#1A3997#1A3997

#1A3997 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.158 H 265.4°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#1A3997
RGB	rgb(26, 57, 151)
HSL	hsl(225, 71%, 35%)
HSV	hsv(225, 83%, 59%)
CMYK	cmyk(82.8%, 62.3%, 0%, 40.8%)
CIE-LAB	lab(27.79, 25.46, -54.52)
CIE-LCH	lch(27.79, 60.17, 295.03°)
OKLab	oklab(38.71% -0.0128 -0.1577)
OKLCH	oklch(38.71% 0.158 265.4)
XYZ	xyz(7.4731, 5.3793, 29.9166)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3997 #97781A

analogous

#1A7897 #1A3997 #3A1A97

triadic

#1A3997 #971A39 #39971A

tetradic

#1A3997 #971A78 #97781A #1A973A

square

#1A3997 #971A78 #97781A #1A973A

split-complementary

#1A3997 #973A1A #78971A

monochromatic

#08122F #112563 #1A3997 #234DCB #4B70E0

Accessibility & contrast

On white

10.12

#1A3997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1A3997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3997

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3997	#FFFFFF	#000000	##FFFFFF
##1A3997	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#003C95

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a3997;
/* rgb */ color: rgb(26, 57, 151);
/* oklch */ color: oklch(38.7% 0.158 265.4);

Tailwind

colors: {
  custom: {
    50: '#6e6fb6',
    500: '#1a3997',
    950: '#000000',
  },
}

SCSS

$custom: #1a3997;
$custom-light: #6e6fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3997",
  "rgb": {
    "r": 26,
    "g": 57,
    "b": 151
  },
  "hsl": {
    "h": 225.12,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38706,
    "c": 0.15826,
    "h": 265.4
  },
  "luminance": 0.0538
}

Semantic roles & 50–950 ramp

primary

#1A3997

secondary

#C2A44B

accent

#C13AED

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3997

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

Preview Lab → · Contrast checker → · Palette generator →