#1C4E66#1C4E66

#1C4E66 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.2% C 0.066 H 232.7°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E66
RGB	rgb(28, 78, 102)
HSL	hsl(199, 57%, 25%)
HSV	hsv(199, 73%, 40%)
CMYK	cmyk(72.5%, 23.5%, 0%, 60%)
CIE-LAB	lab(31.01, -8.05, -18.82)
CIE-LCH	lch(31.01, 20.47, 246.85°)
OKLab	oklab(40.17% -0.0402 -0.0528)
OKLCH	oklch(40.17% 0.066 232.7)
XYZ	xyz(5.6006, 6.6544, 13.5571)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E66 #66341C

analogous

#1C6659 #1C4E66 #1C2966

triadic

#1C4E66 #661C4E #4E661C

tetradic

#1C4E66 #591C66 #66341C #29661C

square

#1C4E66 #591C66 #66341C #29661C

split-complementary

#1C4E66 #661C29 #66591C

monochromatic

#071218 #0F2936 #1C4E66 #297396 #3697C6

Accessibility & contrast

On white

9.01

#1C4E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1C4E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E66

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E66	#FFFFFF	#000000	##FFFFFF
##1C4E66	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424D67

Deuteranopia (green-blind)

#384666

Tritanopia (blue-blind)

#005456

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c4e66;
/* rgb */ color: rgb(28, 78, 102);
/* oklch */ color: oklch(40.2% 0.066 232.7);

Tailwind

colors: {
  custom: {
    50: '#627f91',
    500: '#1c4e66',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e66;
$custom-light: #627f91;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e66",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 102
  },
  "hsl": {
    "h": 199.459,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.40173,
    "c": 0.06637,
    "h": 232.7
  },
  "luminance": 0.06655
}

Semantic roles & 50–950 ramp

primary

#1C4E66

secondary

#9B5F43

accent

#7948E0

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0D

muted

#7A7C7D

Preview Lab

Preview with #1C4E66

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

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