#1C2C4E#1C2C4E

#1C2C4E is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.8% C 0.066 H 263.8°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C4E
RGB	rgb(28, 44, 78)
HSL	hsl(221, 47%, 21%)
HSV	hsv(221, 64%, 31%)
CMYK	cmyk(64.1%, 43.6%, 0%, 69.4%)
CIE-LAB	lab(18.36, 5.49, -22.98)
CIE-LCH	lch(18.36, 23.62, 283.43°)
OKLab	oklab(29.8% -0.007 -0.0652)
OKLCH	oklch(29.8% 0.066 263.8)
XYZ	xyz(2.7542, 2.5981, 7.5626)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C4E #4E3E1C

analogous

#1C454E #1C2C4E #251C4E

triadic

#1C2C4E #4E1C2C #2C4E1C

tetradic

#1C2C4E #4E1C45 #4E3E1C #1C4E25

square

#1C2C4E #4E1C45 #4E3E1C #1C4E25

split-complementary

#1C2C4E #4E251C #454E1C

monochromatic

#080D17 #0C1321 #1C2C4E #2C457B #3C5FA8

Accessibility & contrast

On white

13.82

#1C2C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1C2C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C4E

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C4E	#FFFFFF	#000000	##FFFFFF
##1C2C4E	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2F4F

Deuteranopia (green-blind)

#172B4D

Tritanopia (blue-blind)

#003439

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c2c4e;
/* rgb */ color: rgb(28, 44, 78);
/* oklch */ color: oklch(29.8% 0.066 263.8);

Tailwind

colors: {
  custom: {
    50: '#5d6480',
    500: '#1c2c4e',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c4e;
$custom-light: #5d6480;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c4e",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 78
  },
  "hsl": {
    "h": 220.8,
    "s": 47.17,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29798,
    "c": 0.06561,
    "h": 263.8
  },
  "luminance": 0.02598
}

Semantic roles & 50–950 ramp

primary

#1C2C4E

secondary

#846F42

accent

#AC51D7

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04050A

muted

#797A7C

Preview Lab

Preview with #1C2C4E

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

Preview Lab → · Contrast checker → · Palette generator →