#1C4E75#1C4E75

#1C4E75 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.084 H 245.6°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E75
RGB	rgb(28, 78, 117)
HSL	hsl(206, 61%, 28%)
HSV	hsv(206, 76%, 46%)
CMYK	cmyk(76.1%, 33.3%, 0%, 54.1%)
CIE-LAB	lab(31.76, -2.31, -27.09)
CIE-LCH	lch(31.76, 27.18, 265.13°)
OKLab	oklab(41.02% -0.0348 -0.0768)
OKLCH	oklch(41.02% 0.084 245.6)
XYZ	xyz(6.4129, 6.9793, 17.8353)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E75 #75431C

analogous

#1C756F #1C4E75 #1C2175

triadic

#1C4E75 #751C4E #4E751C

tetradic

#1C4E75 #6F1C75 #75431C #21751C

square

#1C4E75 #6F1C75 #75431C #21751C

split-complementary

#1C4E75 #751C21 #756F1C

monochromatic

#061019 #102D44 #1C4E75 #286FA6 #3B8FD0

Accessibility & contrast

On white

8.76

#1C4E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1C4E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E75

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E75	#FFFFFF	#000000	##FFFFFF
##1C4E75	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4F77

Deuteranopia (green-blind)

#304774

Tritanopia (blue-blind)

#00575C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4e75;
/* rgb */ color: rgb(28, 78, 117);
/* oklch */ color: oklch(41.0% 0.084 245.6);

Tailwind

colors: {
  custom: {
    50: '#657f9d',
    500: '#1c4e75',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e75;
$custom-light: #657f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e75",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 117
  },
  "hsl": {
    "h": 206.292,
    "s": 61.379,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41017,
    "c": 0.08427,
    "h": 245.6
  },
  "luminance": 0.0698
}

Semantic roles & 50–950 ramp

primary

#1C4E75

secondary

#A97044

accent

#8A43E4

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1C4E75

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

Preview Lab → · Contrast checker → · Palette generator →