#1C2B84#1C2B84

#1C2B84 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.149 H 269.1°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B84
RGB	rgb(28, 43, 132)
HSL	hsl(231, 65%, 31%)
HSV	hsv(231, 79%, 52%)
CMYK	cmyk(78.8%, 67.4%, 0%, 48.2%)
CIE-LAB	lab(22.44, 27.76, -51.50)
CIE-LCH	lch(22.44, 58.50, 298.33°)
OKLab	oklab(34.24% -0.0023 -0.149)
OKLCH	oklch(34.24% 0.149 269.1)
XYZ	xyz(5.5062, 3.6400, 22.2377)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B84 #84751C

analogous

#1C5F84 #1C2B84 #411C84

triadic

#1C2B84 #841C2B #2B841C

tetradic

#1C2B84 #841C5F #84751C #1C8441

square

#1C2B84 #841C5F #84751C #1C8441

split-complementary

#1C2B84 #84411C #5F841C

monochromatic

#070A1F #111B52 #1C2B84 #273BB6 #4359D7

Accessibility & contrast

On white

12.15

#1C2B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1C2B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B84

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B84	#FFFFFF	#000000	##FFFFFF
##1C2B84	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B87

Deuteranopia (green-blind)

#003182

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2b84;
/* rgb */ color: rgb(28, 43, 132);
/* oklch */ color: oklch(34.2% 0.149 269.1);

Tailwind

colors: {
  custom: {
    50: '#6a64a9',
    500: '#1c2b84',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b84;
$custom-light: #6a64a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b84",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 132
  },
  "hsl": {
    "h": 231.346,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34244,
    "c": 0.14902,
    "h": 269.1
  },
  "luminance": 0.03641
}

Semantic roles & 50–950 ramp

primary

#1C2B84

secondary

#B7A745

accent

#D040E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1C2B84

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

Preview Lab → · Contrast checker → · Palette generator →