#1A3087#1A3087

#1A3087 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.147 H 267.2°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#1A3087
RGB	rgb(26, 48, 135)
HSL	hsl(228, 68%, 32%)
HSV	hsv(228, 81%, 53%)
CMYK	cmyk(80.7%, 64.4%, 0%, 47.1%)
CIE-LAB	lab(23.94, 25.31, -50.93)
CIE-LCH	lch(23.94, 56.87, 296.42°)
OKLab	oklab(35.41% -0.0073 -0.1473)
OKLCH	oklch(35.41% 0.148 267.2)
XYZ	xyz(5.8546, 4.0821, 23.3963)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3087 #87711A

analogous

#1A6787 #1A3087 #3B1A87

triadic

#1A3087 #871A30 #30871A

tetradic

#1A3087 #871A67 #87711A #1A873B

square

#1A3087 #871A67 #87711A #1A873B

split-complementary

#1A3087 #873B1A #67871A

monochromatic

#060C20 #101E54 #1A3087 #2442BA #4160DA

Accessibility & contrast

On white

11.56

#1A3087 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1A3087 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3087

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3087	#FFFFFF	#000000	##FFFFFF
##1A3087	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#003485

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3087;
/* rgb */ color: rgb(26, 48, 135);
/* oklch */ color: oklch(35.4% 0.147 267.2);

Tailwind

colors: {
  custom: {
    50: '#6a68ab',
    500: '#1a3087',
    950: '#000000',
  },
}

SCSS

$custom: #1a3087;
$custom-light: #6a68ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3087",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 135
  },
  "hsl": {
    "h": 227.89,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35407,
    "c": 0.1475,
    "h": 267.2
  },
  "luminance": 0.04083
}

Semantic roles & 50–950 ramp

primary

#1A3087

secondary

#BAA242

accent

#C83DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1A3087

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

Preview Lab → · Contrast checker → · Palette generator →