#1A3185#1A3185

#1A3185 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.143 H 266.8°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A3185
RGB	rgb(26, 49, 133)
HSL	hsl(227, 67%, 31%)
HSV	hsv(227, 80%, 52%)
CMYK	cmyk(80.5%, 63.2%, 0%, 47.8%)
CIE-LAB	lab(24.03, 23.82, -49.53)
CIE-LCH	lch(24.03, 54.96, 295.68°)
OKLab	oklab(35.42% -0.008 -0.1432)
OKLCH	oklch(35.42% 0.143 266.8)
XYZ	xyz(5.7565, 4.1090, 22.6755)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3185 #856E1A

analogous

#1A6685 #1A3185 #381A85

triadic

#1A3185 #851A31 #31851A

tetradic

#1A3185 #851A66 #856E1A #1A8538

square

#1A3185 #851A66 #856E1A #1A8538

split-complementary

#1A3185 #85381A #66851A

monochromatic

#060B1F #101E52 #1A3185 #2444B8 #4061DA

Accessibility & contrast

On white

11.53

#1A3185 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1A3185 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3185

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3185	#FFFFFF	#000000	##FFFFFF
##1A3185	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E88

Deuteranopia (green-blind)

#003483

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3185;
/* rgb */ color: rgb(26, 49, 133);
/* oklch */ color: oklch(35.4% 0.143 266.8);

Tailwind

colors: {
  custom: {
    50: '#6a68a9',
    500: '#1a3185',
    950: '#000000',
  },
}

SCSS

$custom: #1a3185;
$custom-light: #6a68a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3185",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 133
  },
  "hsl": {
    "h": 227.103,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35416,
    "c": 0.14344,
    "h": 266.8
  },
  "luminance": 0.0411
}

Semantic roles & 50–950 ramp

primary

#1A3185

secondary

#B89F42

accent

#C53EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3185

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

Preview Lab → · Contrast checker → · Palette generator →