#1C2C83#1C2C83

#1C2C83 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.3% C 0.146 H 268.9°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C83
RGB	rgb(28, 44, 131)
HSL	hsl(231, 65%, 31%)
HSV	hsv(231, 79%, 51%)
CMYK	cmyk(78.6%, 66.4%, 0%, 48.6%)
CIE-LAB	lab(22.61, 26.69, -50.60)
CIE-LCH	lch(22.61, 57.21, 297.81°)
OKLab	oklab(34.33% -0.0028 -0.1464)
OKLCH	oklch(34.33% 0.146 268.9)
XYZ	xyz(5.4749, 3.6863, 21.8913)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C83 #83731C

analogous

#1C5F83 #1C2C83 #3F1C83

triadic

#1C2C83 #831C2C #2C831C

tetradic

#1C2C83 #831C5F #83731C #1C833F

square

#1C2C83 #831C5F #83731C #1C833F

split-complementary

#1C2C83 #833F1C #5F831C

monochromatic

#060A1E #111B51 #1C2C83 #273DB5 #435AD7

Accessibility & contrast

On white

12.09

#1C2C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C2C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C83

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C83	#FFFFFF	#000000	##FFFFFF
##1C2C83	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B86

Deuteranopia (green-blind)

#003181

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2c83;
/* rgb */ color: rgb(28, 44, 131);
/* oklch */ color: oklch(34.3% 0.146 268.9);

Tailwind

colors: {
  custom: {
    50: '#6a65a8',
    500: '#1c2c83',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c83;
$custom-light: #6a65a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c83",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 131
  },
  "hsl": {
    "h": 230.68,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34334,
    "c": 0.1464,
    "h": 268.9
  },
  "luminance": 0.03687
}

Semantic roles & 50–950 ramp

primary

#1C2C83

secondary

#B6A545

accent

#CE40E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1C2C83

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

Preview Lab → · Contrast checker → · Palette generator →