#1C4F73#1C4F73

#1C4F73 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.2% C 0.081 H 243.2°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F73
RGB	rgb(28, 79, 115)
HSL	hsl(205, 61%, 28%)
HSV	hsv(205, 76%, 45%)
CMYK	cmyk(75.7%, 31.3%, 0%, 54.9%)
CIE-LAB	lab(31.98, -3.73, -25.49)
CIE-LCH	lch(31.98, 25.76, 261.68°)
OKLab	oklab(41.16% -0.0365 -0.0721)
OKLCH	oklch(41.16% 0.081 243.2)
XYZ	xyz(6.3682, 7.0759, 17.2465)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F73 #73401C

analogous

#1C736B #1C4F73 #1C2373

triadic

#1C4F73 #731C4F #4F731C

tetradic

#1C4F73 #6B1C73 #73401C #23731C

square

#1C4F73 #6B1C73 #73401C #23731C

split-complementary

#1C4F73 #731C23 #736B1C

monochromatic

#061119 #102D42 #1C4F73 #2871A4 #3A92CF

Accessibility & contrast

On white

8.69

#1C4F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1C4F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F73

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F73	#FFFFFF	#000000	##FFFFFF
##1C4F73	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5075

Deuteranopia (green-blind)

#324872

Tritanopia (blue-blind)

#00585C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4f73;
/* rgb */ color: rgb(28, 79, 115);
/* oklch */ color: oklch(41.2% 0.081 243.2);

Tailwind

colors: {
  custom: {
    50: '#65809b',
    500: '#1c4f73',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f73;
$custom-light: #65809b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f73",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 115
  },
  "hsl": {
    "h": 204.828,
    "s": 60.839,
    "l": 28.039
  },
  "oklch": {
    "l": 0.41156,
    "c": 0.08081,
    "h": 243.2
  },
  "luminance": 0.07077
}

Semantic roles & 50–950 ramp

primary

#1C4F73

secondary

#A76D43

accent

#8644E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C4F73

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

Preview Lab → · Contrast checker → · Palette generator →