#1C4666#1C4666

#1C4666 is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.1% C 0.072 H 244.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C4666
RGB	rgb(28, 70, 102)
HSL	hsl(206, 57%, 25%)
HSV	hsv(206, 73%, 40%)
CMYK	cmyk(72.5%, 31.4%, 0%, 60%)
CIE-LAB	lab(28.34, -2.96, -22.98)
CIE-LCH	lch(28.34, 23.17, 262.66°)
OKLab	oklab(38.06% -0.031 -0.0649)
OKLCH	oklch(38.06% 0.072 244.4)
XYZ	xyz(5.0664, 5.5860, 13.3790)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4666 #663C1C

analogous

#1C6661 #1C4666 #1C2166

triadic

#1C4666 #661C46 #46661C

tetradic

#1C4666 #611C66 #663C1C #21661C

square

#1C4666 #611C66 #663C1C #21661C

split-complementary

#1C4666 #661C21 #66611C

monochromatic

#071018 #0F2536 #1C4666 #296796 #3688C6

Accessibility & contrast

On white

9.92

#1C4666 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1C4666 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4666

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4666	#FFFFFF	#000000	##FFFFFF
##1C4666	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384767

Deuteranopia (green-blind)

#2D4065

Tritanopia (blue-blind)

#004E51

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c4666;
/* rgb */ color: rgb(28, 70, 102);
/* oklch */ color: oklch(38.1% 0.072 244.4);

Tailwind

colors: {
  custom: {
    50: '#627992',
    500: '#1c4666',
    950: '#000000',
  },
}

SCSS

$custom: #1c4666;
$custom-light: #627992;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4666",
  "rgb": {
    "r": 28,
    "g": 70,
    "b": 102
  },
  "hsl": {
    "h": 205.946,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3806,
    "c": 0.07195,
    "h": 244.4
  },
  "luminance": 0.05587
}

Semantic roles & 50–950 ramp

primary

#1C4666

secondary

#9B6943

accent

#8A48E0

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06090D

muted

#7A7B7D

Preview Lab

Preview with #1C4666

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

Preview Lab → · Contrast checker → · Palette generator →