#1C4E64#1C4E64

#1C4E64 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.1% C 0.064 H 230.4°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E64
RGB	rgb(28, 78, 100)
HSL	hsl(198, 56%, 25%)
HSV	hsv(198, 72%, 39%)
CMYK	cmyk(72%, 22%, 0%, 60.8%)
CIE-LAB	lab(30.91, -8.79, -17.70)
CIE-LCH	lch(30.91, 19.76, 243.58°)
OKLab	oklab(40.07% -0.041 -0.0496)
OKLCH	oklch(40.07% 0.064 230.4)
XYZ	xyz(5.5026, 6.6152, 13.0410)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E64 #64321C

analogous

#1C6456 #1C4E64 #1C2A64

triadic

#1C4E64 #641C4E #4E641C

tetradic

#1C4E64 #561C64 #64321C #2A641C

square

#1C4E64 #561C64 #64321C #2A641C

split-complementary

#1C4E64 #641C2A #64561C

monochromatic

#071318 #0F2934 #1C4E64 #297394 #3799C4

Accessibility & contrast

On white

9.04

#1C4E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1C4E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E64

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E64	#FFFFFF	#000000	##FFFFFF
##1C4E64	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D65

Deuteranopia (green-blind)

#394664

Tritanopia (blue-blind)

#005455

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c4e64;
/* rgb */ color: rgb(28, 78, 100);
/* oklch */ color: oklch(40.1% 0.064 230.4);

Tailwind

colors: {
  custom: {
    50: '#627f90',
    500: '#1c4e64',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e64;
$custom-light: #627f90;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e64",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 100
  },
  "hsl": {
    "h": 198.333,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.40068,
    "c": 0.06434,
    "h": 230.4
  },
  "luminance": 0.06616
}

Semantic roles & 50–950 ramp

primary

#1C4E64

secondary

#995D43

accent

#7648E0

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #1C4E64

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

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