#1C2A82#1C2A82

#1C2A82 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.147 H 269.4°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C2A82
RGB	rgb(28, 42, 130)
HSL	hsl(232, 65%, 31%)
HSV	hsv(232, 78%, 51%)
CMYK	cmyk(78.5%, 67.7%, 0%, 49%)
CIE-LAB	lab(21.99, 27.67, -50.98)
CIE-LCH	lch(21.99, 58.00, 298.49°)
OKLab	oklab(33.86% -0.0015 -0.1475)
OKLCH	oklch(33.86% 0.147 269.4)
XYZ	xyz(5.3347, 3.5139, 21.5119)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2A82 #82741C

analogous

#1C5D82 #1C2A82 #411C82

triadic

#1C2A82 #821C2A #2A821C

tetradic

#1C2A82 #821C5D #82741C #1C8241

square

#1C2A82 #821C5D #82741C #1C8241

split-complementary

#1C2A82 #82411C #5D821C

monochromatic

#06091D #111A50 #1C2A82 #273AB4 #4256D6

Accessibility & contrast

On white

12.33

#1C2A82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C2A82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2A82

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2A82	#FFFFFF	#000000	##FFFFFF
##1C2A82	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A85

Deuteranopia (green-blind)

#003080

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2a82;
/* rgb */ color: rgb(28, 42, 130);
/* oklch */ color: oklch(33.9% 0.147 269.4);

Tailwind

colors: {
  custom: {
    50: '#6a63a7',
    500: '#1c2a82',
    950: '#000000',
  },
}

SCSS

$custom: #1c2a82;
$custom-light: #6a63a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2a82",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 130
  },
  "hsl": {
    "h": 231.765,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33856,
    "c": 0.14749,
    "h": 269.4
  },
  "luminance": 0.03515
}

Semantic roles & 50–950 ramp

primary

#1C2A82

secondary

#B5A644

accent

#D140E8

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1C2A82

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

Preview Lab → · Contrast checker → · Palette generator →