#1C4E78#1C4E78

#1C4E78 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.2% C 0.088 H 247.5°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E78
RGB	rgb(28, 78, 120)
HSL	hsl(207, 62%, 29%)
HSV	hsv(207, 77%, 47%)
CMYK	cmyk(76.7%, 35%, 0%, 52.9%)
CIE-LAB	lab(31.92, -1.13, -28.70)
CIE-LCH	lch(31.92, 28.72, 267.74°)
OKLab	oklab(41.2% -0.0338 -0.0815)
OKLCH	oklch(41.2% 0.088 247.5)
XYZ	xyz(6.5922, 7.0510, 18.7792)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E78 #78461C

analogous

#1C7874 #1C4E78 #1C2078

triadic

#1C4E78 #781C4E #4E781C

tetradic

#1C4E78 #741C78 #78461C #20781C

square

#1C4E78 #741C78 #78461C #20781C

split-complementary

#1C4E78 #781C20 #78741C

monochromatic

#061019 #102E46 #1C4E78 #286EAA #3D8ED2

Accessibility & contrast

On white

8.71

#1C4E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1C4E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E78

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E78	#FFFFFF	#000000	##FFFFFF
##1C4E78	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B507A

Deuteranopia (green-blind)

#2E4777

Tritanopia (blue-blind)

#00585D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4e78;
/* rgb */ color: rgb(28, 78, 120);
/* oklch */ color: oklch(41.2% 0.088 247.5);

Tailwind

colors: {
  custom: {
    50: '#667f9f',
    500: '#1c4e78',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e78;
$custom-light: #667f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e78",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 120
  },
  "hsl": {
    "h": 207.391,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.41199,
    "c": 0.08821,
    "h": 247.5
  },
  "luminance": 0.07052
}

Semantic roles & 50–950 ramp

primary

#1C4E78

secondary

#AC7344

accent

#8D43E5

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C4E78

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

Preview Lab → · Contrast checker → · Palette generator →