#1C4E72#1C4E72

#1C4E72 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.8% C 0.080 H 243.6°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E72
RGB	rgb(28, 78, 114)
HSL	hsl(205, 61%, 28%)
HSV	hsv(205, 75%, 45%)
CMYK	cmyk(75.4%, 31.6%, 0%, 55.3%)
CIE-LAB	lab(31.60, -3.48, -25.46)
CIE-LCH	lch(31.60, 25.69, 262.22°)
OKLab	oklab(40.84% -0.0357 -0.072)
OKLCH	oklch(40.84% 0.08 243.6)
XYZ	xyz(6.2394, 6.9099, 16.9212)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E72 #72401C

analogous

#1C726B #1C4E72 #1C2372

triadic

#1C4E72 #721C4E #4E721C

tetradic

#1C4E72 #6B1C72 #72401C #23721C

square

#1C4E72 #6B1C72 #72401C #23721C

split-complementary

#1C4E72 #721C23 #726B1C

monochromatic

#061119 #102C41 #1C4E72 #2870A3 #3A90CF

Accessibility & contrast

On white

8.82

#1C4E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1C4E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E72

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E72	#FFFFFF	#000000	##FFFFFF
##1C4E72	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F74

Deuteranopia (green-blind)

#324771

Tritanopia (blue-blind)

#00575B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4e72;
/* rgb */ color: rgb(28, 78, 114);
/* oklch */ color: oklch(40.8% 0.080 243.6);

Tailwind

colors: {
  custom: {
    50: '#657f9a',
    500: '#1c4e72',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e72;
$custom-light: #657f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e72",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 114
  },
  "hsl": {
    "h": 205.116,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.4084,
    "c": 0.08041,
    "h": 243.6
  },
  "luminance": 0.06911
}

Semantic roles & 50–950 ramp

primary

#1C4E72

secondary

#A66D43

accent

#8744E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C4E72

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

Preview Lab → · Contrast checker → · Palette generator →