#1A3490#1A3490

#1A3490 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.155 H 266.3°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#1A3490
RGB	rgb(26, 52, 144)
HSL	hsl(227, 69%, 33%)
HSV	hsv(227, 82%, 56%)
CMYK	cmyk(81.9%, 63.9%, 0%, 43.5%)
CIE-LAB	lab(25.83, 26.11, -53.43)
CIE-LCH	lch(25.83, 59.47, 296.05°)
OKLab	oklab(37.06% -0.0099 -0.1546)
OKLCH	oklch(37.06% 0.155 266.3)
XYZ	xyz(6.6863, 4.6884, 26.9327)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3490 #90761A

analogous

#1A6F90 #1A3490 #3B1A90

triadic

#1A3490 #901A34 #34901A

tetradic

#1A3490 #901A6F #90761A #1A903B

square

#1A3490 #901A6F #90761A #1A903B

split-complementary

#1A3490 #903B1A #6F901A

monochromatic

#070F28 #11215C #1A3490 #2347C4 #4768DE

Accessibility & contrast

On white

10.84

#1A3490 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1A3490 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3490

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3490	#FFFFFF	#000000	##FFFFFF
##1A3490	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004393

Deuteranopia (green-blind)

#00388E

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a3490;
/* rgb */ color: rgb(26, 52, 144);
/* oklch */ color: oklch(37.1% 0.155 266.3);

Tailwind

colors: {
  custom: {
    50: '#6c6bb1',
    500: '#1a3490',
    950: '#000000',
  },
}

SCSS

$custom: #1a3490;
$custom-light: #6c6bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3490",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 144
  },
  "hsl": {
    "h": 226.78,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37057,
    "c": 0.15491,
    "h": 266.3
  },
  "luminance": 0.04689
}

Semantic roles & 50–950 ramp

primary

#1A3490

secondary

#BFA547

accent

#C53CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A3490

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

Preview Lab → · Contrast checker → · Palette generator →