#1C4C8A#1C4C8A

#1C4C8A is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.9% C 0.115 H 256.4°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C4C8A
RGB	rgb(28, 76, 138)
HSL	hsl(214, 66%, 33%)
HSV	hsv(214, 80%, 54%)
CMYK	cmyk(79.7%, 44.9%, 0%, 45.9%)
CIE-LAB	lab(32.37, 7.38, -39.13)
CIE-LCH	lch(32.37, 39.82, 280.69°)
OKLab	oklab(41.9% -0.0272 -0.1121)
OKLCH	oklch(41.9% 0.115 256.4)
XYZ	xyz(7.6491, 7.2498, 25.0361)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4C8A #8A5A1C

analogous

#1C838A #1C4C8A #231C8A

triadic

#1C4C8A #8A1C4C #4C8A1C

tetradic

#1C4C8A #8A1C83 #8A5A1C #1C8A23

square

#1C4C8A #8A1C83 #8A5A1C #1C8A23

split-complementary

#1C4C8A #8A231C #838A1C

monochromatic

#071424 #123057 #1C4C8A #2668BD #4787DA

Accessibility & contrast

On white

8.57

#1C4C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1C4C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4C8A

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4C8A	#FFFFFF	#000000	##FFFFFF
##1C4C8A	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D528C

Deuteranopia (green-blind)

#174889

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c4c8a;
/* rgb */ color: rgb(28, 76, 138);
/* oklch */ color: oklch(41.9% 0.115 256.4);

Tailwind

colors: {
  custom: {
    50: '#6a7dac',
    500: '#1c4c8a',
    950: '#000000',
  },
}

SCSS

$custom: #1c4c8a;
$custom-light: #6a7dac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4c8a",
  "rgb": {
    "r": 28,
    "g": 76,
    "b": 138
  },
  "hsl": {
    "h": 213.818,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41897,
    "c": 0.11535,
    "h": 256.4
  },
  "luminance": 0.07251
}

Semantic roles & 50–950 ramp

primary

#1C4C8A

secondary

#BB8846

accent

#9F3FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1C4C8A

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

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