#1A3585#1A3585

#1A3585 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.2% C 0.138 H 265.6°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#1A3585
RGB	rgb(26, 53, 133)
HSL	hsl(225, 67%, 31%)
HSV	hsv(225, 80%, 52%)
CMYK	cmyk(80.5%, 60.2%, 0%, 47.8%)
CIE-LAB	lab(25.13, 21.03, -47.73)
CIE-LCH	lch(25.13, 52.16, 293.77°)
OKLab	oklab(36.24% -0.0107 -0.1379)
OKLCH	oklch(36.24% 0.138 265.6)
XYZ	xyz(5.9313, 4.4586, 22.7337)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3585 #856A1A

analogous

#1A6A85 #1A3585 #341A85

triadic

#1A3585 #851A35 #35851A

tetradic

#1A3585 #851A6A #856A1A #1A8534

square

#1A3585 #851A6A #856A1A #1A8534

split-complementary

#1A3585 #85341A #6A851A

monochromatic

#060C1F #102152 #1A3585 #2449B8 #4067DA

Accessibility & contrast

On white

11.10

#1A3585 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1A3585 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3585

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3585	#FFFFFF	#000000	##FFFFFF
##1A3585	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004188

Deuteranopia (green-blind)

#003783

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a3585;
/* rgb */ color: rgb(26, 53, 133);
/* oklch */ color: oklch(36.2% 0.138 265.6);

Tailwind

colors: {
  custom: {
    50: '#696ba9',
    500: '#1a3585',
    950: '#000000',
  },
}

SCSS

$custom: #1a3585;
$custom-light: #696ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3585",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 133
  },
  "hsl": {
    "h": 224.86,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36239,
    "c": 0.13829,
    "h": 265.6
  },
  "luminance": 0.04459
}

Semantic roles & 50–950 ramp

primary

#1A3585

secondary

#B89B42

accent

#BF3EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3585

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

Preview Lab → · Contrast checker → · Palette generator →