#1A3CA1#1A3CA1

#1A3CA1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.168 H 265.1°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#1A3CA1
RGB	rgb(26, 60, 161)
HSL	hsl(225, 72%, 37%)
HSV	hsv(225, 84%, 63%)
CMYK	cmyk(83.9%, 62.7%, 0%, 36.9%)
CIE-LAB	lab(29.47, 27.36, -57.85)
CIE-LCH	lch(29.47, 63.99, 295.31°)
OKLab	oklab(40.23% -0.0144 -0.1675)
OKLCH	oklch(40.23% 0.168 265.1)
XYZ	xyz(8.4726, 6.0235, 34.4274)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3CA1 #A17F1A

analogous

#1A80A1 #1A3CA1 #3C1AA1

triadic

#1A3CA1 #A11A3C #3CA11A

tetradic

#1A3CA1 #A11A80 #A17F1A #1AA13C

square

#1A3CA1 #A11A80 #A17F1A #1AA13C

split-complementary

#1A3CA1 #A13C1A #80A11A

monochromatic

#091538 #11286C #1A3CA1 #2350D6 #5277E3

Accessibility & contrast

On white

9.52

#1A3CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1A3CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3CA1

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3CA1	#FFFFFF	#000000	##FFFFFF
##1A3CA1	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA4

Deuteranopia (green-blind)

#003F9F

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a3ca1;
/* rgb */ color: rgb(26, 60, 161);
/* oklch */ color: oklch(40.2% 0.168 265.1);

Tailwind

colors: {
  custom: {
    50: '#7071be',
    500: '#1a3ca1',
    950: '#000000',
  },
}

SCSS

$custom: #1a3ca1;
$custom-light: #7071be;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3ca1",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 161
  },
  "hsl": {
    "h": 224.889,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4023,
    "c": 0.16808,
    "h": 265.1
  },
  "luminance": 0.06025
}

Semantic roles & 50–950 ramp

primary

#1A3CA1

secondary

#C6A851

accent

#C139EF

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A3CA1

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

Preview Lab → · Contrast checker → · Palette generator →