#1C2C8A#1C2C8A

#1C2C8A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.0% C 0.156 H 268.8°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C8A
RGB	rgb(28, 44, 138)
HSL	hsl(231, 66%, 33%)
HSV	hsv(231, 80%, 54%)
CMYK	cmyk(79.7%, 68.1%, 0%, 45.9%)
CIE-LAB	lab(23.28, 29.40, -53.88)
CIE-LCH	lch(23.28, 61.38, 298.62°)
OKLab	oklab(35.03% -0.0032 -0.156)
OKLCH	oklch(35.03% 0.156 268.8)
XYZ	xyz(5.9654, 3.8825, 24.4748)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C8A #8A7A1C

analogous

#1C638A #1C2C8A #431C8A

triadic

#1C2C8A #8A1C2C #2C8A1C

tetradic

#1C2C8A #8A1C63 #8A7A1C #1C8A43

square

#1C2C8A #8A1C63 #8A7A1C #1C8A43

split-complementary

#1C2C8A #8A431C #638A1C

monochromatic

#070C24 #121C57 #1C2C8A #263CBD #475CDA

Accessibility & contrast

On white

11.82

#1C2C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1C2C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C8A

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C8A	#FFFFFF	#000000	##FFFFFF
##1C2C8A	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#003288

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2c8a;
/* rgb */ color: rgb(28, 44, 138);
/* oklch */ color: oklch(35.0% 0.156 268.8);

Tailwind

colors: {
  custom: {
    50: '#6c65ad',
    500: '#1c2c8a',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c8a;
$custom-light: #6c65ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c8a",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 138
  },
  "hsl": {
    "h": 231.273,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35033,
    "c": 0.15599,
    "h": 268.8
  },
  "luminance": 0.03883
}

Semantic roles & 50–950 ramp

primary

#1C2C8A

secondary

#BBAA46

accent

#D03FE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1C2C8A

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

Preview Lab → · Contrast checker → · Palette generator →