#1C4F72#1C4F72

#1C4F72 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.1% C 0.080 H 242.4°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F72
RGB	rgb(28, 79, 114)
HSL	hsl(204, 61%, 28%)
HSV	hsv(204, 75%, 45%)
CMYK	cmyk(75.4%, 30.7%, 0%, 55.3%)
CIE-LAB	lab(31.93, -4.11, -24.95)
CIE-LCH	lch(31.93, 25.28, 260.63°)
OKLab	oklab(41.1% -0.0368 -0.0705)
OKLCH	oklch(41.1% 0.08 242.4)
XYZ	xyz(6.3110, 7.0530, 16.9451)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F72 #723F1C

analogous

#1C726A #1C4F72 #1C2472

triadic

#1C4F72 #721C4F #4F721C

tetradic

#1C4F72 #6A1C72 #723F1C #24721C

square

#1C4F72 #6A1C72 #723F1C #24721C

split-complementary

#1C4F72 #721C24 #726A1C

monochromatic

#061119 #102D41 #1C4F72 #2871A3 #3A92CF

Accessibility & contrast

On white

8.71

#1C4F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1C4F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F72

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F72	#FFFFFF	#000000	##FFFFFF
##1C4F72	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)

#3F5074

Deuteranopia (green-blind)

#334771

Tritanopia (blue-blind)

#00585B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4f72;
/* rgb */ color: rgb(28, 79, 114);
/* oklch */ color: oklch(41.1% 0.080 242.4);

Tailwind

colors: {
  custom: {
    50: '#65809a',
    500: '#1c4f72',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f72;
$custom-light: #65809a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f72",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 114
  },
  "hsl": {
    "h": 204.419,
    "s": 60.563,
    "l": 27.843
  },
  "oklch": {
    "l": 0.41098,
    "c": 0.07955,
    "h": 242.4
  },
  "luminance": 0.07054
}

Semantic roles & 50–950 ramp

primary

#1C4F72

secondary

#A66C43

accent

#8544E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C4F72

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

Preview Lab → · Contrast checker → · Palette generator →