#1C4D82#1C4D82

#1C4D82 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.103 H 253.1°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#1C4D82
RGB	rgb(28, 77, 130)
HSL	hsl(211, 65%, 31%)
HSV	hsv(211, 78%, 51%)
CMYK	cmyk(78.5%, 40.8%, 0%, 49%)
CIE-LAB	lab(32.18, 3.50, -34.50)
CIE-LCH	lch(32.18, 34.68, 275.79°)
OKLab	oklab(41.59% -0.03 -0.0985)
OKLCH	oklch(41.59% 0.103 253.1)
XYZ	xyz(7.1605, 7.1655, 22.1205)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4D82 #82511C

analogous

#1C8082 #1C4D82 #1E1C82

triadic

#1C4D82 #821C4D #4D821C

tetradic

#1C4D82 #821C80 #82511C #1C821E

square

#1C4D82 #821C80 #82511C #1C821E

split-complementary

#1C4D82 #821E1C #80821C

monochromatic

#06111D #112F50 #1C4D82 #276BB4 #4289D6

Accessibility & contrast

On white

8.63

#1C4D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1C4D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4D82

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4D82	#FFFFFF	#000000	##FFFFFF
##1C4D82	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345184

Deuteranopia (green-blind)

#244781

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c4d82;
/* rgb */ color: rgb(28, 77, 130);
/* oklch */ color: oklch(41.6% 0.103 253.1);

Tailwind

colors: {
  custom: {
    50: '#687ea6',
    500: '#1c4d82',
    950: '#000000',
  },
}

SCSS

$custom: #1c4d82;
$custom-light: #687ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4d82",
  "rgb": {
    "r": 28,
    "g": 77,
    "b": 130
  },
  "hsl": {
    "h": 211.176,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41589,
    "c": 0.10295,
    "h": 253.1
  },
  "luminance": 0.07166
}

Semantic roles & 50–950 ramp

primary

#1C4D82

secondary

#B57F44

accent

#9740E8

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1C4D82

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

Preview Lab → · Contrast checker → · Palette generator →