#1A3497#1A3497

#1A3497 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.164 H 266.5°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#1A3497
RGB	rgb(26, 52, 151)
HSL	hsl(228, 71%, 35%)
HSV	hsv(228, 83%, 59%)
CMYK	cmyk(82.8%, 65.6%, 0%, 40.8%)
CIE-LAB	lab(26.47, 28.85, -56.68)
CIE-LCH	lch(26.47, 63.60, 296.98°)
OKLab	oklab(37.73% -0.01 -0.1641)
OKLCH	oklch(37.73% 0.164 266.5)
XYZ	xyz(7.2379, 4.9091, 29.8382)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3497 #977D1A

analogous

#1A7397 #1A3497 #3F1A97

triadic

#1A3497 #971A34 #34971A

tetradic

#1A3497 #971A73 #977D1A #1A973F

square

#1A3497 #971A73 #977D1A #1A973F

split-complementary

#1A3497 #973F1A #73971A

monochromatic

#08102F #112263 #1A3497 #2346CB #4B6AE0

Accessibility & contrast

On white

10.60

#1A3497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1A3497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3497

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3497	#FFFFFF	#000000	##FFFFFF
##1A3497	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459A

Deuteranopia (green-blind)

#003995

Tritanopia (blue-blind)

#004E60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a3497;
/* rgb */ color: rgb(26, 52, 151);
/* oklch */ color: oklch(37.7% 0.164 266.5);

Tailwind

colors: {
  custom: {
    50: '#6e6bb7',
    500: '#1a3497',
    950: '#000000',
  },
}

SCSS

$custom: #1a3497;
$custom-light: #6e6bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3497",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 151
  },
  "hsl": {
    "h": 227.52,
    "s": 70.621,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37733,
    "c": 0.1644,
    "h": 266.5
  },
  "luminance": 0.0491
}

Semantic roles & 50–950 ramp

primary

#1A3497

secondary

#C2A94B

accent

#C83AED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1A3497

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

Preview Lab → · Contrast checker → · Palette generator →