#1A448F#1A448F

#1A448F is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.133 H 261.0°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#1A448F
RGB	rgb(26, 68, 143)
HSL	hsl(218, 69%, 33%)
HSV	hsv(218, 82%, 56%)
CMYK	cmyk(81.8%, 52.4%, 0%, 43.9%)
CIE-LAB	lab(30.25, 14.64, -45.63)
CIE-LCH	lch(30.25, 47.92, 287.79°)
OKLab	oklab(40.36% -0.0209 -0.1314)
OKLCH	oklch(40.36% 0.133 261)
XYZ	xyz(7.4493, 6.3361, 26.8117)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A448F #8F651A

analogous

#1A7E8F #1A448F #2B1A8F

triadic

#1A448F #8F1A44 #448F1A

tetradic

#1A448F #8F1A7E #8F651A #1A8F2B

square

#1A448F #8F1A7E #8F651A #1A8F2B

split-complementary

#1A448F #8F2B1A #7E8F1A

monochromatic

#071327 #112B5B #1A448F #235DC3 #467CDD

Accessibility & contrast

On white

9.26

#1A448F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1A448F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A448F

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A448F	#FFFFFF	#000000	##FFFFFF
##1A448F	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124D92

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1a448f;
/* rgb */ color: rgb(26, 68, 143);
/* oklch */ color: oklch(40.4% 0.133 261.0);

Tailwind

colors: {
  custom: {
    50: '#6b77b0',
    500: '#1a448f',
    950: '#000000',
  },
}

SCSS

$custom: #1a448f;
$custom-light: #6b77b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a448f",
  "rgb": {
    "r": 26,
    "g": 68,
    "b": 143
  },
  "hsl": {
    "h": 218.462,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40355,
    "c": 0.13305,
    "h": 261
  },
  "luminance": 0.06337
}

Semantic roles & 50–950 ramp

primary

#1A448F

secondary

#BF9346

accent

#AD3CEC

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080811

muted

#7A7B80

Preview Lab

Preview with #1A448F

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

Preview Lab → · Contrast checker → · Palette generator →