#1C2D4E#1C2D4E

#1C2D4E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.1% C 0.064 H 262.5°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#1C2D4E
RGB	rgb(28, 45, 78)
HSL	hsl(220, 47%, 21%)
HSV	hsv(220, 64%, 31%)
CMYK	cmyk(64.1%, 42.3%, 0%, 69.4%)
CIE-LAB	lab(18.69, 4.77, -22.45)
CIE-LCH	lch(18.69, 22.95, 281.98°)
OKLab	oklab(30.05% -0.0083 -0.0637)
OKLCH	oklch(30.05% 0.064 262.5)
XYZ	xyz(2.7919, 2.6735, 7.5752)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2D4E #4E3D1C

analogous

#1C464E #1C2D4E #241C4E

triadic

#1C2D4E #4E1C2D #2D4E1C

tetradic

#1C2D4E #4E1C46 #4E3D1C #1C4E24

square

#1C2D4E #4E1C46 #4E3D1C #1C4E24

split-complementary

#1C2D4E #4E241C #464E1C

monochromatic

#080D17 #0C1321 #1C2D4E #2C477B #3C61A8

Accessibility & contrast

On white

13.68

#1C2D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1C2D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2D4E

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2D4E	#FFFFFF	#000000	##FFFFFF
##1C2D4E	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F304F

Deuteranopia (green-blind)

#192B4D

Tritanopia (blue-blind)

#003439

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c2d4e;
/* rgb */ color: rgb(28, 45, 78);
/* oklch */ color: oklch(30.1% 0.064 262.5);

Tailwind

colors: {
  custom: {
    50: '#5d6580',
    500: '#1c2d4e',
    950: '#000000',
  },
}

SCSS

$custom: #1c2d4e;
$custom-light: #5d6580;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2d4e",
  "rgb": {
    "r": 28,
    "g": 45,
    "b": 78
  },
  "hsl": {
    "h": 219.6,
    "s": 47.17,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30053,
    "c": 0.06423,
    "h": 262.5
  },
  "luminance": 0.02674
}

Semantic roles & 50–950 ramp

primary

#1C2D4E

secondary

#846D42

accent

#A951D7

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #1C2D4E

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

Preview Lab → · Contrast checker → · Palette generator →