#1A3487#1A3487

#1A3487 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.142 H 266.0°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#1A3487
RGB	rgb(26, 52, 135)
HSL	hsl(226, 68%, 32%)
HSV	hsv(226, 81%, 53%)
CMYK	cmyk(80.7%, 61.5%, 0%, 47.1%)
CIE-LAB	lab(25.03, 22.53, -49.15)
CIE-LCH	lch(25.03, 54.07, 294.62°)
OKLab	oklab(36.21% -0.0099 -0.1421)
OKLCH	oklch(36.21% 0.142 266)
XYZ	xyz(6.0256, 4.4242, 23.4533)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3487 #876D1A

analogous

#1A6B87 #1A3487 #371A87

triadic

#1A3487 #871A34 #34871A

tetradic

#1A3487 #871A6B #876D1A #1A8737

square

#1A3487 #871A6B #876D1A #1A8737

split-complementary

#1A3487 #87371A #6B871A

monochromatic

#060C20 #102054 #1A3487 #2448BA #4166DA

Accessibility & contrast

On white

11.14

#1A3487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1A3487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3487

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3487	#FFFFFF	#000000	##FFFFFF
##1A3487	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418A

Deuteranopia (green-blind)

#003685

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a3487;
/* rgb */ color: rgb(26, 52, 135);
/* oklch */ color: oklch(36.2% 0.142 266.0);

Tailwind

colors: {
  custom: {
    50: '#6a6bab',
    500: '#1a3487',
    950: '#000000',
  },
}

SCSS

$custom: #1a3487;
$custom-light: #6a6bab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3487",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 135
  },
  "hsl": {
    "h": 225.688,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36213,
    "c": 0.14242,
    "h": 266
  },
  "luminance": 0.04425
}

Semantic roles & 50–950 ramp

primary

#1A3487

secondary

#BA9E42

accent

#C13DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3487

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

Preview Lab → · Contrast checker → · Palette generator →