#1C404D#1C404D

#1C404D is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.047 H 224.3°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C404D
RGB	rgb(28, 64, 77)
HSL	hsl(196, 47%, 21%)
HSV	hsv(196, 64%, 30%)
CMYK	cmyk(63.6%, 16.9%, 0%, 69.8%)
CIE-LAB	lab(25.10, -8.46, -11.79)
CIE-LCH	lch(25.10, 14.51, 234.33°)
OKLab	oklab(35.09% -0.0336 -0.0328)
OKLCH	oklch(35.09% 0.047 224.3)
XYZ	xyz(3.6513, 4.4491, 7.6861)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C404D #4D291C

analogous

#1C4D41 #1C404D #1C274D

triadic

#1C404D #4D1C40 #404D1C

tetradic

#1C404D #411C4D #4D291C #274D1C

square

#1C404D #411C4D #4D291C #274D1C

split-complementary

#1C404D #4D1C27 #4D411C

monochromatic

#081316 #0C1B20 #1C404D #2C657A #3D8BA7

Accessibility & contrast

On white

11.11

#1C404D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1C404D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C404D

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C404D	#FFFFFF	#000000	##FFFFFF
##1C404D	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393F4E

Deuteranopia (green-blind)

#32394D

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1c404d;
/* rgb */ color: rgb(28, 64, 77);
/* oklch */ color: oklch(35.1% 0.047 224.3);

Tailwind

colors: {
  custom: {
    50: '#5e747e',
    500: '#1c404d',
    950: '#000000',
  },
}

SCSS

$custom: #1c404d;
$custom-light: #5e747e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c404d",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 77
  },
  "hsl": {
    "h": 195.918,
    "s": 46.667,
    "l": 20.588
  },
  "oklch": {
    "l": 0.35091,
    "c": 0.04697,
    "h": 224.3
  },
  "luminance": 0.04449
}

Semantic roles & 50–950 ramp

primary

#1C404D

secondary

#835342

accent

#7551D6

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #1C404D

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

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