#1A3386#1A3386

#1A3386 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.9% C 0.142 H 266.3°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#1A3386
RGB	rgb(26, 51, 134)
HSL	hsl(226, 68%, 31%)
HSV	hsv(226, 81%, 53%)
CMYK	cmyk(80.6%, 61.9%, 0%, 47.5%)
CIE-LAB	lab(24.66, 22.83, -49.12)
CIE-LCH	lch(24.66, 54.17, 294.92°)
OKLab	oklab(35.92% -0.0093 -0.142)
OKLCH	oklch(35.92% 0.142 266.3)
XYZ	xyz(5.9114, 4.3078, 23.0696)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3386 #866D1A

analogous

#1A6986 #1A3386 #371A86

triadic

#1A3386 #861A33 #33861A

tetradic

#1A3386 #861A69 #866D1A #1A8637

square

#1A3386 #861A69 #866D1A #1A8637

split-complementary

#1A3386 #86371A #69861A

monochromatic

#060C1F #101F53 #1A3386 #2447B9 #4064DA

Accessibility & contrast

On white

11.28

#1A3386 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1A3386 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3386

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3386	#FFFFFF	#000000	##FFFFFF
##1A3386	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004089

Deuteranopia (green-blind)

#003684

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a3386;
/* rgb */ color: rgb(26, 51, 134);
/* oklch */ color: oklch(35.9% 0.142 266.3);

Tailwind

colors: {
  custom: {
    50: '#6a6aaa',
    500: '#1a3386',
    950: '#000000',
  },
}

SCSS

$custom: #1a3386;
$custom-light: #6a6aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3386",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 134
  },
  "hsl": {
    "h": 226.111,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35916,
    "c": 0.14229,
    "h": 266.3
  },
  "luminance": 0.04308
}

Semantic roles & 50–950 ramp

primary

#1A3386

secondary

#B99E42

accent

#C23DEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3386

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

Preview Lab → · Contrast checker → · Palette generator →