#1C4182#1C4182

#1C4182 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.7% C 0.118 H 260.7°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#1C4182
RGB	rgb(28, 65, 130)
HSL	hsl(218, 65%, 31%)
HSV	hsv(218, 78%, 51%)
CMYK	cmyk(78.5%, 50%, 0%, 49%)
CIE-LAB	lab(28.48, 11.65, -40.43)
CIE-LCH	lch(28.48, 42.08, 286.08°)
OKLab	oklab(38.73% -0.0189 -0.1161)
OKLCH	oklch(38.73% 0.118 260.7)
XYZ	xyz(6.3970, 5.6384, 21.8660)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4182 #825D1C

analogous

#1C7482 #1C4182 #2A1C82

triadic

#1C4182 #821C41 #41821C

tetradic

#1C4182 #821C74 #825D1C #1C822A

square

#1C4182 #821C74 #825D1C #1C822A

split-complementary

#1C4182 #822A1C #74821C

monochromatic

#060F1D #112850 #1C4182 #275AB4 #4278D6

Accessibility & contrast

On white

9.87

#1C4182 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1C4182 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4182

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4182	#FFFFFF	#000000	##FFFFFF
##1C4182	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4884

Deuteranopia (green-blind)

#003F81

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c4182;
/* rgb */ color: rgb(28, 65, 130);
/* oklch */ color: oklch(38.7% 0.118 260.7);

Tailwind

colors: {
  custom: {
    50: '#6875a7',
    500: '#1c4182',
    950: '#000000',
  },
}

SCSS

$custom: #1c4182;
$custom-light: #6875a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4182",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 130
  },
  "hsl": {
    "h": 218.235,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38726,
    "c": 0.11767,
    "h": 260.7
  },
  "luminance": 0.05639
}

Semantic roles & 50–950 ramp

primary

#1C4182

secondary

#B58C44

accent

#AB40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C4182

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

Preview Lab → · Contrast checker → · Palette generator →