#1C4E82#1C4E82

#1C4E82 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.102 H 252.3°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C4E82
RGB	rgb(28, 78, 130)
HSL	hsl(211, 65%, 31%)
HSV	hsv(211, 78%, 51%)
CMYK	cmyk(78.5%, 40%, 0%, 49%)
CIE-LAB	lab(32.49, 2.83, -34.00)
CIE-LCH	lch(32.49, 34.12, 274.77°)
OKLab	oklab(41.83% -0.0309 -0.097)
OKLCH	oklch(41.83% 0.102 252.3)
XYZ	xyz(7.2310, 7.3065, 22.1440)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4E82 #82501C

analogous

#1C8182 #1C4E82 #1D1C82

triadic

#1C4E82 #821C4E #4E821C

tetradic

#1C4E82 #821C81 #82501C #1C821D

square

#1C4E82 #821C81 #82501C #1C821D

split-complementary

#1C4E82 #821D1C #81821C

monochromatic

#06121D #113050 #1C4E82 #276CB4 #428BD6

Accessibility & contrast

On white

8.53

#1C4E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#1C4E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4E82

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4E82	#FFFFFF	#000000	##FFFFFF
##1C4E82	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355284

Deuteranopia (green-blind)

#264881

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1c4e82;
/* rgb */ color: rgb(28, 78, 130);
/* oklch */ color: oklch(41.8% 0.102 252.3);

Tailwind

colors: {
  custom: {
    50: '#687fa6',
    500: '#1c4e82',
    950: '#000000',
  },
}

SCSS

$custom: #1c4e82;
$custom-light: #687fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4e82",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 130
  },
  "hsl": {
    "h": 210.588,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41834,
    "c": 0.10181,
    "h": 252.3
  },
  "luminance": 0.07307
}

Semantic roles & 50–950 ramp

primary

#1C4E82

secondary

#B57E44

accent

#9640E8

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1C4E82

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

Preview Lab → · Contrast checker → · Palette generator →