#1C404A#1C404A

#1C404A is a dark, muted cyan. Relative luminance 0.044; OKLCH L 34.9% C 0.045 H 218.4°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#1C404A
RGB	rgb(28, 64, 74)
HSL	hsl(193, 45%, 20%)
HSV	hsv(193, 62%, 29%)
CMYK	cmyk(62.2%, 13.5%, 0%, 71%)
CIE-LAB	lab(24.98, -9.52, -10.01)
CIE-LCH	lch(24.98, 13.81, 226.43°)
OKLab	oklab(34.95% -0.035 -0.0277)
OKLCH	oklch(34.95% 0.045 218.4)
XYZ	xyz(3.5478, 4.4077, 7.1411)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C404A #4A261C

analogous

#1C4A3D #1C404A #1C294A

triadic

#1C404A #4A1C40 #404A1C

tetradic

#1C404A #3D1C4A #4A261C #294A1C

square

#1C404A #3D1C4A #4A261C #294A1C

split-complementary

#1C404A #4A1C29 #4A3D1C

monochromatic

#081316 #0B1A1E #1C404A #2D6676 #3E8DA3

Accessibility & contrast

On white

11.16

#1C404A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1C404A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C404A

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C404A	#FFFFFF	#000000	##FFFFFF
##1C404A	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3E4B

Deuteranopia (green-blind)

#33394A

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c404a;
/* rgb */ color: rgb(28, 64, 74);
/* oklch */ color: oklch(34.9% 0.045 218.4);

Tailwind

colors: {
  custom: {
    50: '#5d747c',
    500: '#1c404a',
    950: '#000000',
  },
}

SCSS

$custom: #1c404a;
$custom-light: #5d747c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c404a",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 74
  },
  "hsl": {
    "h": 193.043,
    "s": 45.098,
    "l": 20
  },
  "oklch": {
    "l": 0.34947,
    "c": 0.04467,
    "h": 218.4
  },
  "luminance": 0.04408
}

Semantic roles & 50–950 ramp

primary

#1C404A

secondary

#7F5042

accent

#6F53D5

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #1C404A

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

Preview Lab → · Contrast checker → · Palette generator →