#1C2D80#1C2D80

#1C2D80 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.141 H 268.6°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D80
RGB	rgb(28, 45, 128)
HSL	hsl(230, 64%, 31%)
HSV	hsv(230, 78%, 50%)
CMYK	cmyk(78.1%, 64.8%, 0%, 49.8%)
CIE-LAB	lab(22.59, 24.83, -48.74)
CIE-LCH	lch(22.59, 54.70, 297.00°)
OKLab	oklab(34.24% -0.0034 -0.1409)
OKLCH	oklch(34.24% 0.141 268.6)
XYZ	xyz(5.3122, 3.6816, 20.8485)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D80 #806F1C

analogous

#1C5F80 #1C2D80 #3D1C80

triadic

#1C2D80 #801C2D #2D801C

tetradic

#1C2D80 #801C5F #806F1C #1C803D

square

#1C2D80 #801C5F #806F1C #1C803D

split-complementary

#1C2D80 #803D1C #5F801C

monochromatic

#060A1C #111B4E #1C2D80 #273FB2 #415AD5

Accessibility & contrast

On white

12.09

#1C2D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C2D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D80

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D80	#FFFFFF	#000000	##FFFFFF
##1C2D80	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)

#003B83

Deuteranopia (green-blind)

#00317E

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2d80;
/* rgb */ color: rgb(28, 45, 128);
/* oklch */ color: oklch(34.2% 0.141 268.6);

Tailwind

colors: {
  custom: {
    50: '#6965a6',
    500: '#1c2d80',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d80;
$custom-light: #6965a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d80",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 128
  },
  "hsl": {
    "h": 229.8,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34235,
    "c": 0.14095,
    "h": 268.6
  },
  "luminance": 0.03682
}

Semantic roles & 50–950 ramp

primary

#1C2D80

secondary

#B3A144

accent

#CB41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1C2D80

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

Preview Lab → · Contrast checker → · Palette generator →