#1C2C80#1C2C80

#1C2C80 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.142 H 268.9°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C80
RGB	rgb(28, 44, 128)
HSL	hsl(230, 64%, 31%)
HSV	hsv(230, 78%, 50%)
CMYK	cmyk(78.1%, 65.6%, 0%, 49.8%)
CIE-LAB	lab(22.32, 25.52, -49.18)
CIE-LCH	lch(22.32, 55.40, 297.43°)
OKLab	oklab(34.04% -0.0027 -0.1422)
OKLCH	oklch(34.04% 0.142 268.9)
XYZ	xyz(5.2745, 3.6062, 20.8360)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C80 #80701C

analogous

#1C5E80 #1C2C80 #3E1C80

triadic

#1C2C80 #801C2C #2C801C

tetradic

#1C2C80 #801C5E #80701C #1C803E

square

#1C2C80 #801C5E #80701C #1C803E

split-complementary

#1C2C80 #803E1C #5E801C

monochromatic

#06091C #111B4E #1C2C80 #273DB2 #4159D5

Accessibility & contrast

On white

12.20

#1C2C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1C2C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C80

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C80	#FFFFFF	#000000	##FFFFFF
##1C2C80	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A83

Deuteranopia (green-blind)

#00317E

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2c80;
/* rgb */ color: rgb(28, 44, 128);
/* oklch */ color: oklch(34.0% 0.142 268.9);

Tailwind

colors: {
  custom: {
    50: '#6965a6',
    500: '#1c2c80',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c80;
$custom-light: #6965a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c80",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 128
  },
  "hsl": {
    "h": 230.4,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3404,
    "c": 0.14222,
    "h": 268.9
  },
  "luminance": 0.03607
}

Semantic roles & 50–950 ramp

primary

#1C2C80

secondary

#B3A244

accent

#CC41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1C2C80

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

Preview Lab → · Contrast checker → · Palette generator →