#1C448C#1C448C

#1C448C is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.2% C 0.128 H 261.0°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#1C448C
RGB	rgb(28, 68, 140)
HSL	hsl(219, 67%, 33%)
HSV	hsv(219, 80%, 55%)
CMYK	cmyk(80%, 51.4%, 0%, 45.1%)
CIE-LAB	lab(30.09, 13.65, -44.02)
CIE-LCH	lch(30.09, 46.09, 287.22°)
OKLab	oklab(40.19% -0.02 -0.1267)
OKLCH	oklch(40.19% 0.128 261)
XYZ	xyz(7.2779, 6.2737, 25.6332)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C448C #8C641C

analogous

#1C7C8C #1C448C #2C1C8C

triadic

#1C448C #8C1C44 #448C1C

tetradic

#1C448C #8C1C7C #8C641C #1C8C2C

square

#1C448C #8C1C7C #8C641C #1C8C2C

split-complementary

#1C448C #8C2C1C #7C8C1C

monochromatic

#081226 #122B59 #1C448C #265DBF #487CDA

Accessibility & contrast

On white

9.31

#1C448C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1C448C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C448C

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C448C	#FFFFFF	#000000	##FFFFFF
##1C448C	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184C8F

Deuteranopia (green-blind)

#00428B

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c448c;
/* rgb */ color: rgb(28, 68, 140);
/* oklch */ color: oklch(40.2% 0.128 261.0);

Tailwind

colors: {
  custom: {
    50: '#6b77ae',
    500: '#1c448c',
    950: '#000000',
  },
}

SCSS

$custom: #1c448c;
$custom-light: #6b77ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c448c",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 140
  },
  "hsl": {
    "h": 218.571,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40188,
    "c": 0.12823,
    "h": 261
  },
  "luminance": 0.06275
}

Semantic roles & 50–950 ramp

primary

#1C448C

secondary

#BC9348

accent

#AC3EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1C448C

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

Preview Lab → · Contrast checker → · Palette generator →