#1C448F#1C448F

#1C448F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.4% C 0.133 H 261.5°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#1C448F
RGB	rgb(28, 68, 143)
HSL	hsl(219, 67%, 34%)
HSV	hsv(219, 80%, 56%)
CMYK	cmyk(80.4%, 52.4%, 0%, 43.9%)
CIE-LAB	lab(30.31, 14.86, -45.51)
CIE-LCH	lch(30.31, 47.88, 288.08°)
OKLab	oklab(40.42% -0.0196 -0.131)
OKLCH	oklch(40.42% 0.133 261.5)
XYZ	xyz(7.5021, 6.3634, 26.8141)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C448F #8F671C

analogous

#1C7D8F #1C448F #2D1C8F

triadic

#1C448F #8F1C44 #448F1C

tetradic

#1C448F #8F1C7D #8F671C #1C8F2D

square

#1C448F #8F1C7D #8F671C #1C8F2D

split-complementary

#1C448F #8F2D1C #7D8F1C

monochromatic

#081329 #122C5C #1C448F #265CC2 #4A7DDC

Accessibility & contrast

On white

9.24

#1C448F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1C448F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C448F

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C448F	#FFFFFF	#000000	##FFFFFF
##1C448F	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134D92

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c448f;
/* rgb */ color: rgb(28, 68, 143);
/* oklch */ color: oklch(40.4% 0.133 261.5);

Tailwind

colors: {
  custom: {
    50: '#6b77b0',
    500: '#1c448f',
    950: '#000000',
  },
}

SCSS

$custom: #1c448f;
$custom-light: #6b77b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c448f",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 143
  },
  "hsl": {
    "h": 219.13,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40425,
    "c": 0.1325,
    "h": 261.5
  },
  "luminance": 0.06364
}

Semantic roles & 50–950 ramp

primary

#1C448F

secondary

#BE9549

accent

#AE3EEA

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C448F

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

Preview Lab → · Contrast checker → · Palette generator →