#1A438F#1A438F

#1A438F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.134 H 261.4°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#1A438F
RGB	rgb(26, 67, 143)
HSL	hsl(219, 69%, 33%)
HSV	hsv(219, 82%, 56%)
CMYK	cmyk(81.8%, 53.1%, 0%, 43.9%)
CIE-LAB	lab(29.95, 15.33, -46.10)
CIE-LCH	lch(29.95, 48.58, 288.40°)
OKLab	oklab(40.13% -0.0201 -0.1328)
OKLCH	oklch(40.13% 0.134 261.4)
XYZ	xyz(7.3893, 6.2162, 26.7917)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A438F #8F661A

analogous

#1A7D8F #1A438F #2B1A8F

triadic

#1A438F #8F1A43 #438F1A

tetradic

#1A438F #8F1A7D #8F661A #1A8F2B

square

#1A438F #8F1A7D #8F661A #1A8F2B

split-complementary

#1A438F #8F2B1A #7D8F1A

monochromatic

#071227 #112B5B #1A438F #235BC3 #467BDD

Accessibility & contrast

On white

9.36

#1A438F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1A438F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A438F

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A438F	#FFFFFF	#000000	##FFFFFF
##1A438F	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4C92

Deuteranopia (green-blind)

#00418D

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1a438f;
/* rgb */ color: rgb(26, 67, 143);
/* oklch */ color: oklch(40.1% 0.134 261.4);

Tailwind

colors: {
  custom: {
    50: '#6b76b0',
    500: '#1a438f',
    950: '#000000',
  },
}

SCSS

$custom: #1a438f;
$custom-light: #6b76b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a438f",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 143
  },
  "hsl": {
    "h": 218.974,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40131,
    "c": 0.13434,
    "h": 261.4
  },
  "luminance": 0.06217
}

Semantic roles & 50–950 ramp

primary

#1A438F

secondary

#BF9446

accent

#AE3CEC

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080811

muted

#7A7B80

Preview Lab

Preview with #1A438F

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

Preview Lab → · Contrast checker → · Palette generator →