#1A4289#1A4289

#1A4289 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.4% C 0.127 H 260.9°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#1A4289
RGB	rgb(26, 66, 137)
HSL	hsl(218, 68%, 32%)
HSV	hsv(218, 81%, 54%)
CMYK	cmyk(81%, 51.8%, 0%, 46.3%)
CIE-LAB	lab(29.21, 13.57, -43.60)
CIE-LCH	lch(29.21, 45.66, 287.29°)
OKLab	oklab(39.43% -0.0201 -0.1255)
OKLCH	oklch(39.43% 0.127 260.9)
XYZ	xyz(6.8879, 5.9214, 24.4420)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4289 #89611A

analogous

#1A7A89 #1A4289 #291A89

triadic

#1A4289 #891A42 #42891A

tetradic

#1A4289 #891A7A #89611A #1A8929

square

#1A4289 #891A7A #89611A #1A8929

split-complementary

#1A4289 #89291A #7A891A

monochromatic

#061022 #102956 #1A4289 #245BBC #4279DB

Accessibility & contrast

On white

9.61

#1A4289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1A4289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4289

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4289	#FFFFFF	#000000	##FFFFFF
##1A4289	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154A8C

Deuteranopia (green-blind)

#004088

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a4289;
/* rgb */ color: rgb(26, 66, 137);
/* oklch */ color: oklch(39.4% 0.127 260.9);

Tailwind

colors: {
  custom: {
    50: '#6975ac',
    500: '#1a4289',
    950: '#000000',
  },
}

SCSS

$custom: #1a4289;
$custom-light: #6975ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4289",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 137
  },
  "hsl": {
    "h": 218.378,
    "s": 68.098,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39427,
    "c": 0.12708,
    "h": 260.9
  },
  "luminance": 0.05922
}

Semantic roles & 50–950 ramp

primary

#1A4289

secondary

#BC9043

accent

#AC3DEB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A4289

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

Preview Lab → · Contrast checker → · Palette generator →