#1C4E5A#1C4E5A

#1C4E5A is a dark, muted cyan. Relative luminance 0.064; OKLCH L 39.6% C 0.056 H 216.4°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E5A
RGB	rgb(28, 78, 90)
HSL	hsl(192, 53%, 23%)
HSV	hsv(192, 69%, 35%)
CMYK	cmyk(68.9%, 13.3%, 0%, 64.7%)
CIE-LAB	lab(30.48, -12.40, -12.00)
CIE-LCH	lch(30.48, 17.26, 224.06°)
OKLab	oklab(39.58% -0.0453 -0.0334)
OKLCH	oklch(39.58% 0.056 216.4)
XYZ	xyz(5.0480, 6.4333, 10.6466)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E5A #5A281C

analogous

#1C5A47 #1C4E5A #1C2F5A

triadic

#1C4E5A #5A1C4E #4E5A1C

tetradic

#1C4E5A #471C5A #5A281C #2F5A1C

square

#1C4E5A #471C5A #5A281C #2F5A1C

split-complementary

#1C4E5A #5A1C2F #5A471C

monochromatic

#071417 #0D262B #1C4E5A #2B7689 #399FB7

Accessibility & contrast

On white

9.18

#1C4E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1C4E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E5A

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E5A	#FFFFFF	#000000	##FFFFFF
##1C4E5A	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464C5B

Deuteranopia (green-blind)

#3D455A

Tritanopia (blue-blind)

#005252

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c4e5a;
/* rgb */ color: rgb(28, 78, 90);
/* oklch */ color: oklch(39.6% 0.056 216.4);

Tailwind

colors: {
  custom: {
    50: '#617f88',
    500: '#1c4e5a',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e5a;
$custom-light: #617f88;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e5a",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 90
  },
  "hsl": {
    "h": 191.613,
    "s": 52.542,
    "l": 23.137
  },
  "oklch": {
    "l": 0.39578,
    "c": 0.05627,
    "h": 216.4
  },
  "luminance": 0.06434
}

Semantic roles & 50–950 ramp

primary

#1C4E5A

secondary

#8F5142

accent

#684CDC

background

#F6F7F8

surface

#EBEEEF

border

#C6C9CA

text

#050A0B

muted

#7A7C7C

Preview Lab

Preview with #1C4E5A

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

Preview Lab → · Contrast checker → · Palette generator →