#1C4490#1C4490

#1C4490 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.5% C 0.134 H 261.6°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#1C4490
RGB	rgb(28, 68, 144)
HSL	hsl(219, 67%, 34%)
HSV	hsv(219, 81%, 56%)
CMYK	cmyk(80.6%, 52.8%, 0%, 43.5%)
CIE-LAB	lab(30.39, 15.27, -46.01)
CIE-LCH	lch(30.39, 48.48, 288.36°)
OKLab	oklab(40.5% -0.0194 -0.1325)
OKLCH	oklch(40.5% 0.134 261.6)
XYZ	xyz(7.5782, 6.3938, 27.2149)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4490 #90681C

analogous

#1C7E90 #1C4490 #2E1C90

triadic

#1C4490 #901C44 #44901C

tetradic

#1C4490 #901C7E #90681C #1C902E

square

#1C4490 #901C7E #90681C #1C902E

split-complementary

#1C4490 #902E1C #7E901C

monochromatic

#08142A #122C5D #1C4490 #265CC3 #4A7DDC

Accessibility & contrast

On white

9.21

#1C4490 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1C4490 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4490

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4490	#FFFFFF	#000000	##FFFFFF
##1C4490	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114D93

Deuteranopia (green-blind)

#00438E

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c4490;
/* rgb */ color: rgb(28, 68, 144);
/* oklch */ color: oklch(40.5% 0.134 261.6);

Tailwind

colors: {
  custom: {
    50: '#6c77b1',
    500: '#1c4490',
    950: '#000000',
  },
}

SCSS

$custom: #1c4490;
$custom-light: #6c77b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4490",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 144
  },
  "hsl": {
    "h": 219.31,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40504,
    "c": 0.13392,
    "h": 261.6
  },
  "luminance": 0.06395
}

Semantic roles & 50–950 ramp

primary

#1C4490

secondary

#BE964A

accent

#AF3DEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4490

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

Preview Lab → · Contrast checker → · Palette generator →