#1C4487#1C4487

#1C4487 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.121 H 260.1°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C4487
RGB	rgb(28, 68, 135)
HSL	hsl(218, 66%, 32%)
HSV	hsv(218, 79%, 53%)
CMYK	cmyk(79.3%, 49.6%, 0%, 47.1%)
CIE-LAB	lab(29.74, 11.61, -41.51)
CIE-LCH	lch(29.74, 43.10, 285.63°)
OKLab	oklab(39.8% -0.0207 -0.1193)
OKLCH	oklch(39.8% 0.121 260.1)
XYZ	xyz(6.9176, 6.1296, 23.7355)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4487 #875F1C

analogous

#1C7A87 #1C4487 #2A1C87

triadic

#1C4487 #871C44 #44871C

tetradic

#1C4487 #871C7A #875F1C #1C872A

square

#1C4487 #871C7A #875F1C #1C872A

split-complementary

#1C4487 #872A1C #7A871C

monochromatic

#071122 #112A54 #1C4487 #275EBA #457CD8

Accessibility & contrast

On white

9.43

#1C4487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1C4487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4487

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4487	#FFFFFF	#000000	##FFFFFF
##1C4487	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4B89

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c4487;
/* rgb */ color: rgb(28, 68, 135);
/* oklch */ color: oklch(39.8% 0.121 260.1);

Tailwind

colors: {
  custom: {
    50: '#6977aa',
    500: '#1c4487',
    950: '#000000',
  },
}

SCSS

$custom: #1c4487;
$custom-light: #6977aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4487",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 135
  },
  "hsl": {
    "h": 217.57,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39802,
    "c": 0.12105,
    "h": 260.1
  },
  "luminance": 0.0613
}

Semantic roles & 50–950 ramp

primary

#1C4487

secondary

#BA8E45

accent

#A93FE9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C4487

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

Preview Lab → · Contrast checker → · Palette generator →