#1A3C9D#1A3C9D

#1A3C9D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.163 H 264.9°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C9D
RGB	rgb(26, 60, 157)
HSL	hsl(224, 72%, 36%)
HSV	hsv(224, 83%, 62%)
CMYK	cmyk(83.4%, 61.8%, 0%, 38.4%)
CIE-LAB	lab(29.12, 25.78, -56.00)
CIE-LCH	lch(29.12, 61.65, 294.72°)
OKLab	oklab(39.86% -0.0145 -0.162)
OKLCH	oklch(39.86% 0.163 264.9)
XYZ	xyz(8.1255, 5.8847, 32.5994)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C9D #9D7B1A

analogous

#1A7D9D #1A3C9D #391A9D

triadic

#1A3C9D #9D1A3C #3C9D1A

tetradic

#1A3C9D #9D1A7D #9D7B1A #1A9D39

square

#1A3C9D #9D1A7D #9D7B1A #1A9D39

split-complementary

#1A3C9D #9D391A #7D9D1A

monochromatic

#091434 #112868 #1A3C9D #2350D2 #4F75E2

Accessibility & contrast

On white

9.65

#1A3C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1A3C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C9D

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C9D	#FFFFFF	#000000	##FFFFFF
##1A3C9D	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a3c9d;
/* rgb */ color: rgb(26, 60, 157);
/* oklch */ color: oklch(39.9% 0.163 264.9);

Tailwind

colors: {
  custom: {
    50: '#6f71bb',
    500: '#1a3c9d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c9d;
$custom-light: #6f71bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c9d",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 157
  },
  "hsl": {
    "h": 224.427,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39859,
    "c": 0.16269,
    "h": 264.9
  },
  "luminance": 0.05886
}

Semantic roles & 50–950 ramp

primary

#1A3C9D

secondary

#C4A64E

accent

#BF39EE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A3C9D

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

Preview Lab → · Contrast checker → · Palette generator →