-LAB	lab(22.78, 30.73, -54.70)
CIE-LCH	lch(22.78, 62.74, 299.32°)
OKLab	oklab(34.67% -0.0021 -0.1583)
OKLCH	oklch(34.67% 0.158 269.2)
XYZ	xyz(5.8927, 3.7371, 24.4506)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A8A #8A7C1C

analogous

#1C618A #1C2A8A #451C8A

triadic

#1C2A8A #8A1C2A #2A8A1C

tetradic

#1C2A8A #8A1C61 #8A7C1C #1C8A45

square

#1C2A8A #8A1C61 #8A7C1C #1C8A45

split-complementary

#1C2A8A #8A451C #618A1C

monochromatic

#070B24 #121B57 #1C2A8A #2639BD #4759DA

Accessibility & contrast

On white

12.02

#1C2A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1C2A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A8A

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A8A	#FFFFFF	#000000	##FFFFFF
##1C2A8A	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003188

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2a8a;
/* rgb */ color: rgb(28, 42, 138);
/* oklch */ color: oklch(34.7% 0.158 269.2);

Tailwind

colors: {
  custom: {
    50: '#6c63ad',
    500: '#1c2a8a',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a8a;
$custom-light: #6c63ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a8a",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 138
  },
  "hsl": {
    "h": 232.364,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34671,
    "c": 0.15836,
    "h": 269.2
  },
  "luminance": 0.03738
}

Semantic roles & 50–950 ramp

primary

#1C2A8A

secondary

#BBAD46

accent

#D33FE9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C2A8A

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

Preview Lab → · Contrast checker → · Palette generator →