#1C2D73#1C2D73

#1C2D73 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.0% C 0.122 H 268.4°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D73
RGB	rgb(28, 45, 115)
HSL	hsl(228, 61%, 28%)
HSV	hsv(228, 76%, 45%)
CMYK	cmyk(75.7%, 60.9%, 0%, 54.9%)
CIE-LAB	lab(21.44, 19.67, -42.36)
CIE-LCH	lch(21.44, 46.70, 294.90°)
OKLab	oklab(33.02% -0.0033 -0.1222)
OKLCH	oklch(33.02% 0.122 268.4)
XYZ	xyz(4.5107, 3.3610, 16.6273)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D73 #73621C

analogous

#1C5873 #1C2D73 #361C73

triadic

#1C2D73 #731C2D #2D731C

tetradic

#1C2D73 #731C58 #73621C #1C7336

square

#1C2D73 #731C58 #73621C #1C7336

split-complementary

#1C2D73 #73361C #58731C

monochromatic

#060A19 #101A42 #1C2D73 #2840A4 #3A57CF

Accessibility & contrast

On white

12.56

#1C2D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1C2D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D73

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D73	#FFFFFF	#000000	##FFFFFF
##1C2D73	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003875

Deuteranopia (green-blind)

#003072

Tritanopia (blue-blind)

#003E4B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c2d73;
/* rgb */ color: rgb(28, 45, 115);
/* oklch */ color: oklch(33.0% 0.122 268.4);

Tailwind

colors: {
  custom: {
    50: '#66659c',
    500: '#1c2d73',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d73;
$custom-light: #66659c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d73",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 115
  },
  "hsl": {
    "h": 228.276,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.3302,
    "c": 0.12223,
    "h": 268.4
  },
  "luminance": 0.03361
}

Semantic roles & 50–950 ramp

primary

#1C2D73

secondary

#A79443

accent

#C544E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1C2D73

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

Preview Lab → · Contrast checker → · Palette generator →