#1A3CA0#1A3CA0

#1A3CA0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.167 H 265.0°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#1A3CA0
RGB	rgb(26, 60, 160)
HSL	hsl(225, 72%, 36%)
HSV	hsv(225, 84%, 63%)
CMYK	cmyk(83.8%, 62.5%, 0%, 37.3%)
CIE-LAB	lab(29.38, 26.96, -57.39)
CIE-LCH	lch(29.38, 63.41, 295.16°)
OKLab	oklab(40.14% -0.0144 -0.1661)
OKLCH	oklch(40.14% 0.167 265)
XYZ	xyz(8.3848, 5.9884, 33.9648)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3CA0 #A07E1A

analogous

#1A7FA0 #1A3CA0 #3B1AA0

triadic

#1A3CA0 #A01A3C #3CA01A

tetradic

#1A3CA0 #A01A7F #A07E1A #1AA03B

square

#1A3CA0 #A01A7F #A07E1A #1AA03B

split-complementary

#1A3CA0 #A03B1A #7FA01A

monochromatic

#091537 #11286B #1A3CA0 #2350D5 #5276E3

Accessibility & contrast

On white

9.56

#1A3CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1A3CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3CA0

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3CA0	#FFFFFF	#000000	##FFFFFF
##1A3CA0	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a3ca0;
/* rgb */ color: rgb(26, 60, 160);
/* oklch */ color: oklch(40.1% 0.167 265.0);

Tailwind

colors: {
  custom: {
    50: '#7071bd',
    500: '#1a3ca0',
    950: '#000000',
  },
}

SCSS

$custom: #1a3ca0;
$custom-light: #7071bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3ca0",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 160
  },
  "hsl": {
    "h": 224.776,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40137,
    "c": 0.16674,
    "h": 265
  },
  "luminance": 0.05989
}

Semantic roles & 50–950 ramp

primary

#1A3CA0

secondary

#C5A850

accent

#C139EF

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A3CA0

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

Preview Lab → · Contrast checker → · Palette generator →