#1A3385#1A3385

#1A3385 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.141 H 266.2°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#1A3385
RGB	rgb(26, 51, 133)
HSL	hsl(226, 67%, 31%)
HSV	hsv(226, 80%, 52%)
CMYK	cmyk(80.5%, 61.7%, 0%, 47.8%)
CIE-LAB	lab(24.58, 22.42, -48.64)
CIE-LCH	lch(24.58, 53.56, 294.75°)
OKLab	oklab(35.82% -0.0093 -0.1406)
OKLCH	oklch(35.82% 0.141 266.2)
XYZ	xyz(5.8420, 4.2801, 22.7040)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3385 #856C1A

analogous

#1A6885 #1A3385 #361A85

triadic

#1A3385 #851A33 #33851A

tetradic

#1A3385 #851A68 #856C1A #1A8536

square

#1A3385 #851A68 #856C1A #1A8536

split-complementary

#1A3385 #85361A #68851A

monochromatic

#060C1F #101F52 #1A3385 #2447B8 #4064DA

Accessibility & contrast

On white

11.31

#1A3385 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1A3385 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3385

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3385	#FFFFFF	#000000	##FFFFFF
##1A3385	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F88

Deuteranopia (green-blind)

#003683

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a3385;
/* rgb */ color: rgb(26, 51, 133);
/* oklch */ color: oklch(35.8% 0.141 266.2);

Tailwind

colors: {
  custom: {
    50: '#696aa9',
    500: '#1a3385',
    950: '#000000',
  },
}

SCSS

$custom: #1a3385;
$custom-light: #696aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3385",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 133
  },
  "hsl": {
    "h": 225.981,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35823,
    "c": 0.14088,
    "h": 266.2
  },
  "luminance": 0.04281
}

Semantic roles & 50–950 ramp

primary

#1A3385

secondary

#B89D42

accent

#C23EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3385

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

Preview Lab → · Contrast checker → · Palette generator →